Products / HIGH-STRENGTH PLATE

S690QL high-strength heavy plate

Quenched-and-tempered plate for weight-efficient heavy machinery, lifting equipment and welded structures.

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PRODUCT OVERVIEW

Specification-led supply.

High-strength plate sourcing requires control of the grade, delivery condition, impact requirement, flatness, weldability expectations and fabrication plan. We coordinate the RFQ with suitable Chinese mills and confirm the available technical and commercial route before quotation.

GRADES & STANDARDS

Core enquiry grades

GradeStandardTypical service
S690Q / S690QL / S690QL1EN 10025-6Quenched-and-tempered welded structural applications
S460Q / S460QLEN 10025-6High-strength machinery and heavy structural fabrication
ASTM A514ASTM A514 / A514MHigh-yield structural plate for welded construction

Final dimensions, heat treatment, impact temperature, testing and certification are confirmed against each RFQ and mill route.

APPLICATIONS

Where it is used

  • Mobile and crawler cranes
  • Lifting and material-handling equipment
  • Heavy construction machinery
  • Mining and energy equipment
  • Weight-critical welded structures

QUALITY OPTIONS

Documents and testing

  • Traceable MTC and delivery condition
  • Impact testing when specified
  • Ultrasonic testing options
  • Dimensional and surface inspection
  • Third-party inspection coordination

REQUEST FOR QUOTATION

Send a complete specification for faster review.

Include these details:

Standard & exact gradeThickness × width × lengthQuantityImpact temperatureUT / flatness requirementDestination port