Super Duplex Hex Nuts and Bolts Specifications
ASTM A276 UNS 32760, ASTM A479/A479M UNS 32750 , ASTM A479/A479M UNS 32760
Chemical Composition:
Grade |
Carbon |
Mn |
Ph |
S |
Si |
Cr |
Ni |
N |
Mo |
Cu |
W |
S32750 |
0.030 |
1.20 |
0.035 |
0.020 |
0.80 |
24.00-26.00 |
6.00-8.00 |
0.24-.032 |
3.00-5.00 |
0.50 |
|
S32760 |
0.030 |
1.00 |
0.030 |
0.010 |
1.00 |
24.00-26.00 |
6.00-8.00 |
0.20-0.30 |
3.00-4.00 |
0.50-1.00 |
0.50-0.10 |
Mechanical Properties:
ASTM |
UNS |
Type |
Condition |
Tensile Strength ksi[MPa] |
Yield Strength ksi[MPa] |
Elongation % |
Reduction Area % |
BrinnelHardness BHN |
A276 |
UNS 32760 |
A |
A- Hot finished or cold-finished |
109[750] |
80[550] |
25 |
– |
290 BHN |
A276 |
UNS 32760 |
S |
S- cold-finished |
125 [860] |
105 [720] |
16 |
– |
335 BHN |
A479 |
UNS 32750 |
2″ & under |
Annealed |
116 [800] |
80[550] |
15 |
– |
310 BHN |
A479 |
UNS 32750 |
Over 2″ |
Annealed |
110[760] |
75[515] |
15 |
– |
310 BHN |
A479 |
UNS 32760 |
Annealed |
109{750] |
80[550] |
25 |
– |
300 BHN |
# ASTM A276: Standard Specification for Stainless Steel Bars and Shapes1
# ASTM A479/A479M: Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels1
AF Aanuraj Threaded Nuts and Bolts in Super Duplex alloy stainless steel are designed to feature high strength, resistance to pitting, stress corrosion cracking, erosion corrosion and corrosion fatigue, crevice corrosion and strong weldability.
SUPER DUPLEX FASTENERS APPLICATIONS
AF Aanuraj Threaded Nuts and Bolts in Super Duplex alloy stainless steel are used in Oil and gas industry equipment, Offshore platforms, heat exchangers, process and service water systems, fire-fighting systems, injection and ballast water systems, Chemical Plants & Equipmenst,Chemical process industries, heat exchangers, vessels, and piping, Desalination plants, high pressure RO plants 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.