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S890QL Structural Steel

S890QL is an extra-high strength structural steel with a minimum yield strength of 890 MPa.

Min Yield Strength 890 MPa
High Tensile Strength
Good Weldability
Weight Reduction

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Product Overview

**What is S890QL? (Quick Answer):** S890QL is an ultra-high strength structural steel with a minimum yield strength of 890 MPa. It is used in weight-critical applications like crane booms and lifting equipment where maximum payload capacity is required.

S890QL takes high-strength structural engineering to the next level. *"Using 890 MPa steel in crane manufacturing allows for up to 40% weight reduction in boom sections, directly translating to increased lifting capacity and reach."* — Heavy Lifting Engineering Journal [1].

The production of S890QL involves precise alloying and heat treatment to achieve its ultra-high strength while maintaining acceptable levels of ductility and toughness (EN 10025-6 compliance) [2]. This ensures that the structure remains safe and reliable even under peak loads.

Convergence Steel provides S890QL plates with complete material traceability and can offer technical guidance on welding parameters (t8/5 cooling times) to ensure the integrity of your fabrication.

Typical Applications

Crane Booms
Aerial Platforms
Heavy Duty Trailers

Technical Specifications

Mechanical Properties

ThicknessYield Strength (MPa)Tensile Strength (MPa)Elongation
3-50mm890 Min940-110011% Min

Chemical Composition (Max %)

CSiMnPSCrNiMo
0.200.801.700.0200.0101.502.00.70

Frequently Asked Questions

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Quick Specs

  • GradeS890QL
  • Yield StrengthMin 890 MPa
  • ApplicationHeavy Lifting
  • ThicknessCustom

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Key Tags

S890QL PlatesUltra High Strength SteelYield Strength 890 MPaCrane Boom SteelSpecialty Structural Steel

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