Super-duplex developed later to meet specific demands of the oil& gas as well as those of the chemical industries. This grade of stainless steel is also known as or Hyper duplex grades by Super Duplex Fasteners Manufacturer. Super duplex stainless steel grades are available in a variety of shapes, configurations & specifications like fasteners, bard, rods, etc. An advantage of super duplex stainless steel is its good ductility and weldability.
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Super Duplex Screws |
Labelled as Super duplex grade of stainless steels, these Super Duplex 2507 Bolts have a similar microstructure as duplex grade stainless steels. The term duplex indicates that this alloy has a mixed austenite and ferrite microstructure in an equal proportion. This two-phase microstructure in the 2507 Nuts guarantees higher resistance to stress corrosion cracking and pitting when compared with conventional stainless steel grades like the 300 series or nickel-based alloys etc. 2507 Stainless Steel Fixings are especially useful in industries like offshore oil and gas and applications in wells in the presence of either naturally high brine levels or brine has been injected to enhance recovery.
Since the processing of Super Duplex Stainless Steel Bolt is difficult, there are chances that the buyer may purchase those fasteners that have been manufactured using a faulty process. Those Super Duplex Nuts And Bolts who have been processed in this manner will yield poor results. Therefore it is important that buyers select reputed and authorised suppliers, dealers and Super Duplex Fasteners Manufacturer.
Together super duplex class of stainless steels indicates that the Super Duplex 2507 Fasteners are manufactured from a highly alloyed stainless steel that has good performance.In comparison to the 300 grade stainless steels, the UNS S32760 Fg Stud Bolts and super duplex screws offer outstanding resistance to acids, chlorine containing compounds and caustic solutions. In fact the high content of chromium, nickel and molybdenum improves its mechanical properties of the UNS S32760 Stud Bolts to a large extent . For example these three elements improve the pitting and intergranular corrosion resistance of the UNS S32760 Bolting. Further super duplex grade stainless steels have nitrogen added to their alloy. Using nitrogen in the alloy of the UNS S32750 Bolts promotes structural hardening, which in turn raises the tensile and the yield strength of the Saf 2507 Bolts without affecting the toughness property of the stainless steel.
Super Duplex Stainless Steel Fasteners type |
Super Duplex Stainless Steel Fasteners Price in India |
Super Duplex Stainless Steel Fasteners Price in USD |
Super Duplex Stainless Steel Fasteners Price Per Unit in UAE Dirham |
---|---|---|---|
Super Duplex Stainless Steel Bolt Price in India (SET M12X 25) |
INR 150/Unit |
USD $ 2.16 Per Unit |
AED 7.94 UAE Dirham |
Super Duplex Stainless Steel Screw Price in India (SET M12X 25) |
INR 200/Unit |
USD $ 2.88/Unit |
AED 10.59 UAE Dirham |
Super Duplex Stainless Steel Hex Nut Price with Stud Bolt (M16 X 150MM) |
INR 620/Unit |
USD $ 8.94/Unit |
AED 32.82 UAE Dirham |
Super Duplex Stainless Steel Lock Washer and Super Duplex Spring Washer Price (16X32 type m) |
INR 410/Unit |
USD $ 5.91/Unit |
AED 21.70 UAE Dirham |
DIN 125 Plain Washer & Super Duplex Flat Washer Price Per Kg (DIN 125, M16, P- 243000) |
INR 210 Per Kg |
USD $ 3.03 Per Kg |
AED 11.12 / KG UAE Dirham |
Super Duplex Stainless Steel Stud Bolt Price with Hex Nut (Full Thread Stud +2 Hex Nuts + 2 Plain Washers M16 X 150 mm long) |
INR 590/Unit |
USD $ 8.50/Unit |
AED 31.23 UAE Dirham |
Super Duplex 2507 Bolt Price in India (SET M12X 25) |
INR 150/Unit |
USD $ 2.16 Per Unit |
AED 7.94 UAE Dirham |
Super Duplex 2507 Screw Price in India (SET M12X 25) |
INR 200/Unit |
USD $ 2.88/Unit |
AED 10.59 UAE Dirham |
Super Duplex 2507 Hex Nut Price with Stud Bolt (M16 X 150MM) |
INR 620/Unit |
USD $ 8.94/Unit |
AED 32.82 UAE Dirham |
Super Duplex 2507 Lock Washer and Duplex 2507 Stainless Steel Spring Washer Price (16X32 type m) |
INR 410/Unit |
USD $ 5.91/Unit |
AED 21.70 UAE Dirham |
DIN 125 Plain Washer & Duplex 2507 Stainless Steel Flat Washer Price Per Kg (DIN 125, M16, P- 243000) |
INR 210 Per Kg |
USD $ 3.03 Per Kg |
AED 11.12 / KG UAE Dirham |
Super Duplex 2507 Stud Bolt Price with Hex Nut (Full Thread Stud +2 Hex Nuts + 2 Plain Washers M16 X 150 mm long) |
INR 590/Unit |
USD $ 8.50/Unit |
AED 31.23 UAE Dirham |
Specifications of Super Duplex 2507 Fasteners | ASTM / ASME F53, A479 / SA479 |
Standard of Super Duplex 2507 Fasteners | DIN, ASTM, BS and all International Standards |
Length of Super Duplex 2507 Fasteners | 3 mm to 200 mm |
Super Duplex 2507 Nuts Size | M3 - M56 | 3/6" to 2" | Custom Sizes |
Super Duplex 2507 Bolt / Screw Size | M3 - M56 | 3/6" to 2" | Custom Sizes |
Super Duplex 2507 Machine Screws Size | M1.6 - M12 |
Super Duplex 2507 Washers Size | M3 - M56 | 3/6" to 2" | Custom Sizes |
Super Duplex Steel Grades | Super Duplex Steel UNS S32750 |
Super Duplex 2507 Fasteners Type | Socket Head Cap Screw, Wing Screw, T-Head Bolts, Foundation Bolts,Screw, Studs, Socket Screw, Hex Set Screw, Cap Screw, Machine Screw, Wing Screw, Spring Washers, Eye Bolt,Structural Bolts, Bolts, Nuts, Sockets, Screws, Allen Cap screw, Washers, Studs, Marine Anchors, Anchors, Hexagon Nut,U- Bolts, Anchor Bolt, Nut, Hex Coupling Nut, Hex Nut, Square Nut, Hex Domed Cap Nuts, Hex Head Bolts, Stud Bolts, Socket Hexagon Head Screw, Pan Head Screw, Mushroom Head Square Neck Bolts, J Bolts |
As the alloy offers high resistance to marine corrosion, the Application of the Super Duplex Hex Bolt includes deep water offshore oil production , gas & marine industries While the Super Duplex Bolts offer a superior corrosion resistance and increased yield strength as compared to other standard austentic stainless steel grades, these Super Duplex Stud Bolts are more difficult to process. The difficulty in processing the Super Duplex Bolts And Nuts is because their alloy contains higher amounts of Chromium ,Nickel, Molybdenum, Nitrogen and Tungsten. These alloying elements promote the formation of intermetallic phases. The formation of intermetallic phases not only drastically reduces the impact resistance, but also significantly affects the corrosion resistance of duplex grade stainless steel.
The high yield strength along with the enhanced corrosion resistance of the 2507 Bolts is the reason for the alloy being the first choice in applications involving extreme environmental conditions, or industries like pulp and paper industries petrochemical, oil & gas.
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Other Types Of Super Duplex Steel 2507 Fasteners
Super Duplex 2507 Fasteners |
UNS S32750 Fasteners |
Super Duplex 2507 Bolts |
Allot UNS S32750 Stud Bolt |
Super Duplex 2507 Washers Exporter |
2507 Super Duplex Stud Bolt |
ASTM A479 Socket Cap Screw |
Super Duplex DIN 1.4410 Bolts Manufacturer |
2507 Super Duplex Coupler Nuts Wholesaler |
DIN 1.4410 Spring Washer Stockist |
Super Duplex UNS S32750 Double Ended Stud |
Super Duplex 2507 Tie Bar Exporter |
F53 2507 Flat Washer |
Alloy 2507 Countersunk Slotted Screw |
Super Duplex 2507 Nuts and Bolts |
UNS S32750 Bolts Supplier |
Super Duplex 2507 Lock Nut Dealer |
UNS S32750 Coupler Nuts |
Super Duplex EN 1.4410 Square Bolts Supplier |
Super Duplex 2507 Punched Washer Distributor |
Super Duplex 2507 Studbolt |
Duplex 2507 Round Head Bolts |
Super Duplex 2507 Double Ended Stud |
2507 Self Locking Nuts Manufacturer |
Element |
Content (%) |
---|---|
Chromium, Cr |
24 – 26 |
Nickel, Ni |
6 – 8 |
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 |
Phosphorous, P |
0.035 max |
Carbon, C |
0.030 max |
Sulfur, S |
0.020 max |
Iron, Fe |
Balance |
Alloy |
Common Name |
Related Specification |
||
---|---|---|---|---|
European |
UNS |
ASTM/ASME |
||
Alloy 2507 |
SAF 2507 ® |
1.4410 |
UNS S32750 |
A479 / SA479 / F53 |
Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) |
Hardness Rockwell C (HR C) |
---|---|---|---|---|
UNS-S 32750 |
795 |
550 |
15 |
32max |
Properties |
Metric |
Imperial |
---|---|---|
Density |
7.8 g/cm3 |
0.281 lb/in3 |
Melting point |
1350°C |
2460°F |