... 12Cr1MoVG,SA210,SA213 4.Manufacturer Product NameAlloy Seamless Steel Pipe For Boiler Outer diameter21.3-762mmWall thickness2.5-60mmStandardASME SA213, ... brief introduction Alloy tube with a hollow cross-section, for a large number of pipes conveying fluid, such as ... of structural parts and mechanical parts, such as drill pipe, automotive transmissionshafts, bicycle frames and construction used in steel ...