Molding process: Stainless steel, nickel and copper using cold, mandrel shape (which can minimize the elbow wall thinning problems); carbon steel and other thermal processing, within the mandrel forming.

 Size: seamless 1 / 2 "-20" (DN15-DN500), a slit 1 / 2 "-48" (DN15-DN1200)

 Standard: GB/T12459, GB/T13401, SH3408, SH3409, HG/T21635, HG/T21631, ASME B16.9, MSS SP-43, DIN 2605, JIS B2313

 Wall thickness: SCH5S-SCH160

 Material: stainless steel, nickel copper, carbon steel, low alloy steel, alloy steel