China National Standards

China Welded high strength GB Standards List

  •  China "Welded high strength" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 40316-2021 Welded high strength shaped and round steel tubes for automobile structure
    汽车结构用高强度异型及圆形焊接钢管    		 China National Standards
    Welded high strength
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