... API approvedSpecifications Materialcarbon steel, stainless steel, alloy steelTechniquewelded, bending,forged,exturdConnectionweldingHead codebevel the endSize1/2'' to 72''/DN15-DN2000Angleselbows,bend ... ,BS,GBwe can also produce according to drawingSpecification standardsANSI B16.9, ANSI B16.28, JIS B2311, DIN 2605, 2615, 2616, ... can do that by your requirement. stainless steel 306L forged fittings