Stainless Steel 321H Fasteners Manufacturer

Stainless Steel 310, 310H, and 310S are all variations of the same grade, but each has a unique set of properties and applications. Stainless Steel 310 Pipe Fittings have similar properties to 310H but with lower carbon content. This makes them a better choice for applications that do not require the high-temperature resistance of 310H. These fittings still offer good corrosion resistance and can be used in moderately carburizing atmospheres.

On the other hand, Stainless Steel 310S Pipe Fittings have a higher chromium content than both 310 and 310H. This makes them highly resistant to aqueous corrosion and ideal for harsh environments. These fittings can withstand carburizing and oxidizing atmospheres at higher temperatures.

Stainless Steel 321H Fasteners, SS 1.4541 Fasteners, Stainless Steel 321H Washers, Stainless Steel 321 Bolts, Ready Stock of 321H SS Fasteners, Stainless Steel 321 Fasteners Supplier in Mumbai.

Stainless Steel 321H Heavy Hex Bolts, Stainless Steel 321H Fasteners at Best Price In India, SS 321 Split Washers, Stainless Steel 321 Screws, Stainless Steel 1.4878 Socket Head Screws, Stainless Steel 321 Fasteners Stockist.

Stainless Steel 310 Pipe Fittings are available in various shapes, sizes, lengths, grades, and forms. They are made from a combination of nickel, chromium, and iron, with trace amounts of other elements. These pipe fittings, similar to SS 316 Pipe Fittings, are known for their excellent high-temperature resistance and their resistance to sulfidation and aqueous corrosion.

All three Stainless Steel 310 Pipe Fittings grades are highly machinable and fabricable, making them ideal for use in various industrial applications. They are commonly used in power generation, petrochemicals, gas processing, speciality chemicals, pharmaceuticals, offshore oil drilling, seawater equipment, heat exchangers, condensers, and the pulp and paper industry. When selecting the appropriate grade of Stainless Steel 310 Pipe Fittings for a specific application, it is essential to consider factors such as temperature, corrosion resistance, and mechanical properties.

By understanding each grade’s unique properties, it is possible to choose the best fit for the intended use. Kalp Industries is a leading manufacturer and supplier of high-quality Stainless Steel 310 Pipe Fittings, including 310H and 310S Pipe Fittings. These pipe fittings are available in various grades, sizes, and specifications to meet the specific needs of different industries. Our products are known for their high quality, durability, and reliability, making them a preferred choice for industrial applications. We also offer high-quality Stainless Steel 304L Pipe Fittings useful in many sectors.

Specification For SS 321 Fasteners

StandardASTM F593, F594, A193, A194 / ASME SF593, F594, SA193, SA194
Bolt / Screw SizeM3 – M56 | 3/6″ to 2″ | Custom Sizes
Nuts SizeM3 – M56 | 3/6″ to 2″ | Custom Sizes
Washers SizeM3 – M56 | 3/6″ to 2″ | Custom Sizes
Machine Screws SizeM1.6 – M12
Self Tapping Screw SizeNo.2 – No. 14
Length3 mm to 200 mm
ThreadsUNF, 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
FormHex, Threading, Square, Round as per Gauge Etc.
Raw materials SourceJSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc.
Threads ConfigurationASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
CertificationDual Certified As per ASTM & ASME Codes
DimensionsDIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
ThreadsUnless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically
Test Certificateas per EN 10204 / 3.1 Manufacturer Test Certificate
Additional CertificationsPED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Production processM24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC
SS 321 Fasteners
STOCKIST & SUPPILERS FOR STAINLESS STEEL 321 Fasteners IN INDIA, CUSTOM SIZES SS 321H Nuts, Bolts, Screw, Washers, Stud AS PER CLIENT REQUIREMENT

Equivalent Grades Of Stainless Steel 321H Fasteners

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

Various Types of Stainless Steel 321 Fasteners

Nuts

Stainless Steel 321 Nuts

  • Stainless Steel 321H Cap Nuts
  • Stainless Steel 321 Slotted Nut
  • ASTM F594 321 Stainless Steel Nuts
  • Stainless Steel 321 Coupling Nuts
  • 321 Stainless Steel Hex Jam Nuts
  • SS 321 Heavy Hex Nuts
  • 321H Stainless Steel Nuts
  • SS 321H Dome Nuts
  • SS 321H Square Nuts
  • Stainless Steel 321H Heavy Hex Nuts
  • SUS 321H Wing Nuts
  • SS 321 Nuts
  • SS S32109 Nuts in India
  • Stainless Steel 321H Nuts
  • Stainless Steel 321 Nyloc Nuts
  • SS 321H Machine Hex Nuts
Bolts

Stainless Steel 321 Bolts

  • SS 321 Heavy Hex Bolts
  • Stainless Steel 321H Flange Bolt
  • Stainless Steel 321 Heavy Hex Bolt
  • SS 321H Square Head Bolts
  • 321 Stainless Steel Bolt
  • Stainless Steel 321H Bolt
  • ASTM F593 321 Stainless Steel Bolts
  • 321 Stainless Steel Bolts
  • SS 321 Eye Bolts
  • Stainless Steel 321H Bolts
  • SS 321 Bolts
  • SS 321H U Bolts
  • Stainless Steel 321H Heavy Hex Bolts
  • 321H Stainless Steel T Bolt
  • Stainless Steel 321 J Bolts
  • Stainless Steel 321 Hex Bolts
Washer

Stainless Steel 321 Washers

  • SS 321H Spring Washers
  • Stainless Steel 321H Plain Washers
  • SS 321 Washers
  • 321H Stainless Steel Washers
  • Stainless Steel 321H Washer
  • 321 Stainless Steel Washers
  • Stainless Steel 321H Washers
  • SS 321H Split Washer
  • SS 321H Star Washers
  • 321H Stainless Steel Ogee Washer
  • Stainless Steel 321 Flat Washers
  • Stainless Steel 321 Washers
  • Stainless Steel 321 Dock Washers
Screw

Stainless Steel 321 Screws

  • Stainless Steel 321H Screws
  • Stainless Steel 321H Screw
  • 321 Stainless Steel CSK Philips Screw
  • Stainless Steel 321H Button Head Screw
  • SS 321H Allen Screws
  • 321 Stainless Steel Screws
  • ASTM F593 321 Stainless Steel Screws
  • SS 321H Machine Screw
  • 321H Stainless Steel Screws
  • SS 321H Flat Head Screws
  • Stainless Steel 321 Socket Head Screws
  • SS 321 Screws
  • Stainless Steel 321 Self Tapping Screws
Stud Bolts

Stainless Steel 321 Stud Bolts

  • SS 321 Stud Bolts
  • Stainless Steel 321 Metric Threaded Stud Bolts
  • 321 Stainless Steel Stud Bolts
  • Stainless Steel 321H Stud Bolt
  • SS 321H Full Threaded Stud Bolts
  • Stainless Steel 321H Single End Studs
  • Stainless Steel 321 Stud Bolts
  • SS 321H Half Threaded Stud Bolts
  • 321 Stainless Steel Half Threaded Stud Bolts
  • SS 321H Partially Threaded Stud Bolts
  • Stainless Steel 321 Full Threaded Stud Bolts
  • Stainless Steel 321H Stud Bolts
  • ASTM F593 321 Stainless Steel Stud Bolts
Anchor Bolt

Stainless Steel 321 Anchor Bolts

  • SS 321H Anchor Bolts
  • 321 Stainless Steel Anchor Bolts
  • Stainless Steel 321 Sleeve Type Anchor Bolts
  • SS 321H Wedge Type Anchor Bolts
  • ASTM F593 321 Stainless Steel Anchor Bolts
  • SS 321H Hammer Drive Anchor Bolts
  • SS 321 Anchor Bolts
  • 321H SS Anchor Bolts
  • Stainless Steel 321 Hex Nut Sleeve Anchor Bolts

Ready Stock Of Stainless Steel 321H Fasteners

  • Grade 321 SS T-Head Bolts
  • 321 Stainless Steel Mushroom Head Square Neck Bolts
  • Stainless Steel 321H Hex Head Bolt
  • 321H Stainless Steel Foundation Bolts
  • ASTM F594 Gr 321 Hex Coupling Nut
  • ANSI B18.2 Stainless Steel 321 Carriage Bolt
  • Stainless Steel 321H Elevator Bolt
  • ASTM A193 321 Stainless Steel Bolts
  • Stainless Steel 321H Flat Washers
  • Stainless Steel 321H Hex Socket Set Screws
  • ASTM F593 321H Stainless Steel Hex Cap Screws
  • Type 321H Stainless Steel Bolted Joints
  • SS 321H Hexagonal Washer
  • Stainless Steel 321H Self Locking Nuts
  • ASTM F594 Stainless Steel 321 Nuts
  • Stainless Steel 321 Lag Fasteners
  • Stainless Steel 321 Threaded Rod
  • 321 Stainless Steel Construction screws
  • 321 Stainless Steel Draw Bolt
  • 321H Stainless Steel Hex Washers
  • SS 321 Thread Rolling Screw
  • Austenitic Stainless Steel 321 Fasteners
  • Stainless Steel 321H Countersunk Washer
  • Stainless Steel 321H Concrete Screw
  • 321H SS Flange Lock Nut
  • 321 Stainless Steel Double Ended Stud
  • Stainless Steel 321H Ogee Washer
  • 321H Stainless Steel Hex Head Fasteners

SS 321 Hex Bolt Dimension

NOMINAL SIZE (D)
BODY DIAMETER
HEAD THICKNEASTM A193
ACROASTM A193 THE FLATS
ACROASTM A193 CORNERS
D (MAX)
D (MIN)
H (MAX)
H (MIN)
F (MAX)
F (MIN)
C (MAX)
C (MIN)
m10
10.00
9.78
6.63
6.17
17.00
15.73
18.48
17.77
m12
12.00
11.73
7.76
4.24
19.00
17.73
20.78
20.03
m14
14.00
13.73
9.09
8.51
22.00
20.67
24.25
23.35
m16
16.00
15.73
10.32
9.68
24.00
23.67
27.71
26.75
m20
20.00
19.67
12.88
12.12
30.00
29.16
34.64
32.95
m24
24.00
23.67
15.44
14.56
36.00
35.00
41.57
39.55
m30
30.00
29.67
19.48
17.92
46.00
45.00
53.12
50.85
m36
36.00
35.61
23.38
21.63
55.00
53.80
63.51
60.79
m42
42.00
41.38
26.97
25.03
65.00
62.90
75.06
71.71
m48
48.00
47.38
31.07
28.93
75.00
72.60
86.60
82.76
m56
56.00
55.26
36.2
33.80
85.00
82.20
98.15
93.71
m64
64.00
63.26
41.32
38.68
95.00
91.80
109.70
104.65
m72
72.00
71.26
46.45
43.55
105.00
101.40
121.24
115.60
m80
80.00
79.26
51.58
48.42
115.00
111.00
132.72
126.54
m90
90.00
89.13
57.74
54.26
130.00
125.50
150.11
143.07
m100
90.00
99.13
63.9
60.10
145.00
140.00
167.43
159.60

Size Chart of AISI 321H Stainless Steel Nuts

Nut Size (mm)
Diameter* (mm)
Height (mm)
Hex Nut
Jam Nut
Nylock Nut
2mm
4
1.6
1.2
2.5mm
5
2
1.6
3mm
5.5
2.4
1.8
4
4mm
7
3.2
2.2
5
5mm
8
4
2.7
5
6mm
10
5
3.2
6
7mm
11
5.5
3.5
8mm
13
6.5
4
8
10mm
17
8
5
10
12mm
19
10
6
12
14mm
22
11
7
14
16mm
24
13
8
16
18mm
27
15
9
18.5
20mm
30
16
10
20
* This is the diameter across the flats. It is also the size of wrench to use.

Dimensions of SS 321 Heavy Hex Nuts

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 321H Hex Nuts Dimension

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
7/16
.438
.428
.505
.488
7/32
.226
.212
5/16
.3125
1/2
.500
.489
.577
.557
17/64
.273
.258
3/8
.3750
9/16
.562
.551
.650
.628
21/64
.337
.479
7/16
.4375
11/16
.688
.675
.794
.768
3/8
.385
.365
1/2
.5000
3/4
.750
.736
.866
.840
7/16
.448
.427
9/16
.5625
7/8
.875
.861
1.010
.982
31/64
.496
.473
5/8
.6250
15/16
.938
.922
1.083
1.051
35/64
.559
.535
3/4
.7500
1-1/8
1.125
1.088
1.299
1.240
41/64
.665
.617
7/8
.8750
1-5/16
1.312
1.269
1.516
1.447
3/4
.776
.724
1
1.0000
1-1/2
1.500
1.450
1.732
1.653
55/64
.887
.831
1-1/8
1.1250
1-11/16
1.688
1.631
1.949
1.859
31/32
.999
.939
1-3/8
1.3750
2-1/16
2.062
1.994
2.382
2.273
1-11/64
1.206
1.138
1-1/2
1.500
2-1/4
2.250
2.175
2.598
2.480
1-9/32
1.ASTM A194 GR. 8
1.245
1-5/8
1.6250
2-7/16
2.438
2.356
2.815
2.686
1-25/64
1.429
1.353
1-3/4
1.7500
2-5/8
2.625
2.538
3.031
2.893
1-1/2
1.540
1.460
2
2.0000
3
3.000
2.900
3.464
3.306
1-23/32
1.763
1.675
2-1/4
2.2500
3-3/8
3.375
3.263
3.897
3.719
1-15/16
1.986
1.890
2-1/2
2.5000
3-3/4
3.750
3.625
4.330
4.133
2-5/32
2.209
2.105
2-3/4
2.7500
4-1/8
4.125
3.988
4.763
4.546
2-3/8
2.431
2.319

ASTM F593 321 SS 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

321H SS Fasteners Mechanical Properties

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

We Serve Application Industry

Fastener applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

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We Export SS 321H Fasteners Across the Globe

Pakistan, Kuwait, Slovakia, Tibet, Canada, Belarus, Chile, Ireland, Thailand, Costa Rica, Azerbaijan, Singapore, South Africa, Tunisia, Taiwan, Norway, United Arab Emirates, Gabon, Nigeria, Ecuador, Hungary, Italy, Estonia, Switzerland, Philippines, United Kingdom, New Zealand, Romania, Macau, Lithuania, Malaysia, Mexico, Finland, Iran, Russia, Greece, Ghana, Belgium, Venezuela, Germany, Serbia, Poland, Peru, Ukraine, Nepal, Poland, Algeria, Sweden, Morocco, Colombia, Japan, Afghanistan, Indonesia, Iran, Libya, Bahrain, Argentina, Oman, Iraq, Chile, Namibia, Puerto Rico, Nigeria, Angola, Yemen, Qatar, Czech Republic, India, Brazil, South Korea, China, Israel, Turkey, Portugal, Trinidad & Tobago, Croatia, Bhutan, Austria, Kazakhstan, Australia, Hong Kong, Kenya, Gambia, Zimbabwe, United States, Bolivia, Spain, Bulgaria, Jordan, Sri Lanka, Egypt, Vietnam, Saudi Arabia, Lebanon, Mexico, France, Bangladesh, Mongolia, Netherlands, Denmark.

Domestic Supply Stainless Steel 321 Fasteners

Hyderabad, Kolkata, Jamshedpur, Haryana, New Delhi, Thiruvananthapuram, Ernakulam, Surat, Ludhiana, Thane, Nagpur, Ranchi, Kanpur, Secunderabad, Noida, Gurgaon, Pimpri-Chinchwad, Visakhapatnam, Baroda, Vadodara, Chennai, Bengaluru, Jaipur, Pune, Chandigarh, Howrah, Bhopal, Ahmedabad, Faridabad, Navi Mumbai, Mumbai, Rajkot, Colombo, Nashik, Indore, Coimbatore.

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