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Alloy Steel Fasteners in Indonesia

Supplier of ASTM A193 Grade B7 Nuts and Grade B7 Bolt Properties in Indonesia

Alloy Steel Fasteners are available in various alloy types, composed of elements like chromium, vanadium, tungsten, and molybdenum. These elements enhance the strength and corrosion resistance of the alloys. Piping Material stands out as a top manufacturer and supplier of Alloy Steel Fasteners in Indonesia.

Explore our extensive range of ASTM A194 alloy steel screws and verify the dimensions of Grade B6 threaded rod.

The Alloy Steel Fasteners are available in various sizes, grades, and variations, including studs, bolts, nuts, and washers. With lengths ranging from 3mm to 200mm, the Grade B7 Alloy Steel Bolts are crafted from a chromium molybdenum alloy and undergo heat treatment for enhanced strength, following the quenched and tempered process. This technique also boosts the durability of the ASTM A193 Grade B7 Nuts.


The applications of Alloy Steel Fasteners span across various industries such as power plants, petrochemical sectors, and oil drilling. ASTM Ba94 Alloy Steel Screws are utilized for assembling components without nuts or welding. They are also suitable for high heat applications like exhaust systems and heat exchangers. Additionally, Grade B6 Threaded Rods are employed to connect two components using threaded ends. For more details and pricing on products like ASTM A194 Grade B7 Nut Bolt, feel free to get in touch with us.

Composition Standard of Grade B7 Bolt

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%

ASTM A193 Grade B7 Nuts 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

Specifications for PED approved ASTM A194 Grade B7 Nut Bolt and ASME SA 193 Alloy Steel Bolts, including Alloy Steel Socket Nut

ASTM A194 Alloy Steel Screws Specification Format

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.

Most Common Types Of ASTM A194 Grade B7 Nut Bolt

m12 m15 alloy steel l7 threaded rod astm a193 b7 b16

m12 m15 alloy steel l7 threaded rod astm a193 b7 b16 fasteners

din975 High quality M8 660 alloy steel bolt

din975 High quality M8 660 alloy steel bolt fasteners

Screw fastener DIN912 socket head cap screws alloy steel

Screw fasteners DIN912 socket head cap screws AS fasteners

Alloy Steel Double End Stud Bolt/ Threaded Rods

Alloy Steel Double End Stud Bolt/ Threaded Rods/ fasteners

alloy steel t head bolt

Alloy Steel t head bolt

1 Mm To 6 Mm Alloy Steel Fastener

1 Mm To 6 Mm Alloy Steel Fasteners

ASTM A320 L7, A194/7 Alloy Steel Fastener, Size: 40 and 80S

ASTM A320 L7, A194/7 Alloy Steel Fasteners, Size: 40 and 80S

round head square nech carriage bolt steel carriage bolt m8 x 35 mm

round head square nech carriage bolt carriage bolt m8 x 35 mm

alloy steel flat head carriage bolt 1.5

Alloy Steel flat head carriage bolt 1.5 Fasteners

You can mail for Alloy Steel Nuts, Alloy Stainless Steel Fasteners, Low Alloy Steel Fasteners to induce live quotes now. Looking to buy Alloy Steel B6 Fasteners, Grade 12.9 Alloy Steel Fasteners at the best cost in Indonesia.

Alloy Steel Socket Nut Grade

  • B6 Fasteners
  • B7 Bolt/Nut
  • B7M Fasteners
  • B16 Bolt/Nut
  • 2 Fasteners
  • 2HM Bolt/Nut
  • 2H Bolt/Nut
  • GR 6 Fasteners
  • GR 7 Bolt/Nut
  • GR 7M Fasteners
Recommended Grade of Nuts,Bolts & Washer
Bolt Grade Nuts Washers
B7 A194 Grade 2H F436
B8 Class 1 A194 Grade 8 SS304
B8M Class 1 A194 Grade 8M SS316
B8 Class 2 A194 Grade 8 SS304
B8M Class 2 A194 Grade 8M SS316

We have our Manufacturing Unit and distributors of Alloy Steel Socket Nuts, ASME SA 193 Alloy Steel Fasteners Suppliers In Indonesia

Weight of ASTM A193 Grade B7 Nuts

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
Find the best prices for ASME SA 194 Alloy Steel Bolts And Nuts from Grade 12.9 Alloy Steel Fasteners Manufacturers in Indonesia, including Alloy Steel Washer

ASME SA 193 Alloy Steel Bolts price List in Indonesia

Alloy Steel Stud Bolts Price List Grade B7 Nut Per Unit (INR)
Alloy Steel Double End Stud Bolt $0.08-$0.15/ Piece
Alloy Conveyor Belt Fasteners $0.57-$0.63/ Piece
half thread double ends bolts astm a193 price list $0.50/ Set
astm a193 b7 12 point flange bolt $0.06-$0.08/ Piece
In Indonesia, we offer a wide selection of B7 Alloy Steel Threaded Rods and Hex Nuts, including Alloy Steel Grade B7 Hex Nut Dimensions and ASTM A194 Grade 7 Nuts

ASME SA 193 Alloy Steel Heavy Hex Nut Dimensions Schedule

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 1.310
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