철탑용 고장력강 강재
塔架结构用高抗拉强度钢

2016-12-05

철탑용 고장력강 강관
高拉伸强度钢管塔结构用

2018-12-27

철탑용 고장력강 강관
塔结构用高抗拉强度钢管

2018-12-27

High tensile strength steels for tower structure
塔架结构用高抗拉强度钢

2018-01-01

철탑 플랜지용 고장력강 단강품
高强度钢锻件法兰塔

1990-11-26

High tensile strength steel forgings for tower flanges
塔法兰用高抗拉强度钢锻件

1988-01-01

High tensile strength carbon steel castings and low alloy steel castings for structural purposes
结构用高抗拉强度碳钢铸件和低合金钢铸件

1991-01-01

Standard Specification for Steel Castings, High Strength, for Structural Purposes
结构用高强度钢铸件标准规范

2024-07-01

High-strength cast steels for general engineering and structural purposes
一般工程和结构用高强度铸钢

2023-11-09

Standard Specification for High Strength Structural Bolt Assemblies, Steel and Alloy Steel, Heat Treated, 144ksi Minimum Tensile Strength, Inch Dimensions
英制尺寸最小抗拉强度144ksi的热处理钢和合金钢高强度结构螺栓组件标准规范

2024-06-01

Standard Specification for High Strength Structural Bolts and Assemblies, Steel and Alloy Steel, Heat Treated, Inch Dimensions 120 ksi and 150 ksi Minimum Tensile Strength, and Metric Dimensions 830 MPa and 1040 MPa Minimum Tensile Strength
英制尺寸120ksi和150ksi最小抗拉强度和公制尺寸830MPa和1040MPa最小抗拉强度的热处理钢和合金钢高强度结构螺栓和组件的标准规范

2023-11-01