TYPE: cap 1. MATERIAL 1)ASTM: CARBON STEEL: A234 WPB, STAINLESS STEEL: A403 WP304, A403 WP304L, A403 WP316, A403 WP316L, A403 WP321 ALLOY STEEL: A234 WP12, A234 WP11, A234 WP22, A234 WP5, A420 WPL6, A420 WPL3 DIN: CARBON STEEL: St37.0, St35.8, St45.8 STAINLESS STEEL: 1.4301, 1.4306, 1.4401, 1.4571 ALLOY STEEL: 1.7335, 1.7380, 1.0488(1.0566) JIS: CARBON STEEL: PG370, PT410 STAINLESS STEEL:SUS304, SUS304L, SUS316, SUS316L, SUS321 ALLOY STEEL: PA22, PA23, PA24, PA25, PL380 2)Standard: ASME JIS, DIN, GB/T12459 etc. 3)Nominal Wall Thickness: Sch5-Sch160, XS, XXS, STD 5)SIZE: form1/2" to 48" (seamless pipe fittings) from 26" to 72" (seam pipe fittings) 6) Special design available or according to the drawings.