Recently, the "production restriction order" in the steel industry has been further upgraded, and domestic steel mining enterprises under carbon neutrality requirements have started to limit or reduce production.

The typical production forms of seamless steel pipes in China mainly include continuous rolling mill, oblique rolling mill (including two roll Accu roll mill, three roll Assel mill) automatic rolling mill, etc;
The main execution standards for seamless steel pipes are as follows
Seamless steel pipes for structural purposes GB/T8162-1999
Seamless steel pipes for fluid transport GB/T8163-1999
Seamless steel pipes for low and medium pressure boilers GB3087-1 999
Hot rolled seamless steel pipes for hydraulic props GB/T1396-1998
Seamless steel pipes for gas cylinders GB/T18248-2000
Seamless carbon steel and carbon manganese steel pipes for ships GB/T5312-1 999
Seamless steel pipes for high-pressure fertilizer equipment GB6479-2000
Seamless steel pipes for automotive half axle sleeve pipes YB/T5235-1996
Seamless steel pipes for high-pressure boilers GB531 0-1995

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