... B16.9,,DIN 2605,JIS ,GB/T12459,GB/T134015) Material: stainless steel (304, 304L, 316, 316L, 321, 321H, 310S, 347H)6) Our ... are corrosion and high-temperature resistant7) Applications range: for use in the petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation ...