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Jan 14, 2026What is the hardness of S890Q steel?S890Q steel, a high-strength quenched and tempered structural steel, doesn't have a single hardness number but rather a range, typically around 290-380 HBW (Brinell), though specif -
Jan 14, 2026What are the typical application fields of S890Q ?S890Q, a high-strength, weldable fine-grained steel, is used in demanding applications requiring high load capacity and toughness, primarily in heavy industry, vehicle manufacturin -
Jan 14, 2026What temperature is S890Q ?S890Q is a high-strength quenched and tempered steel with a minimum yield strength of 890 MPa, used in high-stress applications, and specified to perform with a minimum impact ener -
Jan 14, 2026What is S690QL1 equivalent to？S690QL1 (EN 10025-6) is a high-strength, quenched & tempered structural steel, with close equivalents including German EStE690V (1.8988), proprietary grades like Weldox 700, and si -
Jan 14, 2026What are common testing requirements for S690QL1?Common testing for S690QL1 (a high-strength quenched & tempered steel) focuses on tensile strength, ensuring ≥690 MPa yield, and crucial impact toughness at -60°C, guaranteeing 30 -
Jan 14, 2026What is S690QL1 material?S690QL1 is a high-strength, fine-grained structural steel (EN 10025-6 standard) that's quenched and tempered for demanding applications, offering a minimum yield strength of 690 MP -
Jan 14, 2026What are the primary advantages of S690QL material?S690QL's primary advantages are its exceptional strength-to-weight ratio, enabling lighter, more efficient designs with thinner sections, coupled with excellent toughness (even at -
Jan 14, 2026Is S690QL steel hard to drill?Yes, S690QL steel is hard to drill because it's a high-strength, quenched & tempered (Q+T) steel, requiring specialized, tough drill bits (cobalt/carbide) and proper techniques (sl -
Jan 14, 2026What is the S690QL standard?S690QL is a European standard, ultra-high-strength structural steel (EN 10025-6) known for its excellent strength-to-weight ratio, toughness, and weldability, achieved through quen -
Jan 14, 2026What does S690Q mean?S690Q is a designation for a high-strength structural steel (S) with a minimum yield strength of 690 Megapascals (MPa), supplied in a quenched and tempered (Q) condition, meeting E -
Jan 14, 2026What is the best way to cut S690Q?The best way to cut S690Q high-strength steel is via laser cutting for high precision or waterjet cutting to avoid a Heat-Affected Zone (HAZ) and preserve the steel's mechanical pr -
Jan 14, 2026What is the maximum allowable stress value for S690Q?S690Q is a high-strength steel with a guaranteed minimum yield strength of 690 MPa, and its maximum allowable stress depends on the specific design code, but it's typically derived
