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Duplex Fasteners Manufacturer, Supplier, and Dealer in India
Sagar Steel Corporation is the leading Duplex Fasteners Manufacturer and Supplier in India. One of the popular products in the metal market is Duplex Fasteners, a product manufactured in Mumbai, India. We are an ISO 9001:2008 certified company with an existence in the metal market since 2003. ASTM A193 Duplex Steel Fasteners products are designed and developed per international and national quality standards. We offer the best possible prices for Super Duplex Anchor Fasteners to all our customers, with a large stock of standard sizes, materials, and types available for immediate delivery worldwide. In addition, our available qualitative range of Super Duplex Bolts is exclusively designed for several piping applications.
ASTM A193 Duplex Steel Fasteners, Duplex Steel Industrial Fasteners, Super Duplex Bolts, Duplex Steel Washers, Super Duplex Anchor Fasteners, Duplex Steel Nuts, Super Duplex Screws Supplier in India
Sagar Steel Corporation offers Duplex Fasteners manufactured under the strict supervision of professionals per national and international standards. We manufacture all of our ASTM A193 Duplex Steel Fasteners at our units using optimum grade materials and with the help of our best state technology. We design high-quality Round Duplex Fasteners, Rectangular Duplex Fasteners, Hollow Duplex Fasteners, and Square Duplex Fasteners of various wall thicknesses and diameters. We mostly use very high-quality raw materials for manufacturing these Super Duplex Bolts. We are also the leading suppliers of Hastelloy Fasteners and so on.
Duplex Fasteners Specification
Specifications for Duplex Fasteners are mentioned below. If any of the specifications are not mentioned here, please contact us.
| Duplex Fasteners Material Specification | 2205 Duplex Bolts, UNS S31803 Bolts |
|---|---|
| Standard | DIN, UNI, ISO, JIS, GB, IS, BS, ASME, ANSI, ASTM, and all International Standards |
| Duplex Fasteners/ Bolts Size | M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36 to M160 |
| Length | 3 mm to 200 mm |
| Duplex Bolts, Studs Threads: | METRIC, BSW, BSF, UNC, UNF, or as required |
| Duplex Steel Fasteners Standard: | ANSI – American National Standards Institute
DIN: DIN 931, DIN 933, DIN 934, DIN 970 UTS – Unified Thread Standard: UNC, UNF, UNEF, UNS, NPT, NPTF ISO – International Organization for Standardization: ISO 4032, ISO 4033, JIS standards |
| Source of raw materials | Tata Steel, JSPL, RINL, Usha Martin, Dhamma Steel, Mukund Steel, etc. |
| SCOPE OF MANUFACTURE |
|
| Duplex Fasteners In Form of: | Hex, Square, Round, Threading as per Gauge Etc. |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
| Duplex bolting Test Certificate: | Manufacturer Test Certificate as per EN 10204 / 3.1 |
| Duplex Fasteners finishing: | Zinc (yellow, white, blue, black), black oxide, Geometry, Dacroment, anodizing, nickel-plated, plated zinc-nickel, Duplex Steel: Passivated Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Duplex Steel, Mechanically Applied coating, and some special one like DACROMET |
| Production process | M2-M24: Cold Forging, hot forging M24-M100, machining, and CNC for Customized connecting element |
| Duplex bolting materials Surface Coating: |
All surface finishes offered including Geomet & PTFE, Galvanised, Zinc, Electroless Nickel, Sherardized, Dacromet |
| Popular Types of Duplex Steel Bolts | Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Countersunk Bolts, etc. |
| Popular Types of Duplex Steel Nut | Eye, Dome, Hex Head Nut, Panel, Lock, Coupling, Square, Acorn, T, Wing, etc. |
| Popular Types of Duplex Steel Screw | Socket Set Fasteners, Anchor Fasteners, Blind Rivet, Threaded Fasteners, Socket Head Fasteners, Machine Fasteners, Concrete Fasteners, Shoulder Fasteners, Panel Fasteners, Hex Head Cap Fasteners, etc. |
| Popular Types of Duplex Steel Washer | Machine Washers, Star Washers, Flat Washer, Lock Washer, Split Washer, Sealing Washer, etc. |
| Duplex Fasteners Packing: | IN BULK: canton, pallet, Small Boxs / carton/pallet, or customer request |
About Duplex Fasteners
Sagar Steel Corporation manufactures, trades, supplies, and exports excellent quality ASTM A193 Duplex Steel Fasteners across the globe from our highly equipped infrastructure facility in India. Also, Duplex Fasteners contain niobium for stabilization against sensitization. Duplex Fasteners are available in different shapes, sizes, and quantities per their demand. Apart from Duplex Fasteners applications, the 1.4307 fasteners are utilized in various processing like Fluidized coal combustors, grids, piping, wind boxes, Bed Furnaces, Petroleum Refining processes like catalytic recovery systems, flares, tube hangers, Power Generation industry instruments like coal gasifier internals, pulverized coal burners, tube hangers and in Thermal Processing for annealing covers and boxes, burner grids, muffles and retorts, doors, fans, and walking beams.
Duplex Fasteners Dealers in India
Duplex Fasteners Suppliers in India
Duplex Fasteners Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Duplex S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| Duplex S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| Duplex S32760 | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24.00 – 26.00 | 3.00 – 4.00 | 6.00 – 8.00 | 0.20 – 0.30 | 57.61 min |
Duplex Fastener Mechanical Properties
| Element | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 / S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
| S32750 / S32760 | 7.8 | 0.281 | 1350 | 2460 |
Equivalent Grades for Duplex Fasteners
| STANDARD | UNS | WNR. |
| Duplex 2205 | S31803 / S32205 | 1.4462 |
Size Chart for Duplex Fasteners
|
Fasteners Type
|
SIZE
|
GRADE
|
ASME
|
ISO
|
ASTM
|
|---|---|---|---|---|---|
|
Socket Head Cap Fasteners
|
M1.6 to M64
|
12.9
|
B18.3.1 M
|
4762
|
A574M
|
|
Socket Low Head Cap Fasteners
|
M4 to M20
|
10.9
|
|||
|
Socket Head Shoulder Fasteners
|
M6 to M24
|
012.9
|
B18.3.3M
|
||
|
Countersunk Socket Head Fasteners
|
M3 to M20
|
012.9
|
B18.3.5M
|
10642
|
F835M
|
|
Button Head Socket Fasteners
|
M3 to M12
|
012.9
|
B18.3.4M
|
7380
|
F835M
|
|
Flange Button Head Socket Fasteners
|
M3 to M10
|
012.9
|
F835M
|
||
|
Knurled Point Socket Set Fasteners
|
M3 to M20
|
45H
|
B18.3.6M
|
4029
|
F912M
|
|
Flat Point Socket Set Fasteners
|
M6 to M12
|
45H
|
B18.3.6M
|
4026
|
F912M
|
|
Dog Point Socket Set Fasteners
|
M3 to M20
|
45H
|
B18.3.6M
|
4028
|
F912M
|
|
Cone Point Socket Set Fasteners
|
M3 to M12
|
45H
|
B18.3.6M
|
4027
|
F912M
|
|
Plain Point Socket Set Fasteners
|
M3 to M20
|
45H
|
B18.3.6M
|
4029
|
F912M
|
|
Taper Pressure Plug
|
M8 to M22
|
–
|
|
Duplex Fasteners Type
|
SIZE
|
PROPERTY CLASS
|
TENSILE STRENGTH
|
STANDARD
|
|---|---|---|---|---|
|
Duplex Hex Head Fasteners
|
M4 to M80
|
10.9
|
1040N / mm2 min
|
ISO 4017 (Full Thread)
ISO 4014 (Half Thread) |
|
Duplex Nuts Type
|
SIZE
|
PROPERTY CLASS
|
STANDARD
|
|---|---|---|---|
|
Duplex Hex Nut
|
M6 to M42
|
10
|
ISO 4032
|
|
Duplex Nylock Nut
|
M6 to M20 (Gr.8)
M10 to M24 (Gr.10) |
8 & `10
|
DIN 982
|
|
Duplex Nylock Nut
|
M6 to M20 (Gr.8)
M10 to M24 (Gr.10) |
8 & 10
|
DIN 985
|
|
Duplex Hex Weld Nut
|
M6 to M12
|
8
|
DIN 929
|
|
Duplex Washers Type
|
SIZE
|
HARDNESS
|
STANDARD
|
|---|---|---|---|
|
Square Section Spring Washer, Duplex
|
3mm to 39mm
|
HV (430 to 530)
|
DIN 7980
|
|
Flat Section Spring Washer, Duplex
|
3mm to 39mm
|
HV (430 to 530)
|
DIN 127 B
|
|
Hardened Washer, Duplex
|
12mm to 30mm
|
HV (300 to 370)
|
IS 2016
|
|
Hardened Steel Washer, Duplex
|
12mm to 56mm
|
Rockwell 26 to 45 (HDG)
Rockwell 38 to 45 (Coated) |
ASTM F436M
|
Dimensions Chart for Duplex Fasteners
|
Bolt Size
|
USS
|
SAE
|
||||
|
OD (in.)
|
ID (in.)
|
Thickness
|
OD (in.)
|
ID (in.)
|
Thickness
|
|
|
1/8 (#6)
|
–
|
–
|
–
|
0.375
|
0.156
|
.036/.065
|
|
5/32 (#8)
|
–
|
–
|
–
|
0.438
|
0.188
|
.036/.065
|
|
3/16 (#10)
|
0.560
|
0.250
|
.036/.065
|
0.500
|
0.220
|
.036/.065
|
|
7/32 (#12)
|
–
|
–
|
–
|
0.562
|
0.250
|
.051/.080
|
|
1/4 (#14)
|
0.734
|
0.312
|
.051/.080
|
0.625
|
0.281
|
.051/.080
|
|
5/16
|
0.875
|
0.375
|
.064/.104
|
0.688
|
0.344
|
.051/.080
|
|
3/8
|
1.000
|
0.438
|
.064/.104
|
0.812
|
0.406
|
.051/.080
|
|
7/16
|
1.250
|
0.500
|
.064/.104
|
0.922
|
0.469
|
.051/.080
|
|
1/2
|
1.375
|
0.562
|
.086/.132
|
1.062
|
0.531
|
.074/.121
|
|
9/16
|
1.469
|
0.625
|
.086/.132
|
1.156
|
0.594
|
.074/.121
|
|
5/8
|
1.750
|
0.688
|
.108/.160
|
1.312
|
0.656
|
.074/.121
|
|
3/4
|
2.000
|
0.812
|
.122/.177
|
1.469
|
0.812
|
.108/.160
|
|
7/8
|
2.250
|
0.938
|
.136/.192
|
1.750
|
0.938
|
.108/.160
|
|
1
|
2.500
|
1.062
|
.136/.192
|
2.000
|
1.062
|
.108/.160
|
|
1 1/8
|
2.750
|
1.250
|
.136/.192
|
2.250
|
1.250
|
.108/.160
|
|
1 1/4
|
3.000
|
1.375
|
.136/.192
|
2.500
|
1.375
|
.136/.192
|
|
1 3/8
|
3.250
|
1.500
|
.153/.213
|
2.750
|
1.500
|
.136/.213
|
|
1 1/2
|
3.500
|
1.625
|
.153/.213
|
3.000
|
1.625
|
.153/.213
|
|
1 5/8
|
3.750
|
1.750
|
.153/.213
|
–
|
–
|
–
|
|
1 3/4
|
4.000
|
1.875
|
.153/.213
|
–
|
–
|
–
|
|
1 7/8
|
4.250
|
2.000
|
.153/.213
|
–
|
–
|
–
|
|
2
|
4.500
|
2.125
|
.153/.213
|
–
|
–
|
–
|
|
2 1/4
|
4.750
|
2.375
|
.320/.248
|
–
|
–
|
–
|
|
2 1/2
|
5.000
|
2.625
|
.210/.280
|
–
|
–
|
–
|
|
2 3/4
|
5.250
|
2.875
|
.228/.410S
|
–
|
–
|
–
|
|
3
|
5.500
|
3.125
|
.249/.327
|
–
|
–
|
–
|