China National Standards

China Wide heavy steel GB Standards List

  •  China "Wide heavy steel" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 37599-2019 Wide and heavy steel plate for sour service petroleum and natural gas pipe lines
    石油天然气输送管用抗酸性宽厚钢板    		 China National Standards
    Wide heavy steel
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