PROVIDING DUPLEX AND SUPER DUPLEX STEEL PRODUCTS SINCE 1975

Duplex Steel & Alloys is a very famous producer and supplier of SS 321 Fasteners . It is produced at our company's facilities in accordance with international standards, using high-quality raw resources and leading technology.

These Fasteners are created in the factory from elevated, balanced stainless steel. Because they are utilized to securely attach two joints, these SS 321H Fasteners are widely employed in a variety of building projects. These SS 321 Fasteners are frequently utilized when attaching two items and are mass-produced utilizing graded alloy. Duplex Steel & Alloys is popular for providing high-quality SS 321/321H Fasteners in the industry. We provide an exceptional array of Stainless Steel 321 Fasteners in a variety of sizes to meet the diverse needs of our clients.

Stainless Steel 321 Fasteners, 321 Stainless Steel Fasteners, SS 321 Fasteners, SS 321 Nut Bolt, Bolts, Stainless Steel 321 Fastener Suppliers in Mumbai, India.

SS 321 Screw, 321 Stainless Steel Nuts, SS 321 Bolts, 321 Stainless Steel Washers, SS 321H Fastener, SS 321 Stud Price, SS 321 Hex Bolt, SS 321 Fasteners Manufacturers in India.

Stainless Steel 321 Fasteners

These Stainless Steel UNS S32100 Fasteners are made from high-quality raw resources and are suitable for a wide range of industrial and commercial applications. These SS 321H Fasteners are available in a variety of finishes and sizes and are highly valued for their corrosion resistance and dimensional perfection.

One of the motivations for the creation of the 321 grade of stainless steel was its remarkable resistance to intergranular corrosion when subjected to temperatures ranging from 427° C to 816° C during chromium precipitation. The inclusion of titanium in the alloy of 321 Stainless Steel Fasteners is what keeps it stable against chromium carbide formation.

We provide Stainless Steel 321 & 321H Nuts, Stainless Steel 321 & 321H Bolts, Stainless Steel 321 & 321H Washers, and Stainless Steel 321 & 321H Stud Bolts.

Applications of SS 321/321H Fasteners: These Stainless Steel UNS S32109 Fasteners are utilized for a broad range of applications, including home and industry operations. These Stainless Steel UNS S32100 Fasteners are constructed from high-quality raw materials and may be used for a variety of commercial and industrial applications.


SS 321 Bolts and Nuts Specification

Standard ASTM F593, F594, A193, A194 / ASME SF593, F594, SA193, SA194
Bolt / Screw Size M3 – M56 | 3/6″ to 2″ | Custom Sizes
Nuts Size M3 – M56 | 3/6″ to 2″ | Custom Sizes
Washers Size M3 – M56 | 3/6″ to 2″ | Custom Sizes
Machine Screws Size M1.6 – M12
Self Tapping Screw Size No.2 – No. 14
Length 3 mm to 200 mm
Threads UNF, BSW, BSF, METRIC, UNC, or as required
Fasteners
  • DIN : DIN 934, DIN 931, DIN 970, DIN 933
  • UTS : UNEF, NPT, UNC, UNS, UNF, NPTF
  • ISO : JIS standards, ISO 4033, ISO 4032,
  • ANSI – American National Standards Institute
  • ASME B18.5
  • ANSI B 28.2.4 1M
  • as per defined in ASME B16.5 standard SS 321 Stud Bolt length
  • ANSI B 18.2.4 2M
  • as per defined in ASME B18.2.2 SS 321 Hex nuts
Form Hex, Threading, Square, Round as per Gauge Etc.
Raw materials Source JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc.
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Certification Dual Certified As per ASTM & ASME Codes
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically
Test Certificate as per EN 10204 / 3.1 Manufacturer Test Certificate
Additional Certifications PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Production Process M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC

Stainless Steel 321 Fastener Types

Bolts

Stainless Steel 321 Bolts

Nuts

321 Stainless Steel Nuts

Screw

321 Stainless Steel Screw

Washers

SS 321 Washer

Stud Bolt

321H Stainless Steel Stud Bolts

Anchor Fasteners

SS 321 Anchor Bolt

Threaded Studs

321 Stainless Steel Threaded Rod

Hex Bolt

SS 321 Hexagonal Bolt

Hex Nut

SS 321 Hex Nut

321H Stainless Steel Fastener Equivalent Material

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9

321 Stainless Steel Fasteners Chemical Composition

Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 5(C+N) – 0.70 max
SS 321H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 4(C+N) – 0.70 max

Mechanical Properties of Stainless Steel 321 Fasteners

Density Melting Point Tensilee Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

321H Stainless Steel Fastener, Stainless Steel 321H Fasteners, SS 321 Hex Bolt Price List, ASTM F593 321H Stainless Steel Fastener, A193 Bolt, SS 321 Anchor Fasteners, SS 321 Nut Bolt Manufacturer, Stainless Steel 321 Fasteners Suppliers in Mumbai.

If you are looking for best prices for 321 Stainless Steel Fasteners, SS 321 Stud Bolt, 321 Grade Stainless Steel Fasteners email us on info@duplexsteelalloys.com or call us on +91 9664408767

321 Stainless Steel Fasteners Price List

Product Price
321H SS Nut Bolt Price Per Kg US $1.99-200 / Kg
ASTM F1554 Hexagon Head Screw Stainless Steel 321 US $1290-4900 / Ton
Cost Per Kg of Stainless Steel 321H Heavy Hex Nuts US $99-1100 / Kg
321 Stainless Steel Washer Price S $1.00-900.0 / Kg
321L Stainless Steel Self Locking Nuts Price Per Kg US $190-1990 / Ton
SS 321 Heavy Hex Bolt price US $1000-4500 / Ton
SS 321H Anchor Fasteners Price List US $1500-2600 / Ton
321H Stainless Steel Bolt Price List US $2200-4000 / Ton
321H Stainless Steel Socket Head Screw Price US $1.2-3.7 / Kilogram
SS 321 Allen Cap Screw Price US $1,100.00-2,100.00 / Ton

SS 321H Bolt Thread Sizes

Size Nominal (Major)
Diameter [in]
Coarse Thread (UNC) Fine Thread (UNF)
Threads
Per Inch
Tensile Stress
Area [in2]
Minor
Area [in2]
Threads
Per Inch
Tensile Stress
Area [in2]
Minor
Area [in2]
#0 0.0600 --- --- --- 80 0.00180 0.00151
#2 0.0860 56 0.00370 0.00310 64 0.00394 0.00339
#4 0.1120 40 0.00604 0.00496 48 0.00661 0.00566
#5 0.1250 40 0.00796 0.00672 44 0.00830 0.00716
#6 0.1380 32 0.00909 0.00745 40 0.01015 0.00874
#8 0.1640 32 0.0140 0.01196 36 0.01474 0.01285
#10 0.1900 24 0.0175 0.01450 32 0.0200 0.0175
1/4" 0.2500 20 0.0318 0.0269 28 0.0364 0.0326
5/16" 0.3125 18 0.0524 0.0454 24 0.0580 0.0524
3/8" 0.3750 16 0.0775 0.0678 24 0.0878 0.0809
7/16" 0.4375 14 0.1063 0.0933 20 0.1187 0.1090
1/2" 0.5000 13 0.1419 0.1257 20 0.1599 0.1486
9/16" 0.5625 12 0.182 0.162 18 0.203 0.189
5/8" 0.6250 11 0.226 0.202 18 0.256 0.240
3/4" 0.7500 10 0.334 0.302 16 0.373 0.351
7/8" 0.8750 9 0.462 0.419 14 0.509 0.480
1" 1.0000 8 0.606 0.551 12 0.663 0.625
1-1/8" 1.1250 7 0.763 0.693 12 0.856 0.812
1-1/4" 1.2500 7 0.969 0.890 12 1.073 1.024
1-3/8" 1.3750 6 1.155 1.054 12 1.315 1.260
1-1/2" 1.5000 6 1.405 1.294 12 1.581 1.521
1-3/4" 1.7500 5 1.90 1.74 --- --- ---
2" 2.0000 4.5 2.50 2.30 --- --- ---

The following table of clearance holes was adapted from ASME B18.2.8. The minimum hole diameters are given.

Bolt Size Bolt Dia. [in] Normal Fit [in] Close Fit [in] Loose Fit [in]
#0 0.0600 0.076 0.067 0.094
#2 0.0860 0.102 0.094 0.116
#4 0.1120 0.128 0.120 0.144
#5 0.1250 0.156 0.141 0.172
#6 0.1380 0.170 0.154 0.185
#8 0.1640 0.196 0.180 0.213
#10 0.1900 0.221 0.206 0.238
1/4" 0.2500 0.281 0.266 0.297
5/16" 0.3125 0.344 0.328 0.359
3/8" 0.3750 0.406 0.391 0.422
7/16" 0.4375 0.469 0.453 0.484
1/2" 0.5000 0.562 0.531 0.609
5/8" 0.6250 0.688 0.656 0.734
3/4" 0.7500 0.812 0.781 0.906
7/8" 0.8750 0.938 0.906 1.031
1" 1.0000 1.094 1.031 1.156
1-1/8" 1.1250 1.219 1.156 1.312
1-1/4" 1.2500 1.344 1.281 1.438
1-3/8" 1.3750 1.500 1.438 1.609
1-1/2" 1.5000 1.625 1.562 1.734

321H SS Hex Nut Dimensions

The following table of hex nut dimensions was adapted from ASME B18.2.2, Table 1-1, "Dimensions of Square and Hex Machine Screw Nuts." This table is used for smaller size hardware.

Size Nominal (Major)
Diameter [in]
Width Across Flats Thickness
Nominal [in] Minimum [in] Minimum [in] Maximum [in]
#0 0.060 5/32"(0.156) 0.150 0.043 0.050
#2 0.086 3/16"(0.188) 0.180 0.057 0.066
#4 0.112 1/4"(0.250) 0.241 0.087 0.098
#6 0.138 5/16"(0.312) 0.302 0.102 0.114
#8 0.164 11/32"(0.344) 0.332 0.117 0.130
#10 0.190 3/8"(0.375) 0.362 0.117 0.130
1/4" 0.250 7/16"(0.438) 0.423 0.178 0.193
5/16" 0.312 9/16"(0.562) 0.545 0.208 0.225
3/8" 0.375 5/8"(0.625) 0.607 0.239 0.257

The following table of hex nut dimensions was adapted from ASME B18.2.2, Table 4, "Dimensions of Hex Nuts and Hex Jam Nuts."

Size Nominal (Major)
Diameter [in]
Width Across Flats Thickness
Minimum [in] Maximum [in] Minimum [in] Maximum [in]
1/4" 0.2500 0.428 0.438 0.212 0.226
5/16" 0.3125 0.489 0.500 0.258 0.273
3/8" 0.3750 0.551 0.563 0.320 0.337
7/16" 0.4375 0.675 0.688 0.365 0.385
1/2" 0.5000 0.736 0.750 0.427 0.448
9/16" 0.5625 0.861 0.875 0.473 0.496
5/8" 0.6250 0.922 0.938 0.535 0.559
3/4" 0.7500 1.088 1.125 0.617 0.665
7/8" 0.8750 1.269 1.312 0.724 0.776
1" 1.0000 1.450 1.500 0.831 0.887
1-1/8" 1.1250 1.631 1.688 0.939 0.999
1-1/4" 1.2500 1.812 1.875 1.030 1.094
1-3/8" 1.3750 1.994 2.062 1.138 1.206
1-1/2" 1.5000 2.175 2.250 1.245 1.317
1-5/8" 1.6250 2.350 2.430 1.364 1.416
1-3/4" 1.7500 2.538 2.625 1.460 1.540
1-7/8" 1.8750 2.722 2.813 1.567 1.651
2" 2.0000 2.900 3.000 1.675 1.763

321H Stainless Steel Flat Washer Dimensions

The following table of flat washer dimensions was adapted from ASME B18.21.1, Table 11 for Type A Plain Washers. Type A washers come in 2 series: Narrow and Wide.

Size Basic Dia. [in] Series Inner Dia,
Basic [in]
Outer Dia,
Basic [in]
Thickness,
Basic [in]
#0 0.0600 --- 0.078 0.188 0.020
#2 0.0860 --- 0.094 0.250 0.020
#4 0.1120 --- 0.125 0.312 0.032
#6 0.1380 --- 0.156 0.375 0.049
#8 0.1640 --- 0.188 0.438 0.049
#10 0.1900 --- 0.219 0.500 0.049
1/4" 0.2500 Narrow 0.281 0.625 0.065
1/4" 0.2500 Wide 0.312 0.734 0.065
5/16" 0.3125 Narrow 0.344 0.688 0.065
5/16" 0.3125 Wide 0.375 0.875 0.083
3/8" 0.3750 Narrow 0.406 0.812 0.065
3/8" 0.3750 Wide 0.438 1.000 0.083
7/16" 0.4375 Narrow 0.469 0.922 0.065
7/16" 0.4375 Wide 0.500 1.250 0.083
1/2" 0.5000 Narrow 0.531 1.062 0.095
1/2" 0.5000 Wide 0.562 1.375 0.109
9/16" 0.5625 Narrow 0.594 1.156 0.095
9/16" 0.5625 Wide 0.625 1.469 0.109
5/8" 0.6250 Narrow 0.656 1.312 0.095
5/8" 0.6250 Wide 0.688 1.750 0.134
3/4" 0.7500 Narrow 0.812 1.469 0.134
3/4" 0.7500 Wide 0.812 2.000 0.148
7/8" 0.8750 Narrow 0.938 1.750 0.134
7/8" 0.8750 Wide 0.938 2.250 0.165
1" 1.0000 Narrow 1.062 2.000 0.134
1" 1.0000 Wide 1.062 2.500 0.165
1-1/8" 1.1250 Narrow 1.250 2.250 0.134
1-1/8" 1.1250 Wide 1.250 2.750 0.165
1-1/4" 1.2500 Narrow 1.375 2.500 0.165
1-1/4" 1.2500 Wide 1.375 3.000 0.165
1-3/8" 1.3750 Narrow 1.500 2.750 0.165
1-3/8" 1.3750 Wide 1.500 3.250 0.180
1-1/2" 1.5000 Narrow 1.625 3.000 0.165
1-1/2" 1.5000 Wide 1.625 3.500 0.180
1-5/8" 1.6250 --- 1.750 3.750 0.180
1-3/4" 1.7500 --- 1.875 4.000 0.180
1-7/8" 1.8750 --- 2.000 4.250 0.180
2" 2.0000 --- 2.125 4.500 0.180

Ask Free Sample of 321 SS Fastener, Bolts, Nuts, Washer. Please Call +91 9664408767

Widest Range of Stainless Steel 321 Fastener in Mumbai, India.

  • SS 321 Anchor Bolt Weight Calculator In MM
  • SS 321 Fasteners Weight Calculator
  • UNS S32100 Fasteners
  • 321H SS 12mm Anchor Fastener Price
  • 321 SS 10mm Anchor Fastener Price
  • 321H Stainless Steel Fastener Bolt
  • SS 321 Bolts and Nuts
  • 321 Stainless Steel Price in India
  • SS 321 Fasteners Manufacturer in Mumbai
  • Stainless Steel 321 Fastener Manufacturers in Mumbai
  • SS 321 Fastener Supplier in India
  • 1.4878 Stainless Steel Fender Washer
  • 321 Stainless Steel Fastener Supplier
  • Stainless Steel 321 Flat Washers Exporter
  • Stainless Steel 321 Fastener Suppliers in Mumbai
  • 321 Stainless Steel Fastener Manufacturers
  • 321H Stainless Steel Screw Suppliers
  • Stainless Steel 321H Fastener Supplier in India
  • 321H Stainless Steel Lock Washers
  • Price of SS 321 Belleville Washer
  • 321 Stainless Steel Washer Manufacturers In India
  • SS 321 Machine Bolts
  • 321 Stainless Steel Self Tapping Screws
  • 321 Stainless Steel Concrete Screws
  • UNS S32109 Fasteners
  • SS 321 Fastener Suppliers in Mumbai
  • 321 SS Split Washers Sizes
  • Stainless Steel 321 Stud Price
  • 321 SS Stud Bolt Price List
  • SS 1.4541 Fastener Exporter
  • Stainless Steel 321H Heavy Hex Bolts
  • SS 321 Bolt Specification
  • 321H SS Lock Nut
  • 321H Stainless Steel Square Nut
  • Stainless Steel 321 Hex Nut Dimensions
  • ASTM F1554 321 Stainless Steel Fastener
  • 1.4878 Square Bolts Stockists
  • 321H Stainless Steel Socket Cap Screw Stock
  • Stainless Steel 321 Fastener Supplier in India
  • Stainless Steel 321 Ogee Washers
  • 321 Stainless Steel Coupling Nuts
  • ASME SF594 321H Stainless Steel Fastener
  • Stainless Steel 321 Spring Washers
  • 321 SS Dome Nut
  • SS 321 Fastener Price Per Kg in Mumbai
  • 321 Stainless Steel Socket Screws
  • ASTM F1554 Grade 321 SS Fastener
  • Cost Of 321H Stainless Steel Fastener
  • SUS 321H Wing Nuts Sizes
  • 321 Stainless Steel Fastener Price in India
  • SS 321 Flange Bolts
  • Standard SS 321H Hex Head Bolts

Tests of ASTM F1554 321H Stainless Steel Fastener

Before being prepared for shipment to the customer, ASTM F1554 321 Stainless Steel Fasteners Testing should be constructed in accordance with applicable standards and thoroughly tested for potential flaws.

Shear Test

Shear Test

Fatigue Test

Fatigue Test

Biaxial Test

Biaxial Test

Creep Test

Creep Test

Drop Weight Test

Drop Weight Test

Flexure Test

Flexure Test

Finishes Of 321H Stainless Steel Fastener

Powder coating Zinc and yellow plated
Zinc and de-embrittled Stayblack finish
Sherardised Nickel
Green chromate Geomet
Galvanised Electro brass plated
Chrome Chemical black

Stainless Steel 321 Fasteners - Comparing International Standards

USA France Germany Germany Italy Japan Russia Spain Sweden UK European Union
AISI AFNOR DIN 17006 W.N. 17007 UNI JIS GOST UNE SIS BSI EURONORM
321 Z 6 CNT 18-10 X 6 CrNiTi 18 10 X 12 CrNiTi 18 9 1.4541 1.4878 X 6 CrNiTi 1811 SUS 321 12KH18N10T X 6 CrNiTi 18-11 23 37 321S31 X 6 CrNiTi 18 10
321H X 8 CrNiTi 1811 SUS 321H X 7 CrNiTi 18-11 321S20
best offer & competitive quotation
call us on +91 9664408767

321 Stainless Steel Fasteners Supply in Below Countries

Products We Supplied Description Country
321 Stainless Steel Bolts and Nuts Price List S32100 Stainless Steel Eye Bolts Mongolia, Yemen, Slovakia, Romania, Puerto Rico
321 Stainless Steel Fasteners Manufacturers 1.4878 Stainless Steel Double Ended Studs In India Australia, Hong Kong, Singapore, Switzerland
Stainless Steel 321H Fasteners UNS S32109 U Bolts Supply Serbia, Malaysia, Germany, Venezuela
ASTM F593 SS 321 Fasteners SS 1.4541 Nut Bolt Weight Chart In Kg South Africa, Gambia, Belarus, Azerbaijan, Oman
ASME SF594 321 Stainless Steel Fasteners In India S32109 Stainless Steel Acorn Nuts Manufacturers In India Portugal, New Zealand, Belgium, Taiwan
SS GOST 10KH23N18 / 20KH25N20S2 Fastener SS 321 Nyloc Nuts Manufacturers In India Jordan, Czech Republic, Nigeria, Chile, Ecuador
321 Stainless Steel Bolt Torque Chart UNS S32100 Carriage Bolts Near Me Bulgaria, Bhutan, Nepal, Kuwait
321H SS Spring Washer 321H Stainless Steel Flat Washers Hungary, Vietnam, Denmark, Estonia

Main Applications Of 321 Stainless Steel Fasteners

Heavy Equipment

Heavy Equipment

Automotive

Automotive

Chemical Processing

Chemical

Power Generation

Power Generation

Shipbuilding

Shipbuilding

Construction

Construction

Aerospace

Aerospace

Oil & Gas

Oil & Gas