Forming Type: Mandrel-Forming for stainless steel and alloy steel elbows (So it will not reduce the wall thickness); 
Hot Forming for Carbon Steel Elbows.

Size: Seamless Fittings 1/2"-20" (DN15-DN500),

Welded Fittings 1/2"-48" (DN15-DN1200)

Wall Thickness: SCH5S-SCH160

Standard: ANSI/ASME B16.9/16.28/36.10; DIN2605/2615/2616; JIS; EN; MSS SP-43 , DIN 2605,  JIS B2313 , GB/T12459, GB/T13401,SH3408, SH3409,HG/T21635 ,HG/T21631

Material: A234-WPB, A105, A106, 304,304L,316, 316L, P5, P11,etc. Stainless Steel, Carbon Steel, Low Alloy Steel, Alloy Steel