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Stainless Steel 317/317L Nuts Manufacturer & Exporter

Stainless Steel 317/317L Nuts

317 Stainless Steel Nut, SS DIN 1.4449 Hex Head Nut, Stainless Steel 317L Imperial Thread Nylock Nuts, SS EN X5CrNiMo1713 Hex Nut Suppliers in India.

Ranfit Metal & Alloys is a distinguished exporter of SS 317 / 317L Nuts, which has moderate strength at high temperature. Because of its excellent general properties, a wide range of industries use Stainless Steel 317 Hex Head Nuts for a number of different applications. Stainless Steel 317L Square Nuts is used for refractory anchor bolts, combustion chambers and burners. SS UNS S31700 Lock Nuts can be utilized in slightly oxidizing, cementing, nitriding, and thermal cycling applications, although, the maximum service temperature must be reduced. SS 317L Eye Nuts is often used in refinery, food and chemical processing equipment. 317 Stainless Steel Wing Nuts has more severely carburizing atmospheres of industrial heat treating furnaces. 317L Stainless Steel T-Nuts is resistant to spalling and performs better in thermal cycling applications.

Forming operations should be performed for Stainless Steel UNS S31700 Nuts at room temperature whenever possible. Stainless Steel UNS S31703 Nuts has a maximum dry air service temperature of 1100 Degree C. To avoid overheating or burn-through of thinner sheets of Alloy 317 Panel Nuts, higher welding speed has to be applied. Grade 317L Coupling Nuts has excellent strength and toughness at sub-zero temperatures. Type 317 Dome Nuts is also used for Furnace Parts, Heat Exchangers and Oil Burner Parts. Attributing to the diligent team, we have been capable of making a range of supreme quality Stainless Steel 317L Acorn Nuts available to our clients.

Stainless Steel 317 Hex Jam Nylon Lock Nuts, ASTM A193 317L Stainless Steel Hex Nuts, SS UNS S31700 Steel Forged Eye Nuts, SS 317L Castle Nuts Supplier & Exporter in India.


Stainless Steel 317/317L Nuts Specification

Grade Stainless Stel 317 (S31700) | Stainless Stel 317L (S31703)
SS 317/317L Nut size Size : M3 - M56 | 3/6" to 2" | Custom Sizes
SS 317/317L Nuts Length 3 mm to 200 mm
SS 317/317L Nuts UNF, BSW, BSF, METRIC, UNC, or as required
Standard of SS 317/317L Nuts 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
ANSI B 18.2.4 2M
as per defined in ASME B18.2.2 Hex nuts
Form of SS 317/317L Nuts Hex, Threading, Square, Round as per Gauge Etc.
SS 317/317L Nuts 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
SS 317/317L Nuts Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Popular Types of Nut Hex Head Nut, Eye Nut, Dome Nut, Wing Nut, T Nut, Panel Nut, Lock Nut, Coupling Nut, Square Nut, Acorn Nut, Hex Rivet Nut Screw Nut, Washer Nut,,A4-80 Heavy Hex Nut, 8.8 Hex Head Rivet Nut, Sleeve Nut, Slotted Nut, Socket Nut, Shoulder Nut etc.
SS 317/317L Nuts Threads Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically
Test Certificate of Nuts 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
Head drive of Nuts Six-Lobe,Phillips,Phillips/Slot, Slotted etc
Packing of Nuts IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request
Surface Coating Ptfe Coated Nuts
Phosphate Coating
Teflon Coating
Zinc Coating
Hot Dipped Galvanizing Coating
Cadmium Coating
Xylon Coating
Nuts finishing Coatings & Finishes : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel
Zinc (blue, black, yellow, white), black oxide,

Stainless Steel 317/317L Nuts Equivalent Grades

AISI Grade Equivalent ASTM JIS Equivalent Stainless Steel Notation EN/DIN Numerical Equivalent UNS Designation EN/DIN Symbolical Equivalent
317 A193 SUS 317 SS 317 EN 1.4449 UNS S31700 X5CrNiMo1713
317L A193 SUS 317L SS 317L EN 1.4438 UNS S31703 X2CrNiMo18-15-4

Chemical Composition of SS 317/317L Nuts

Grade C Mn Si P S Cr Mo Ni Fe
SS 317 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 18.00 - 20.00 3.00 - 4.00 11.00 - 15.00 57.845 min
SS 317L 0.035 max 2.0 max 1.0 max 0.045 max 0.030 max 18.00 - 20.00 3.00 - 4.00 11.00 - 15.00 57.89 min

Mechanical Properties of SS 317/317L Nuts

Grade Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
SS 317/317L 7.9 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Types of Stainless Steel 317/317L Nuts

Stainless Steel 317/317L Hex Nuts

Stainless Steel 317/317L Lock Nuts

Stainless Steel 317/317L Hexagon Coupling Nuts

Stainless Steel 317/317L Square Nuts

Stainless Steel 317/317L Hexagon Castle Nuts

Stainless Steel 317/317L Hexagon Thin Nuts

Stainless Steel 317/317L Nylon Insert Lock Nuts

Stainless Steel 317/317L Hex Domed Cap Nuts

Stainless Steel 317/317L Flex Lock Nut

Stainless Steel 317/317L Wing Nut

Stainless Steel 317/317L Eye Nut

Stainless Steel 317/317L Hex Head Rivet Nuts

Stainless Steel 317/317L Slotted Nuts

Stainless Steel 317/317L Sleeve Nuts

Stainless Steel 317/317L Hex Jam Nuts


SS 317/317L Nuts Forms & Availability

Products Size
Stainless Steel 317/317L Acorn Nuts Stainless Steel 317/317L Flange Nuts Sizes M3 - M56 | 3/6" to 2"
Stainless Steel 317/317L Finish Nuts Stainless Steel 317/317L Square Nut
Stainless Steel 317/317L Machine Screw Nuts Stainless Steel 317/317L Nylon Jam Nuts
Stainless Steel 317/317L Nylon Insert Hex Lock Nuts Stainless Steel 317/317L Waxed Nylon Insert Lock Nuts
Stainless Steel 317/317L T Nuts Stainless Steel 317/317L Two Way Lock Nuts
Stainless Steel 317/317L Hex Jam Nuts Stainless Steel 317/317L Coupling Nuts
Stainless Steel 317/317L Eye Nuts Stainless Steel 317/317L Insert Nuts

Stainless Steel 317/317L Nuts Dimension

Thread Size (dia.-TPI) Major Diameter (in.) Lead (in./rev.) Product Line Hand Material Style Width Across Flats (in.) Outside Diameter (in.) Overall Length (in.)
1/4 - 16 0.25 0.063 Acme RH Stainless Steel Hex 0.5 0 0.25
3/8 - 12 0.375 0.083 Acme RH Stainless Steel Hex 0.688 0 0.375
3/8 - 12 0.375 0.083 Acme LH Stainless Steel Hex 0.688 0 0.375
1/2 - 10 0.5 0.1 Acme RH Stainless Steel Hex 0.875 0 0.5
5/8 - 8 0.625 0.125 Acme RH Stainless Steel Hex 1.063 0 0.625
3/4 - 6 0.75 0.167 Acme RH Stainless Steel Hex 1.25 0 0.75
3/4 - 5 0.75 0.2 Acme RH Stainless Steel Hex 1.25 0 0.75
1 - 5 1 0.2 Acme RH Stainless Steel Hex 1.625 0 1
1 - 5 1 0.2 Acme LH Stainless Steel Hex 1.625 0 1
1 - 4 1 0.25 Acme RH Stainless Steel Hex 1.625 0 1
1 - 4 1 0.25 Acme LH Stainless Steel Hex 1.625 0 1
1 1/4 - 5 1.25 0.2 Acme RH Stainless Steel Hex 2 0 1.25
1 1/2 - 4 1.5 0.25 Acme RH Stainless Steel Hex 2.25 0 1.5
1 3/4 - 4 1.75 0.25 Acme RH Stainless Steel Hex 2.75 0 1.75
2 - 4 2 0.25 Acme RH Stainless Steel Hex 3 0 2
1/2 - 10 0.5 0.1 Acme RH Steel Square 0.875 0 0.5
1/2 - 10 0.5 0.1 Acme LH Steel Hex 0.875 0 0.5
1/2 - 10 0.5 0.1 Acme LH Steel Round 0 0.875 0.5
1/2 - 10 0.5 0.1 Acme LH Steel Square 0.875 0 0.5
5/8 - 10 0.625 0.1 Acme RH Steel Hex 1.063 0 0.625
5/8 - 10 0.625 0.1 Acme LH Steel Hex 1.063 0 0.625
5/8 - 8 0.625 0.125 Acme RH Steel Hex 1.125 0 0.625
5/8 - 8 0.625 0.125 Acme RH Steel Round 0 1.125 0.625
5/8 - 8 0.625 0.125 Acme RH Steel Square 1.125 0 0.625
5/8 - 8 0.625 0.125 Acme LH Steel Hex 1.125 0 0.625
5/8 - 8 0.625 0.125 Acme LH Steel Round 0 1.125 0.625
5/8 - 8 0.625 0.125 Acme LH Steel Square 1.125 0 0.625
3/4 - 10 0.75 0.1 Acme RH Steel Hex 1.25 0 0.75
3/4 - 10 0.75 0.1 Acme LH Steel Hex 1.25 0 0.75
3/4 - 8A Thread Size (dia.-TPI) .750B Major Diameter (in.) .125 C Lead (in./rev.) Acme D Product Line RH EH and Steel F Material HexGStyle 1.250H Width Across Flats (in.) .000I Outside Diameter (in.) .750J Overall Length (in.)
3/4 - 8 0.75 0.125 Acme RH Steel Round 0 1.25 0.75
3/4 - 8 0.75 0.125 Acme RH Steel Square 1.25 0 0.75
3/4 - 8 0.75 0.125 Acme LH Steel Hex 1.25 0 0.75
3/4 - 8 0.75 0.125 Acme LH Steel Round 0 1.25 0.75
3/4 - 8 0.75 0.125 Acme LH Steel Square 1.25 0 0.75
3/4 - 6 0.75 0.167 Acme RH Steel Hex 1.25 0 0.75
3/4 - 6 0.75 0.167 Acme RH Steel Round 0 1.25 0.75
3/4 - 6 0.75 0.167 Acme RH Steel Square 1.25 0 0.75
3/4 - 6 0.75 0.167 Acme LH Steel Hex 1.25 0 0.75
3/4 - 6 0.75 0.167 Acme LH Steel Round 0 1.25 0.75
3/4 - 6 0.75 0.167 Acme LH Steel Square 1.25 0 0.75
3/4 - 5 0.75 0.2 Acme RH Steel Hex 1.25 0 0.75
3/4 - 5 STUB 0.75 0.2 Acme RH Steel Hex 1.25 0 0.75
3/4 - 5 STUB 0.75 0.2 Acme RH Steel Round 0 1.25 0.75

Stainless Steel 317/317L Nuts Standards

DIN Nuts Hexagon Nuts
Din 315 Nuts DIN 934
Din 431 Nuts BS 1768
Din 555 Nuts BS 1769
Din 557 Nuts BS 1083
Din 562 Nuts BS 3692
Din 582 Nuts ISO 4032
Din 934 Nuts ISO 4033
Din 936 Nuts ANSI B18.2.2
Din 1587 Nuts
Din 6923 Nuts

SS 317/317L Nuts Dimensions

Nominal Size or Basic Major Thread Diameter F G H
Width Across Flats Width Across Corners Thickness
Basic Max Min Max Min Basic Max Min
1/4 .2500 1/2 .500 .488 .577 .556 15/64 .250 .218
5/16 .3125 9/16 .562 .546 .650 .622 19/64 .314 .280
3/8 .3750 11/16 .688 .669 .794 .763 23/64 .377 .341
7/16 .4375 3/4 .750 .728 .866 .830 27/64 .441 .403
1/2 .5000 7/8 .875 .850 1.010 .969 31/64 .504 .464
9/16 .5625 15/16 .938 .909 1.083 1.037 35/64 .568 .526
5/8 .6250 1-1/16 1.062 1.031 1.227 1.175 39/64 .631 .587
3/4 .7500 1-1/4 1.250 1.212 1.443 1.382 47/64 .758 .710
7/8 .8750 1-7/16 1.438 1.394 1.660 1.589 55/64 .885 .833
1 1.0000 1-5/8 1.325 1.575 1.876 1.796 63/64 1.012 .956
1-1/8 1.1250 1-13/16 1.812 1.756 2.093 2.002 1-7/64 1.139 1.079
1-1/4 1.2500 2 2.000 1.938 2.309 2.209 1-7/32 1.251 1.187
1-3/8 1.3750 2-3/16 2.188 2.119 2.526 2.416 1-11/32 1.378 1.460
1-1/2 1.5000 2-3/8 2.375 2.300 2.742 2.622 1-15/32 1.505 1.433
1-5/8 1.6250 2-9/16 2.562 2.481 2.959 2.828 1-19/32 1.632 1.556
1-3/4 1.7500 2-3/4 2.750 2.662 3.175 3.035 1-23/32 1.759 1.679
2 2.0000 3-1/8 3.125 3.025 3.608 3.449 1-31/32 2.013 1.925
2-1/4 2.2500 3-1/2 3.500 3.388 4.041 3.862 2-13/64 2.251 2.155
2-1/2 2.5000 3-7/8 3.875 3.750 4.474 4.275 2-29/64 2.505 2.401
2-3/4 2.7500 4-1/4 4.250 4.112 4.907 4.688 2-45/64 2.759 2.647
3 3.0000 4-5/8 4.625 4.475 5.340 5.102 2-61/64 3.013 2.893
3-1/4 3.2500 5 5.000 4.838 5.774 5.515 3-3/16 3.252 3.124
3-1/2 3.5000 5-3/8 5.375 5.200 6.207 5.928 3-7/16 3.506 3.370
3-3/4 3.7500 5-3/4 5.750 5.562 6.640 6.341 3-11/16 3.670 3.616
4 4.0000 6-1/8 6.125 5.925 7.073 6.755 3-15/16 4.014 3.862

Stainless Steel 317/317L Nuts Sizes

Stainless Steel Nuts size chart Stainless Steel Nuts size guide Stainless Steel Nuts dimensions
3/8″-16 Grade 5 Finished Stainless Steel 317/317L Nuts 1/2″-13 Yellow Grade 8 Finished Stainless Steel 317/317L Nuts 1/4″-20 Grade 2 NE Steel Stainless Steel 317/317L Nuts
5/16″-18 Grade 2 NE Steel Nylon Insert Stainless Steel 317/317L Nuts 1/2″-13 ASTM A563 Grade A Steel Stainless Steel 317/317L Nuts 3/8″-16 ASTM A563 Grade A Steel Stainless Steel 317/317L Nuts
3/4″-10 A194 2-H Plain Finish Heavy Stainless Steel 317/317L Nut 5/8″-11 A194 2-H Plain Finish Heavy Stainless Steel 317/317L Nut 3/8-16 Low Carbon Plated Heavy Stainless Steel 317/317L Nut
5/16″-18 Acorn Stainless Steel Nuts 18-8 Stainless Steel 317/317L 1/2″-13 Acorn Stainless Steel Nuts 18-8 Stainless Steel 317/317L 5/16″-18 Case Hardened Stainless Steel 317/317L Nuts
5/8-18 Stainless Steel 317/317L Nuts 3/4-16 Stainless Steel 317/317L Nuts 5/8″-11 Case Hardened Stainless Steel 317/317L Nuts
7/8″-14 SAE J995 Grade 2 Plain Finish Steel Stainless Steel 317/317L Nuts 1″-8 SAE J995 Grade 2 Plain Finish Steel Stainless Steel 317/317L Nuts 3/8″-16 x 0.620″ – 0.655″ Width Bridge Spot Stainless Steel 317/317L Nuts
1/4″-20 Wide Spot Weld Stainless Steel 317/317L Nuts 3/4-10 x L2-1/4 x W1″Coupling SS 317/317L Nuts 3/8-16 x L1-3/4 x W5/8 Coupling Stainless Steel 317/317L Nuts
1/4-20 Plated Cold Stainless Steel 317/317L Nuts 5/16-18 Plated Cold Stainless Steel 317/317L Nuts 1/2″-13 Grade A Plain Finish Steel Regular Stainless Steel 304/L/H Nuts
3/8″-16 Grade A Finish Steel Regular Stainless Steel 317/317L Nuts 5/8″-11 Grade A Finish Steel Regular Stainless Steel 317/317L Nuts M6-1.0 Class 5 Finish Steel Regular Stainless Steel 317/317L Nuts
Nut Size (mm) Diameter*(mm) Height (mm)
Hex Nut Jam Nut Nylock Nut
2 4 1.6 1.2 -
2.5 5 2 1.6 -
3 5.5 2.4 1.8 4
4 7 3.2 2.2 5
5 8 4 2.7 5
6 10 5 3.2 6
7 11 5.5 3.5 -
8 13 6.5 4 8
10 17 8 5 10
12 19 10 6 12
14 22 11 7 14
16 24 13 8 16
18 27 15 9 18.5
20 30 16 10 20
* This is the diameter across the flats. It is also the size of wrench to use.

317/317L Stainless Steel Nut Weight Chart

Size Finished Hex Heavy Hex Finished Jam Heavy Hex Jam Square Heavy Square
1/2" Nut 3.75 6.54 2.62 4.00 5.78 7.87
5/8" Nut 7.33 11.9 4.93 6.96 10.8 14.3
3/4" Nut 11.9 19.3 7.70 11.0 15.4 23.5
7/8" Nut 19.0 29.7 12.0 16.7 24.5 36.2
1" Nut 28.3 42.5 17.6 23.5 36.3 51.5
11/8" Nut 40.3 59.2 24.7 32.4 52.5 72.4
11/4" Nut 54.3 78.6 36.1 45.8 70.6 95.5
13/8" Nut 73.0 102 47.9 59.3 94.5 125.0
11/2" Nut 94.3 131 60.9 74.8 122 161
15/8" Nut 162 91.6
13/4" Nut 151 204 100 114
17/8" Nut 241 134
2" Nut 224 299 140 165
21/4" Nut 419 227
21/2" Nut 564 332
23/4" Nut 738 429
3" Nut 950 545
31/4" Nut 1194 651
31/2" Nut 1526 851
33/4" Nut 1812 1005
4" Nut 2180 1200

Other Types of SS 317/317L Nuts

Stainless Steel 317 DIN 935 Nuts ASTM A193 SS 317 Slotted Nut
SS DIN 1.4449 Way Lock Nuts Manufacturer Stainless Steel 317L Hex Nut Washer
AISI Grade 317L SS Serrated Flange Nuts SS JIS SUS 317 High Nuts Supplier
ASTM A193 317 Stainless Steel Panel Nuts 317L SS Coupling Nut
SS UNS S31700 Square Nut Manufacturer AISI Grade 317 Stainless Steel Hex Head Nut
SS EN X2CrNiMo18-15-4 Panel Nuts 317L Stainless Steel Coupling Nut
A193 Stainless Steel 317L Square Nut Manufacturer A193 317 Stainless Steel Hex Head Nut
SS JIS SUS 317 Self Locking Nuts Traders Stainless Steel 317L Square Nuts
ASME SA193 Stainless Steel 317L Cap Nut SS EN X5CrNiMo1713 Coupling Nuts
317 SS Spring T Nut Manufacturer ASME SA193 EN X5CrNiMo1713 Slotted Nut

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