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API 5L X46 (L320) is a medium–high strength line pipe steel with a yield strength of 320 MPa. It is suitable for higher-pressure and long-distance transmi
API 5L X42 (L290) is a medium-strength line pipe steel widely used in oil and natural gas transmission projects with higher pressure requirements. With a yield
Grade B (L245) is one of the commonly used low–medium strength line pipe steel grades under the API 5L standard. It is designed to meet the needs of mediu
A573 Grade 70 is a high-strength structural steel often used in pressure-related components. It exhibits excellent toughness, uniform microstructure, and superi
A572 Grade 50 is a high-strength, low-alloy structural steel defined by ASTM A572. With a minimum yield strength of 345 MPa, it offers superior performance comp
SA36 belongs to the ASTM A36 family and is widely used as a general structural steel. It offers moderate strength, good toughness, and excellent weldability, ma
The steel grade 20# is widely used in engineering, construction, and machinery manufacturing. This designation reflects its mechanical characteristics, chemical
The steel grade Q345B is widely used in engineering, construction, and machinery manufacturing. This designation reflects its mechanical characteristics, chemic
The steel grade Q235B is widely used in engineering, construction, and machinery manufacturing. This designation reflects its mechanical characteristics, chemic
Q235B is a widely used Chinese carbon structural steel under GB/T standards. It is known for its excellent plasticity, good welding performance, and broad indus