无缝钢管

Seamless steel pipe has outstanding homogeneity in the circumferential direction and is thus highly resistant to internal pressure and torsion. Taking advantage of this feature, its widely used for transmission of petroleum, natural gas, drilling, pumping and other fluids. Products include over a hundred specifications for the various applications in regular, pressure, submarine, low-temperature, high-temperature corrosion-resistant and other pipelines. Standard for production,Grade & applications Standard Grade Application API 5L PSL1 A,B,X42,X52,X56,X60,X65,X70,X80 Transmission of petroleum and natural gas ASTM A53/ASTM SA53 ASTM A106/ASTM SA106 A,B, A,B,C Transmission of low pressure water,coal gas,air,oil and steam Triple Standards API 5L/ASTM A53/ASTM A106 B Transmission of low pressure water,coal gas,air,oil and steam DIN1629 ST37.0,ST44.0,ST52.0 Regular line pipe