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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 31941-2015 |
Non-nuclear safety class Welded carbon steel and alloy steel pipes for nuclear power plant 核电站用非核安全级碳钢及合金钢焊接钢管 |
China National Standards Welded carbon steel |
 English PDF |
| GB/T 28413-2012 |
Welded carbon steel tubes for boilers and heat exchangers 锅炉和热交换器用焊接钢管 |
China National Standards Welded carbon steel |
English PDF |
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