Material:Carbon steel, stainless steel ,alloy steel

Standard:ASME B16.9/ MSS SP-75/JIS B2311, 2312/DIN 2605

Application ranges:Petroleum, power, gas, metallurgy, smelting, foodstuff, papermaking, chemical, medical equipment, aviation, boiler heat exchanger, and other fields.

Surface treatment:Black rust-proof oil,transparent oil,hot galvanizing or as customer's special requirement