Specification :

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, in forming mandril
Wall thickness: SCH5S-SCH160
Size: seamless DN15-DN600 ( 1 / 2 " -24" ) are sewing DN15-DN1200 ( 1 / 2 " -20" )
Material: 304, 304 L, 316, 316 L, 321, 20 #
Standard: GB / T 12459, GB/ T13401, SH3409, HG/ T21635, HG/ T21631
ASME B16.9, MSS SP-43, DIN2605, JISB2313