... other specifications according to customers' requirements. Seamless Fittings 1/2-20 (DN15-DN500), Welded Fittings 1/2-48 (DN15-DN1200)3) Wall ... B16.9,,DIN 2605,JIS ,GB/T12459,GB/T134015) Material: stainless steel (304, 304L, 316, 316L, 321, 321H, 310S, 347H)6) Our ... , boiler heat exchanger, and other fieldsPacking: As per customers' requests stainless steel elbow