"ss welded pipe"

SUS630 สแตนเลสแบบไม่มีรอยต่อหม้อไอน้ำท่อ / Erw หม้อไอน้ำท่อ 17 4PH Martensitic ฝนแข็งตัว

SUS630 Stainless Steel Seamless Boiler Tubes 17-4PH Tube Martensitic Precipitation Hardening 630 stainless steel pipe has been used for a variety of applications including oil field valve parts, chemical process equipment, aircraft fittings, fasteners, pump shafts, nuclear reactor components, gears, paper mill equipment, missile fittings, and jet engine parts. 630 shows excellent resistance to oxidation up to approximately 1100oF (539oC). 630 stainless steels are martensitic