Description
STEEL PLATE & SHEET / HIMOUNT
Low Alloy High Strength Structural Steel Plate
Low-alloy high-strength structural plate for heavy structures and machinery fabrication. Confirm strength level, impact test, weldability, plate thickness, and UT requirement.
Product codeHM-PLATE-007
Product familySteel plate and sheet
ProcessHot rolled plate / normalized or controlled rolled condition by order
Grade referenceA572 Grade 50/60/65, S355/S420/S460, Q355/Q420 or buyer-specified grade
Product Categories
RFQ Checklist
- Standard and grade
- Thickness / diameter
- Width and length
- Coating or surface
- Delivery condition
- Certificate level
- Destination port
Manufacturing & Service
Product Overview
Low-alloy high-strength structural plate for heavy structures and machinery fabrication. Confirm strength level, impact test, weldability, plate thickness, and UT requirement.
Key Specifications
| Product family | Steel plate and sheet |
|---|---|
| Primary standard / project reference | ASTM A572 / EN 10025 / GB/T structural grade by order |
| Grade / material reference | A572 Grade 50/60/65, S355/S420/S460, Q355/Q420 or buyer-specified grade |
| Manufacturing route | Hot rolled plate / normalized or controlled rolled condition by order |
| Supply range | Thickness, width, length, grade, delivery condition, impact test, ultrasonic test, surface, and certificate level by buyer specification. |
| Order details to confirm | Standard, grade, thickness or diameter, width/length or coil weight, delivery condition, coating/surface, quantity, packing, certificate level, and destination port. |
International Model Search Index
Common international standard, grade, size and RFQ phrases buyers use when searching or preparing a steel enquiry.
Standards and grade calls
A572 Grade 50A572 Grade 65A633A514S355S420S460S690QLQ355Q420
Size and order phrases
HSLA platequenched and tempered plateheavy equipment steel platehigh-strength structural plate
Buyer search phrases
S690QL high strength steel plateA514 steel plate supplierQ460 low alloy steel plate
Index terms are for RFQ routing and search visibility. Final supply must follow the ordered standard edition, project specification, drawing, MTC and inspection plan.
Common International Models And Size Keywords
| Common standards | ASTM A572, ASTM A633, ASTM A514, EN 10025-3/4/6, JIS G3106, GB/T 1591 |
|---|---|
| Common grade families | A572 Gr.50/60/65, A514, S355, S420, S460, S690QL, SM490, Q355, Q420, Q460 |
| Common size keywords | Thickness, width, length, cut size, delivery condition, surface, tolerance and MTC; HSLA plate; heavy equipment plate; high-strength plate |
| RFQ confirmation | Strength grade, delivery condition, impact test, weldability, bending requirement, UT and drawing |
These common model, grade and size keywords are included to help international buyers route RFQs. They are not automatic equivalents; final supply follows the ordered standard, project specification, MTC and inspection plan.
Common RFQ Model Search Keywords
| Grade model examples | A572 Grade 50, A572 Grade 65, A633, A514, S355, S420, S460, S690QL, Q355, Q420, Q460, Q550 |
|---|---|
| Size / order examples | HSLA plate, quenched and tempered plate, heavy equipment steel plate, high-strength structural plate |
| Buyer search phrases | S690QL high strength steel plate; A514 steel plate supplier; Q460 low alloy steel plate |
These buyer-style keyword examples are for inquiry matching and Google indexing. They should be confirmed against the buyer drawing, ordered standard edition, project specification and MTC before quotation.
International Standard Reference
| Reference | Buyer-facing use |
|---|---|
| ASTM A572/A572M | HSLA structural steel plate reference. |
| EN 10025 S-grades | European structural grade reference. |
| Project drawings | Control final strength, toughness, and inspection requirements. |
Common Export Specification Examples
| Standard family | Common grade / model | Typical export wording | Search phrase examples |
|---|---|---|---|
| ASTM HSLA / Q&T | A572 Gr.50/60/65, A633, A514 | Heavy equipment plate; cut-to-size; impact and bend test by drawing | A572 Grade 50 steel plate, A514 high strength plate |
| EN high-strength plate | S355, S420, S460, S690QL | Normalized, TMCP or quenched-and-tempered plate; weldability confirmed by project | S690QL steel plate supplier, S460 structural plate |
| GB / JIS project grades | Q355, Q420, Q460, Q550, SM490 | Machinery frame, boom, chassis or heavy fabrication plate | Q460 low alloy steel plate, Q550 high strength plate |
These examples are practical RFQ and search terms used by international buyers. Final quotation should follow the ordered standard edition, project drawing, mill test certificate and inspection plan.
Comparable International References
| Reference family | How buyers use it | Quotation note |
|---|---|---|
| ASTM A572/A572M / A633 family | High-strength low-alloy structural plate references for welded structures and heavy fabrication. | Confirm grade, thickness, Charpy impact, and weldability requirements. |
| EN 10025 S355/S420/S460 / EN 10025-6 | European normalized, thermomechanical, or quenched-and-tempered structural plate family. | Subgrade and delivery condition must be specified. |
| JIS G3106 / GB-T project grades | Regional structural and machinery plate comparison references. | Use buyer drawing and project code as controlling documents. |
International grade references are for procurement comparison and inquiry routing only. Final compliance follows buyer specification, ordered standard edition, mill certificate, and inspection plan.
Applications
- Bulk steel raw-material supply
- Steel structure and fabrication projects
- Machinery, energy, infrastructure, and downstream processing
- Stock, cutting, coating, and export shipment programs
Testing And Documentation
- MTC to ordered standard
- Dimensional and surface inspection
- Chemical and mechanical test report
- Impact, bend, coating, or ultrasonic test when specified
- EN 10204 3.1/3.2 or third-party inspection when required
Packing And Delivery
Bulk steel materials can be supplied as plates, sheets, coils, bars, wire rod coils, bundles, pallets, export seaworthy packages, or project-specific loading units with heat number marking and document packs.
Inquiry Information
Please send product name, standard, grade, size, quantity, delivery condition, coating or surface requirement, packing, destination port, and required certificate or inspection scope.
