S355JR · EN 10025-2 Structural Steel Plate
S355JR Steel Plate Supplier
S355JR Steel Plate can be specified only when the exact designation, product form, thickness/size range, service conditions, supplementary tests, fabrication requirements, and material documentation are aligned. Do not present another grade as equivalent unless the governing requirements have been compared and verified.
Price on request · confirmed against the designation/edition and the mill certificate
Standards, grades & dimensions
Decision-grade evidence for the S355JR Steel Plate
Connect the designation, grade, dimensions, tolerances, service conditions, inspection and documentation to the buying decision. Every table states the applicability, buyer implication, evidence/source requirement and resulting RFQ field.
| Input | Typical basis (verify) | Buyer implication | Evidence / RFQ field |
|---|---|---|---|
| Designation | BS EN 10025-2 — hot-rolled non-alloy structural steel (delivery condition per the EN 10025-2 basis) | Names the exact standard and delivery condition; chemistry, mechanical and test minimums follow from it | Exact designation + standard edition |
| Grade | S355JR — structural steel with a 355 MPa minimum yield tier and a specified Charpy V-notch impact energy of 27 J at +20 °C (JR quality) — subject to the standard edition, product form, thickness, test orientation, specimen size, delivery condition and project requirements | The Charpy impact energy is a stated requirement of the grade, verified against the edition and project specification — not assumed from the grade name | Exact grade: EN 10025-2 S355JR |
| Product form | Plate and flat-rolled structural steel for fabrication | Fixes applicability to the plate form and its thickness / rolling basis | Product form: plate |
| Supplementary requirements | Any test group, restriction or project addendum named in the RFQ | Governing extras (e.g. test group, restricted residuals, thickness tolerance) are explicit, never assumed | Supplementary requirement set |
| Service condition | Structural / load-bearing service per the intended design code | Confirms the plate service matches the S355 yield / toughness envelope and any weldability intent | Service conditions + design code |
Designation, edition, grade and any supplementary requirement must be named and verified — never assumed from the grade name alone.
| Dimension / tolerance | Typical basis (verify) | Buyer implication | Evidence / RFQ field |
|---|---|---|---|
| Thickness | Plate range (declare exact; EN 10025-2 mechanical values are thickness-dependent and decline with thickness) | Sets mass, tolerance, mechanical response and availability for the plate | Nominal thickness + unit |
| Width / Length | Per declared blank or customer size | Determines cut plan, packing and the piece count | Width × Length or plate standard size |
| Tolerance basis | Thickness / flatness tolerance per declared standard and edition | Confirms the plate meets the cut and fit intent for structural fabrication | Tolerance basis + edition |
| Unit weight | From declared density × volume — verify against MTC | Confirms mass for transport and the quotation basis | Quantity in plates and tonnes |
Units, tolerance and mass basis must be stated and verified with the mill / gauge record — computed from density, never assumed.
| Property | Typical basis (verify) | Buyer implication | Evidence / RFQ field |
|---|---|---|---|
| Yield strength | S355JR: ≈ 355 MPa minimum for the thinner thickness band, decreasing with thickness — verify per edition | Confirms load-carrying capacity for the declared grade and thickness | Grade + thickness + test requirement |
| Tensile strength | S355JR: tensile band around 450–600 MPa tied to the yield tier — verify per edition | Confirms the structural ductility envelope for the plate | Grade + thickness + test record |
| Elongation | S355JR: elongation minimum per the declared thickness and edition | Confirms the plate can be welded and holds form in fabrication | Grade + thickness + elongation record |
| Impact / toughness | S355JR specifies a Charpy V-notch impact energy of 27 J at +20 °C (JR); J0 27 J at 0 °C; J2 27 J at −20 °C — all subject to the standard edition, product form, thickness, test orientation, specimen size, delivery condition and project requirements | Impact behaviour is buy-critical wherever restraint, notch toughness or lower service temperature matters — do not treat JR as suitable for lower service temperature from the grade name alone; require comparison against the governing project specification (e.g. J0 / J2 / K2) with exact edition and MTC verification | Chemistry + impact / test requirement |
Mechanical and chemical values depend on grade, thickness and test method — carry each into the RFQ for verification against the mill certificate.
Quality, testing & documentation
Evidence gates for the S355JR Steel Plate decision
What the buyer requests, what it verifies, when it is required, and what remains quotation-dependent — the document matrix is matched to the designation, edition and inspection route named in the RFQ.
- Chemistry, mechanical minimums and the non-alloy structural basis are held against the EN 10025-2 designation and S355JR — not assumed from a matching product name.
- The mill test certificate, heat / lot traceability and the test record tie the plate shipped to that certificate — traceability is part of the specification, and the Charpy impact record is added when a J0 / J2 or project impact requirement is in play.
- Dimensional, flatness, surface and edge checks, and any Charpy, mechanical or third-party test, are requested explicitly — never an unsupported certificate.
Document & inspection matrix
Product evidence
- Mill Test Certificate — chemistry and mechanical minimums against EN 10025-2 S355JR
- Heat / lot traceability to the shipped consignment
- Plate source record where relevant
Inspection records
- Dimensional, surface or edge inspection per the agreed route
- Mechanical (yield / tensile / elongation) test record where the grade and standard require it
- Charpy impact test record if a J0 / J2 or project impact requirement is requested
Destination documents
- Commercial invoice and packing list
- Origin / transport documents per the Incoterm
- Customs declaration inputs for the destination
Compliance Checker
S355JR Steel Plate compliance scope checker
Build a clean S355JR Steel Plate RFQ — every field below feeds the request the commercial coordinator receives. The checker returns Fit for technical review, Comparison needed, or Insufficient evidence, never equivalence from a grade name alone.
RFQ summary
Fit, alternatives & selection logic
Narrowing the S355JR Steel Plate specification
S355JR Steel Plate fits structural, bridge and heavy fabrication service where the S355 yield tier and weldability are the drivers and where the +20 °C Charpy V-notch impact energy (27 J, JR) satisfies the service temperature. When it does not, the closest registered alternatives are compared on chemistry, mechanical minimums, thickness dependency, tolerance basis, weldability and impact quality — reconciled to the governing project specification, never on the grade name alone.
Type and material
S355JR is a hot-rolled non-alloy structural steel plate under EN 10025-2. Confirm the exact form, grade and the structural / load-bearing service against the governing design code before the plate basis is fixed.
Grade and standard
The EN 10025-2 designation with grade S355JR fixes chemistry, mechanical minimums, thickness dependency and testing. The JR quality specifies a Charpy V-notch impact energy of 27 J at +20 °C, with J0 27 J at 0 °C and J2 27 J at −20 °C — so the exact designation, edition, quality (JR / J0 / J2 / K2) and any supplementary requirement, plus the intended service temperature, must all be named up front.
Dimensions and tolerances
Thickness, width, length and the tolerance basis fix the plate, its unit weight and its mechanical response. Keep the unit system coherent and cite the edition.
Surface, edge and processing
Mill finish, surface condition, any cutting or edge preparation, welding intent and the delivery condition (plate-rolled / cut-to-size) are project decisions confirmed against the governing standard before quotation.
Chemistry
What defines an S355JR Steel Plate
Composition is a purchasing input, not a slogan. The non-alloy structural balance and the grade's specified Charpy V-notch impact energy (27 J at +20 °C for JR, subject to edition and condition) are stated against the declared designation and verified against the mill certificate — never assumed from the grade name alone.
S355JR is a hot-rolled non-alloy structural steel: the controlled base composition (carbon, manganese, silicon, phosphorus, sulphur, nitrogen and limited copper) delivers the 355 MPa minimum yield tier through thickness and rolling, without deliberate alloy additions. The exact composition is verified against the mill certificate — never assumed from the grade name alone.
RFQ field: the chemistry requirement is written into the MTC / certificate request and verified against the plate actually shipped.
A structural plate must weld predictably and hold its mechanical minimums through fabrication. Because the JR quality specifies its impact energy at +20 °C, any requirement for notch toughness, restraint or lower service temperature shifts the decision toward the J0 / J2 / K2 qualities or another registered grade — the chemistry and impact basis is still the first field verified, against the declared edition and the governing project specification, before the plate is accepted into fabrication.
RFQ field: the chemistry requirement is written into the MTC / certificate request and verified against the plate actually shipped.
Equivalents
Comparing S355JR Steel Plate on evidence, not a name
A registered alternative is comparable only when the governing requirements have been compared and verified. No absolute product-superiority claim is made — each difference is a decision the buyer and coordinator reconcile to the structural service.
Another registered structural steel grade or standard is comparable only when its chemistry, mechanical minimums, thickness/tolerance basis, weldability and — where it matters — impact requirement match the intended structural service. Every difference is verified against the mill certificate and the governing project specification.
Buyer implication: place this into the RFQ as an explicit comparison basis before any substitution is accepted.
Do not present a different grade — including the S275JR sibling or the higher-toughness S355J0 / S355J2 qualities — as equivalent to S355JR from the name alone. The grade, edition, chemistry, minimum yield/tensile, thickness dependency, Charpy impact requirement, elongation and testing are the buyer's and the coordinator's to confirm against the load-bearing service before any substitution is accepted.
Buyer implication: place this into the RFQ as an explicit comparison basis before any substitution is accepted.
Registered alternative grades
When the specification changes — a lower yield tier or a Charpy impact requirement — compare the registered grade routes before you fix the order:
S275JR Steel Plate
273 MPa minimum yield tier; where the design allows a lower-strength structural grade under EN 10025-2.
Compare S275JR Steel PlateS355J2+N Steel Plate
S355 with a Charpy V-notch impact energy of 27 J at −20 °C — where notch toughness or lower service temperature is specified, compared to the governing project specification.
Compare S355J2+N Steel PlateMTC requirements
Mill Test Certificate & document evidence for S355JR Steel Plate
The MTC ties the chemistry and mechanical minimums to the plate actually shipped, with heat / lot traceability. Every document is requested against the declared designation and inspection route — never an unsupported certificate.
The MTC ties the chemistry and mechanical minimums to the plate actually shipped, with heat / lot traceability. For S355JR it is requested together with the test record (yield, tensile, elongation) against the declared EN 10025-2 basis — and with the Charpy impact record if a J0 / J2 or project impact requirement is in play — never an unsupported certificate.
RFQ field: state the MTC, heat / lot traceability, chemical and mechanical test record, dimensional/gauge record and the impact-quality requirement in the RFQ so the document set matches the plate shipped.
Dimensional, flatness, surface, edge, mechanical-test and any third-party or impact tests are requested explicitly, alongside the commercial, origin and transport documents for the destination. Every document is quotation-dependent and stated before acceptance.
RFQ field: state the MTC, heat / lot traceability, chemical and mechanical test record, dimensional/gauge record and the impact-quality requirement in the RFQ so the document set matches the plate shipped.
Advantages
How the S355JR Steel Plate decision gets safer
Five common failures trip up structural plate buys. Each is answered on this page and in the RFQ.
Risk
Wrong-grade substitution
The RFQ forces a named EN 10025-2 designation, edition and grade (S355JR, not S355J0 / J2 or S275) before any value is shown, matching the structural plate application.
Risk
Dimensional or tolerance ambiguity
Thickness, width, length and the tolerance basis are carried together under one stated unit system.
Risk
Undocumented testing, chemistry or MTC
Inspection, chemistry, mechanical-test, Charpy impact and traceability needs are explicit RFQ fields, requested against the declared basis before quotation.
Risk
Quotation gaps or hidden assumptions
Application, processing, destination, Incoterm and date are separate explicit fields, never buried in a price.
Risk
Unsupported stock or lead-time claims
Every stock, price, origin or delivery claim is either verified or left to the RFQ to confirm against the mill and destination process.
Journey
From an S355JR Steel Plate need to a documented consignment
Seven checkpoints carry the S355JR Steel Plate enquiry from a requirement to a confirmed, documented delivery — each with the responsible owner and the input the RFQ expects.
Requirement
Buyer
In: Designation, grade/edition, quality (JR/J0/J2), product form, thickness, width, length, quantity and service conditions.
Out: S355JR basis stated; route and material identified.
No designation, edition or impact quality named.
Next: Name the designation/edition and grade.
Destination & importer
Buyer + commercial
In: Destination, port or delivery location, importer/consignee details.
Out: Destination and clearance owner explicit.
Importer not confirmed.
Next: Add importer/consignee inputs.
Documents & Incoterm
Buyer + commercial
In: Invoice/origin/transport-document needs, Incoterm + named place.
Out: Document set and delivery terms stated.
Customs assumptions unstated.
Next: Confirm document checklist.
Quotation
Commercial
In: Quantity, Incoterm, destination, date.
Out: Availability and pricing on request.
Unknown lead time.
Next: Receive confirmed offer.
Inspection & documents
Technical / QA
In: Dimensional, surface, flatness, mechanical-test, chemistry and (if required) Charpy checks.
Out: Thickness, width, length and mass reconciled to the mill ticket and test record.
Missing gauge, impact or test report.
Next: Approve document set.
Packing & shipping
Supplier / forwarder
In: Strapping, marking, Incoterm, port.
Out: Coordinated to the destination.
Document delay.
Next: Track to delivery location.
Delivery & follow-up
Commercial
In: Site handover, closed-out docs.
Out: Handed to site with documents.
Open claims.
Next: Close out.
FAQ
S355JR Steel Plate questions
Straight answers to the questions procurement and QA teams ask most.
Which exact standard, grade, and supplementary requirements should be written into an RFQ for S355JR Steel Plate?
Which dimensions, tolerances, edge/processing conditions, and quantity details must be confirmed for S355JR Steel Plate?
Which inspection, test certificate, traceability, and document requirements should be stated before quotation?
When is a registered alternative technically comparable, and which differences must be verified before substitution?
Which destination, Incoterm, packing, and delivery-date inputs materially change the commercial offer?
Qualified RFQ
Request a quote for S355JR Steel Plate
Send standard, grade, size, quantity, destination and required delivery date. Review specifications, availability and request an RFQ. Price on request — availability and lead time confirmed with your quotation.
Response within one business day · Price on request
Applications
S355JR Steel Plate, mapped to structural service
Plate needs are classified by the operating service. The card set below is the taxonomy path, not the final decision — the exact grade, thickness, testing, documentation and impact-quality requirements are the buyer's and the coordinator's to reconcile to the project.
Structural fabrication
Structural and load-bearing service: confirm the grade, thickness dependency, testing and documentation discipline against the governing design code before the plate basis is fixed.
Explore Structural fabricationBridges
Bridge and heavy-girder service: reconcile thickness, tolerance, mechanical and — where restraint or low-temperature service matters — Charpy impact evidence to the governing project specification.
Explore BridgesBoiler & pressure support
Structural support around pressure service: check whether the operating conditions, temperature and failure risks change grade, testing, fabrication or documentation choices.
Explore Boiler & pressure supportGCC markets
Who we supply across the GCC
S355JR Steel Plate is delivered into contractor, fabricator and trader demand across the Gulf. Each market page is the product x country anchor for your structural plate import.
United Arab Emirates
Destination and import documentation.
Carry the S355JR Steel Plate spec, destination emirate and importer inputs into the RFQ so the quotation and document set match the UAE requirement for the declared structural plate.
United Arab Emirates
Saudi Arabia
Project specification and import documentation.
Confirm the EN 10025-2 designation, grade, dimensions, quantity and delivery window so the plate estimate and logistics stay aligned to the order and the governing project spec.
Saudi Arabia
Qatar
Specification and delivery inputs.
State the S355JR standard, grade, thickness, width, length, quantity, documents and delivery base so the Qatar quotation is fixed on a verified dimensional and testing basis.
Qatar
Oman
Port-oriented supply for industrial projects.
Oman projects are typically supplied through port destinations, harmonising the S355JR Steel Plate specification with the project's fabrication and inspection requirements.
Oman
Kuwait
Contractor procurement and fabrication hand-off.
Link plate selection and any cutting to the fabrication and inspection needs, with shipment agreed against the destination and delivery window.
Kuwait
Bahrain
Industrial supply and re-export coordination.
Coordinate material and testing documentation to the delivery requirement so the S355JR Steel Plate and its document set stay aligned.
BahrainLogistics & Incoterm
Shipping the S355JR Steel Plate to the destination
Packing, route and Incoterm are matched to the named destination and stated on the quotation — never hidden in a price.
Packing
Plates stacked, strapped and marked by size, grade, heat and lot, matched to the declared route and destination. Confirm packing in the RFQ.
Delivery route
Name the destination, port or delivery location. Delivery terms are matched to the route and stated on the quotation.
Incoterm & named place
State the Incoterm and named place so packing, transport and document obligations are explicit and auditable for the S355JR Steel Plate import.
References
Related taxonomy and technical paths
Watertight paths from the S355JR Steel Plate grade page to the registered plate parents and the EN 10025 taxonomy, keeping the structural material basis consistent across the specification.
EN steel grades
Compare the same material or process across the registered product forms under the EN 10025 standard, holding the grade and chemistry basis consistent across the specification.
Explore EN steel gradesRegistered plate routes
Parent and cluster paths that keep the plate specification intact while you compare the registered product forms.
Expert insight
Reading the EN 10025-2 structural steel plate standard
As a steel trading house we do not guarantee that a listed standard applies to every case — the EN 10025-2 designation, edition, grade and impact quality are reconciled to the structural / load-bearing application before an order. The working frame is the registered BS EN 10025-2 hot-rolled non-alloy structural steel reference.
What the standard governs
BS EN 10025-2 covers hot-rolled non-alloy structural steels in the S275 and S355 strength tiers, with S355JR the common structural plate grade. S355JR carries a 355 MPa minimum yield designation that falls with thickness. Under EN 10025-2 the JR suffix specifies a Charpy V-notch impact energy of 27 J at +20 °C (subject to the standard edition, product form, thickness, test orientation, specimen size, delivery condition and project requirements); J0 specifies 27 J at 0 °C and J2 27 J at −20 °C. Its chemistry, mechanical minimums, thickness dependency and test method follow from the grade and edition the RFQ names. Each grade needs the chemistry + mechanical evidence, heat / lot traceability and the test record held against the plate actually shipped. We do not describe S355JR as suitable for lower service temperature from the grade name alone — where the service temperature or impact toughness requirement is lower or more demanding, require comparison against the governing project specification (e.g. J0 / J2 / K2) with exact edition and MTC verification.
Never assume the edition, grade, impact quality or supplementary requirements apply from a matching name alone — the standard-plus-supplemental basis is the buyer's and the coordinator's to confirm against the structural / load-bearing application.
Expert perspective on S355JR Steel Plate procurement
- Name the designation, grade and impact quality. S355JR Steel Plate is only meaningful when the exact designation, edition, grade and impact quality (JR vs J0 / J2) are named up front.
- Bring the chemistry + mechanical evidence. Hold the mill ticket, heat / lot traceability, gauge and yield/tensile/elongation test record against the plate, adding the Charpy impact record when required.
- Plan the inspection route. Dimensional, flatness, surface, edge, Charpy and mechanical checks are explicit — documentation follows the plate, not the other way round.
- Keep the route explicit. Destination, Incoterm and packing are decisions stated on the quotation, not assumptions.