ST52 Steel Pipe

Currently, ST52 high pressure boiler tube is equivalent to the corresponding domestic brands of 16Mn seamless steel pipe material or Q345B alloy steel pipe.

Helical welded pipes

These st52 tube, ST 52 Steel Tube, DIN 2391 ST 52 Tube are mainly used in the untreated or normalised condition.ST52 steel pipe has superb coldforming properties. ST52 steel tubes are used a lot in bridges, cranes, mobile equipment, buildings, chassis, booms, machinery parts, structural activities.

 The German standard grades  C  Si  Mn  P  S
 St35  ≤0.18  0.17-0.37  0.35-0.65  0.035   0.035
 St37.4(10#)  ≤0.18  0.17-0.37  0.35-0.65  0.035  0.035
 St45(20#)  ≤0.25  0.17-0.37  0.50-0.80  0.035  0.035
 St55(35#)  ≤0.22  ≤0.55  ≤1.50  0.035  0.035
 St52(16Mn)  ≤0.20  ≤0.55  ≤1.50  0.035  0.035


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