ASTM A53 Grade A Welded and Seamless steel pipe uses cold rolling, hot / cold drawing, hot drawing process, ASTM A53 Grade A steel pipes have the surface of the black paint, anti-corrosion oil, galvanized or customer requirements.
EN10025-5 S235J0W/S235J2W steel specifies requirements for flat and long products of hot rolled steels with improved atmospheric corrosion resistance.EN10025-5 S235J0W/S235J2W steel work/steel structure/steel machining parts.
A204 GR.B is under ASTM standard and A204 GR.B steel is a Cr-Mo alloy steel which is particularly designed for boilers and pressure vessels. KUNFENG can offer A204 GR.B steel in most competitive price with assured quality.