What is the naming rule for seamless steel pipes? What does this model mean?

2018-01-22View Original

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SMLS-Φ530.0×10.0-A1: This is the appearance of the seamless steel pipes as listed in the comprehensive material sheet received today. What does the A1 at the end mean?

Reply #22018-01-22

A1 denotes seamless steel tubes made of grade 20 steel

Reply #32018-01-22

Material name Code Steel No. 20 (GB8163-87) A1 Steel No. 10 A2 Q235-A A3 Q235-AF A4 Steel 20 (20g) A5 Steel No. 35 A6 Steel No. 25 A7 Steel No. 20 (GB9948-88) A8 Galvanized Q235-A X1 15CrMo C1 35CrMo C3 25Cr2MoV C4 30CrMoA C5 0Cr18Ni9Ti K1 1Cr18Ni9Ti K2 0Cr13 K6 1Cr5Mo G1 Galvanized Steel No. 20 A9

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What is the naming rule for seamless steel pipes? What does this model mean?

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