Material

Application

Straight Seam Welded Pipe

Welded Steel Pipe for Transmission of Low Pressure Fluid

Q195，Q215，Q235

Transmission of Low Pressure Fluid Such as Water, Coal Gas, Air, Oil, and Vapor For Heating

GB/T3091-2001,GB/T13793

Q195，Q215，Q235

Transmission of Low Pressure Fluid Such as Water, Coal Gas, Air, Oil, and Vapor For Heating

ASTMA53 GR.A OR GR.B

Q195，Q215，Q235

Transmission of Low Pressure Fluid Such as Water, Coal Gas, Air, Oil, and Vapor for Heating

BS1387 light series/ISO 65 light series 2 BS21

Q195，Q215，Q235

Transmission of Low Pressure Fluid Such as Water, Coal Gas, Air, Oil, and Vapor for Heating

BS1387 medium series/ISO 65 BS21

Q195，Q215，Q235

Transmission of Low Pressure Fluid Such as Water, Coal Gas, Air, Oil, and Vapor for Heating

DIN2440/2444

Structural Welded Steel Pipe

Q195，Q215，Q235

Scaffold

EN39

Q345

Building

EN39

Helical Seam Welded Steel Pipe

Helically Submerged-arc Welded Steel Pipe for Transmission of Low Pressure Fluid

Q195，Q215，Q235

Steel Pipe for Transmission of Low Prssure Fluid, Such as Water, Waste Water, Air, Vapor for Heating, Inflammable Fluid, and Other Fluid With Similar Purpose

SY/T5037

Steel Pipe for Industrial Transmission of Curde Oil and Natural Gas

L175-L483

Black Iron and Alloy( Not Including Stainless Steel) Welded Steel Pipe for Transimission of Inflammable Fluid and Non-inflammable Fluid(Including Water) In Petroleum and Natural Gas Industry

GB/T9711.1-1997 API-5L

Steel Pipe for Pipe Line