Duplex Fasteners Manufacturer in India
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Duplex Fasteners Manufacturer, Supplier, and Dealer in India.

Sagar Steel is one of the popular products in the Metal Market is Duplex Fasteners Manufacturer in Mumbai, India. We are an ISO 9001:2008 certified company with existence in the Metal Market since 2003. ASTM A193 Duplex Steel Fasteners products are designed and developed in accordance with international quality standards and national quality standards. We are offering the best possible prices of Super Duplex Anchor Fasteners to all our customers with a stock of standard, sizes, materials, and types available for immediate delivery worldwide. 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, Duplex Steel Threaded Rods, Super Duplex Fasteners Manufacturer in Mumbai India.

Sagar Steel Corporation offered Stainless Steel Duplex Fastener is manufactured under the strict supervision of professionals in accordance with national and international standards. We manufacture all of our ASTM A193 Duplex Steel Fasteners at our units using optimum grade materials and with help of our best state of technology. We design high-quality Round Duplex Fastener, Rectangular Duplex Fastener and Hollow Duplex Fastener, Square Duplex Fastener 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, Kindly get in touch with us.

Duplex Fasteners Material Specification2205 Duplex Bolts, UNS S31803 Bolts
StandardDIN, UNI, ISO, JIS, GB, IS, BS, ASME, ANSI, ASTM, and all International Standards
Duplex Fasteners/ Bolts SizeM2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36 to M160
Length3 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

  • ANSI B 18.2.4 2M
  • ANSI B 28.2.4 1M
  • Duplex Steel Stud Bolt length is defined in ASME B16.5 standard
  • Duplex Steel Hex nuts are defined in ASME B18.2.2
  • ASME B18.5

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 materialsTata Steel, JSPL, RINL, Usha Martin, Dhamma Steel, Mukund Steel, etc.
SCOPE OF MANUFACTURE
  • Hot Forged Duplex Fasteners, Nut / Bolt; up to M36 / 1-1/2” Dia, up to 1100mm lg
  • CNC Machined Duplex Fasteners, Nut / Bolt; up to M100 / 4” Dia, up to 1500mm lg
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 processM2-M24: Cold Forging, hot forging M24-M100, machining, and CNC for Customized connecting element
Duplex bolting materials Surface Coating:
  • Teflon Coated Fasteners
  • Phosphate Coated Fasteners
  • Zinc Coated Fasteners
  • PTFE Coated Duplex Steel Fasteners
  • Xylon Coated Fasteners
  • Cadmium Coated Fasteners
  • Hot Dipped Galvanizing Coated Fasteners

All surface finishes offered including Geomet & PTFE, Galvanised, Zinc, Electroless Nickel, Sherardized, Dacromet

Popular Types of Duplex Steel BoltsHex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Countersunk Bolts, etc.
Popular Types of Duplex Steel NutEye, Dome, Hex Head Nut, Panel, Lock, Coupling, Square, Acorn, T, Wing, etc.
Popular Types of Duplex Steel ScrewSocket 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 WasherMachine 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
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About Duplex Fasteners

Sagar Steel Corporation manufacture, trade, supply, and export excellent quality ASTM A193 Duplex Steel Fasteners across the globe from our highly equipped infrastructure facility in India. Also, Duplex Fasteners is containing niobium for stabilization against sensitization. Duplex Fasteners are available in different shapes and sizes and quantities as 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, in 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.

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Duplex Fasteners Dealers in India

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Duplex Fasteners Suppliers in India

Duplex Fasteners Chemical Composition

GradeCMnSiPSCrMoNiNFe
Duplex S318030.030 max2.00 max1.00 max0.030 max0.020 max22.0 – 23.03.0 – 3.54.50 – 6.500.14 – 0.2063.72 min
Duplex S322050.030 max2.00 max1.00 max0.030 max0.020 max21.0 – 23.02.50 – 3.504.50 – 6.500.8 – 0.2063.54 min
Duplex S327500.030 max1.20 max0.80 max0.035 max0.020 max24.00 – 26.003.00 – 5.006.00 – 8.000.24 – 0.3258.095 min
Duplex S327600.05 max1.00 max1.00 max0.030 max0.010 max24.00 – 26.003.00 – 4.006.00 – 8.000.20 – 0.3057.61 min

Duplex Fastener Mechanical Properties

ElementDensity (g/cm 3)Density (lb/in 3)Melting Point (°C)Melting Point (°F)
S31803 / S322057.8050.2851420 – 14652588 – 2669
S32750 / S327607.80.28113502460

Equivalent Grades for Duplex Fasteners

STANDARDUNSWNR.
Duplex 2205S31803 / S322051.4462

 

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
–
–
–