现行

KS D 3568

일반 구조용 각형 강관
碳钢方管一般结构用

2018-12-27

现行

KS D 3568

일반 구조용 각형 강관
一般结构用碳素钢方管

2018-12-27

现行

KS D 3864

건축 구조용 각형 탄소 강관
冷轧碳钢方管建筑结构

2019-07-23

现行

KS D 3864

용접 구조용 냉간 각형 탄소 강관
焊接结构用冷轧碳钢方管

2022-07-25

现行

JIS G 3466-2021

Carbon steel square and rectangular tubes for general structure
一般结构用碳钢方管和矩形管

2021-01-01

现行

KS D 3566

일반 구조용 탄소 강관
一般结构用碳素钢管

2018-12-27

现行

KS D 3566

일반 구조용 탄소 강관
一般结构用碳钢管

2018-12-27

现行

KS D 3566(2023 Confirm)

일반 구조용 탄소 강관
一般结构用碳钢管

2018-12-27

现行

JIS G 3478-2021

Carbon steel tubes for general machine structural purposes
一般机械结构用碳钢管

2021-01-01

现行

SAE AMSW21425B

Wire, Steel, High Carbon, Square, Uncoated, for Mechanical Springs (General Purpose)
机械弹簧用高碳方形无涂层钢丝（通用）

2005-02-11

现行

ASTM A181/A181M-23

Standard Specification for Carbon Steel Forgings, for General-Purpose Piping
通用管道用碳钢锻件标准规范

2023-05-01

现行

MIL MIL-W-21425B

WIRE, STEEL, HIGH CARBON, SQUARE, UNCOATED, FOR MECHANICAL SPRINGS (GENERAL PURPOSE) (SUPERSEDING MIL-W-21425A)
机械弹簧（通用）用无涂层高碳方形钢丝（代替MIL-W-21425A）

1975-05-30

现行

MIL MIL-W-21425B Notice 1-Inactivation

WIRE, STEEL, HIGH CARBON, SQUARE, UNCOATED, FOR MECHANICAL SPRINGS (GENERAL PURPOSE) (SUPERSEDING MIL-W-21425A)
机械弹簧（通用）用方形无涂层高碳钢丝（代替MIL-W-21425A）

1997-06-16