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以下の管材の材質にはどんな違いがありますか?

2016-09-01View Original

Thread Content

L245、L245NB、L245NCS、L290、L290NB、L360、L360NB、L360QB、L415、L415NB、L415QB、X42、X46、X52、X56、X60、X65、20g、20#
Reply #22016-09-12
まず、私が知っていることを説明しましょう。20gとはボイラー用の炭素鋼製パイプを指し、主にボイラーの主給水配管、省煤器の蛇行管、水冷壁管、そして低温過熱器の蛇行管などに使用されます。一方、20#鋼管とは普通の低炭素鋼製パイプです。
Reply #32016-09-12
L245、L245NB、L245NCS、L290、L290NB、L360、L360NB、L360QB、L415、L415NB、L415QBはGB/T9711を見ればわかります;
Reply #42019-11-30
これらの材質は大きく異なり、炭素鋼、合金、そしてパイプライン鋼があります

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