Manufactures & Suppliers of Pipes, Tubes, Flanges, Pipe Fitting & Fasteners

Alloy Steel Fasteners are available in various types of alloys, composed of elements like chromium, vanadium, tungsten, and molybdenum. The incorporation of these elements enhances the strength and corrosion resistance of the alloys. Natron Pipe Tube is a prominent manufacturer and supplier of Alloy Steel Fasteners in India, dedicated to providing high-quality products to meet diverse industry needs.

Alloy Steel Stud Bolt, Alloy Steel Bolt, Alloy Steel Nuts, Alloy Steel Fasteners Supplier and Manufacturer in Mumbai, India

Alloy Steel Fasteners come in a wide variety of sizes, grades, and types. These fasteners, including Alloy Steel studs, bolts, nuts, and washers, can range in length from M12 to M72. For instance, Grade B7 Alloy Steel Fasteners are crafted from a chromium-molybdenum alloy and undergo quenching and tempering processes to enhance their strength.


Alloy Steel Fasteners Specification

Specifications ASTM A 193 ASME SA 193
Standard DIN, ASTM, BS and all International Standards
Length 3 mm to 200 mm
Size M3 – M56 | 3/6″ to 2″ | Custom Sizes
Type Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag
Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts,
T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts.
Screw Type Alloy Threaded Screw, Hex Head Screw, Socket Head Screw, Socket Set Screw,
Blind Rivet, Concrete Screw, Shoulder Screw, Anchor Screw, Panel Screw, Machine Screw etc.
Bolts Types Alloy Hex Head Bolt, Hex Bolt, Square Bolt, Eye Bolt, T Bolt, U Bolt, Lag
Bolt, Counter sunk Bolt etc.
Washer Types Alloy Lock Washer, Machine Washers, Star Washers, Sealing Washer, Split
Washer etc.
Studs Types Alloy Double Ended Studs, Threaded Tod, Tie Bars, Tie Rodsetc.
Nut Types Alloy Coupling Nut, Hex Head Nut, Wing Nut, Square Nut, Panel Nut, T Nut,
Acorn Nuts, Dome Nut, Eye Nut, Lock Nut etc.

At Natron Pipe Tube, we prioritize the use of high-quality alloys in the manufacturing of our fasteners, ensuring that they meet the highest standards of product quality and industry specifications. Committed to excellence, we strive to deliver superior Alloy Steel Fasteners that serve a diverse range of industries and applications around the globe.

Alloy Steel Fasteners Chemical Composition

Element B7 (AISI 4140) Fasteners B8 (AISI 304) Fasteners B8M (AISI 316)
Carbon 0.37 - 0.49% 0.08% max 0.08% max
Manganese 0.65 - 1.10% 2.00% max 2.00% max
Phosphorus, max 0.035% 0.045% 0.045%
Sulfur, max 0.040% 0.030% 0.030%
Silicon 0.15 - 0.35% 1.00% max 1.00% max
Chromium 0.75 - 1.20% 18.0 - 20.0% 16.0 - 18.0%
Nickel   8.0 - 11.0% 10.0 - 14.0%
Molybdenum 0.15 - 0.25%   2.00 - 3.00%

Alloy Steel Mechanical Properties Chart

Grade Size Tensile ksi, min Yield, ksi, min Elong, %, min RA % min
Alloy Steel B7 Fasteners Up to 2-1/2 125 105 16 50
2-5/8 - 4 115 95 16 50
4-1/8 - 7 100 75 18 50
B8 Class 1 All 75 30 30 50
B8M Class 1 All 75 30 30 50
Alloy Steel B8 Class 2 Fasteners Up to 3/4 125 100 12 35
7/8 - 1 115 80 15 35
1-1/8 - 1-1/4 105 65 20 35
1-3/8 - 1-1/2 100 50 28 45
Alloy Steel B8M Class 2 Fasteners Up to 3/4 110 95 15 45
7/8 - 1 100 80 20 45
1-1/8 - 1-1/4 95 65 25 45
1-3/8 - 1-1/2 90 50 30 45

Alloy Steel Fasteners Weight Chart Table

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