China National Standards

China steel—Billet GB Standards List

  •  China "steel—Billet" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 40304-2021 Determination of content of nonmetallic inclusions in steel—Billet full section method
    钢中非金属夹杂物含量的测定 钢坯全截面法    		 China National Standards
    steel—Billet
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