China ASTM A479 SUPER DUPLEX UNS S32750 STUD BOLTS MANUFACTURER
S32750 is the standard grade of super-duplex stainless steel based on 25% chromium, 7% nickel and significant additions of molybdenum, manganese and nitrogen
Super Duplex UNS S32750 is the most common super duplex grade in the market.
DIN 1.4410 X2CrNiMoN25-7-4 2507 Super Duplex Stainless Steel
UNS S32750 STUD BOLTS SPECIFICATIONS
Dimensions : DIN 975/976, ASME B18.2.1, B18.31.3, B16.5
Certification : Dual Certified As per ASTM & ASME Codes
Grade : UNS S32750 F53
Standard : ASTM A182, A479 / ASME SA182, SA479
2507/ uns s32750 stud bolts Applications
- Oil and Gas industry equipment
- Offshore platforms, heat exchangers, process and service water systems, fire-fighting systems, injection and ballast water systems
- Chemical process industries, heat exchangers, vessels, and piping
- Desalination plants, high pressure RO-plant and seawater piping
- Mechanical and structural components, high strength, corrosion-resistant parts
- Power industry FGD systems, utility and industrial scrubber systems, absorber towers, ducting, and piping
SUPER DUPLEX STEEL ALLOY S32750 STUD BOLTS CHEMICAL COMPOSITION
Element | Content (%) |
---|---|
Chromium, Cr | 24 – 26 |
Nickel, Ni | 6 – 8 |
Phosphorous, P | 0.035 max |
Carbon, C | 0.030 max |
Sulfur, S | 0.020 max |
Molybdenum, Mo | 3 – 5 |
Manganese, Mn | 1.20 max |
Silicon, Si | 0.80 max |
Copper, Cu | 0.50 max |
Nitrogen, N | 0.24 – 0.32 |
Iron, Fe | Balance |
SUPER DUPLEX STEEL UNS S32750 STUDBOLTS MECHANICAL PROPERTIES
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) |
---|---|---|---|---|
Alloy 32750 | 795 | 550 | 15 | 32max |
SUPER DUPLEX STEEL UNS S32750 STUD BOLT PHYSICAL PROPERTIES
Properties | Metric | Imperial |
---|---|---|
Density | 7.8 g/cm3 | 0.281 lb/in3 |
Melting point | 1350°C | 2460°F |
SUPER DUPLEX STEEL UNS S32750 STUDBOLT GRADE DESIGNATION
Alloy | Common Name | Related Specification | ||
---|---|---|---|---|
European | UNS | ASTM/ASME | ||
Alloy S32750 | SAF S32750 ® | 1.4410 | S32750 | F53 |