Alloy Steel Fasteners | ASTM A193 Gr B7 Nut Bolt



ASTM A193 gr b7, ASTM A193 Alloy Steel Fasteners , ASTM A193 gr b7 equivalent, ASTM A193 gr.b7 chemical composition, ASTM A193 gr b7 mechanical properties, ASTM A193 gr b7 bolts.


Alloy Steel Fasteners

Alloy Steel Fasteners come in different types of alloys. They are made up of different things, such as chromium, vanadium, tungsten, and molybdenum. When these elements are added to the mix, they make the alloys strong and resistant to corrosion. Amardeep Steel is a leading manufacturer and supplier of Alloy Steel Fasteners in India.

There are many different sizes, grades, and types of alloy steel fasteners. There are different types of fasteners that range in length from M12 to M72, such as studs, bolts, nuts, washers, and so on. The Grade B7 Alloy Steel Bolts are made from a chromium-molybdenum alloy and treated with quenching and tempering to make them stronger.

This way of making the ASTM A193 Grade B7 Nuts makes them stronger.


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.

Chemical Composition Standard of a193 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

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

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

We Supply Alloy Steel Fasteners in listed cities in India

Mumbai, Lucknow, Coimbatore, Imphal, Mysore, Ratlam, Delhi, Kanpur, Darjeeling, Jalandhar, Nagpur, Solapur, Kolkata, Allahabad, Dehradun, Jammu, Nashik, Srinagar, Chennai, Ahmedabad, Faridabad, Jamshedpur, Bhadravati, Chattisgarh, Durgapur, Asansol, Hospet, Bellary, Visakhapatnam, Nellore, Surat, Bangalore, Chandigarh, Ghaziabad, Jhansi, Patna, Siliguri, Hyderabad, Stainless Steel Pipe dealers in Salem, Amritsar, Noida, Kochi (Cochin), Mangalore, Indore, Vadodra, Bhubaneswar, Bikaner, Bhavnagar, Tirupur, Ankleshwar, Warangal, Agartala, Thoothukudi, Stainless Steel Pipe suppliers in Pune, Thiruvanthapuram, Jaipur, Aizawl, Guwahati, Kozhikode, Raipur, Vishakhapatnam, Jabalpur, Bhopal, Gwalior, Ludhiana, Rajahmundry, Thane, Agra, Bhubaneshwar, Gurgaon, Madurai, Rajkot, Varanasi, Bhilai, Haridwar, Meerut, Ranchi, Ahmednagar, Akola, Amravati, Aurangabad, Baramati, Beed, Bhandara, Bhiwandi, Buldhana, Chandrapur, Chimur, Dahanu, Dhule, Dindori, Erandol, Gadchiroli, Hatkanangle, Hingoli, Ichalkaranji, Jalgaon, Jalna, Karad, Khed, Yavatmal, Kolaba, Kolhapur, Kopargaon, Latur, Malegaon, Mumbai, Nagpur, Nanded, Nandurbar, Nashik, Osmanabad, Pandharpur, Parbhani, Rajapur, Ramtek, Ratnagiri, Raver, Sangli, Satara, Shirdi, Shirur, Solapur, Thane, Wardha, Washim, Andhra Pradesh, Jammu and Kashmir, Nagaland, Uttarakhand, Haryana, Lakshadweep, Arunachal Pradesh, Jharkhand, Odisha, West Bengal, Himachal Pradesh, Assam, Karnataka, Punjab, Andaman and Nicobar Islands, Puducherry, Bihar, Kerala, Rajasthan, Chandigarh, Meghalaya, Chhattisgarh, Madhya Pradesh, Sikkim, Dadar and Nagar Haveli, Mizoram, Goa, Maharashtra, Tamil Nadu, Daman and Diu, Tripura, Gujarat, Manipur, Telangana, Delhi, Uttar Pradesh in India.

We Export Alloy Steel Fasteners in listed Country

United States of America, Malaysia, UAE, Indonesia, Saudi Arabia, Iran, Qatar, India, China, United Kingdom, Singapore, Canada, Thailand, South Korea, Turkey, Philippines, Egypt, Germany, Italy, Japan, Russia, Vietnam, Australia, South Africa, Portugal, Morocco, Costa Rica, Kazakhstan, Netherlands, Mexico, Brazil, France, Spain, Taiwan, Nigeria, Bangladesh, Kuwait, Iraq, Ukraine, Poland, Jordan, Romania, Oman, Hong Kong, Venezuela, Colombia, Norway, Chile, Trinidad & Tobago, Greece, Czechia, Belgium, Sri Lanka, Cyprus, Angola, Myanmar (Burma), United Kingdom, Canada, South Korea, Thailand, Netherlands, Spain, Turkey, Australia, Mexico, Pakistan, Vietnam, Brazil, Philippines, France, Taiwan, Poland, South Africa, Russia, Nigeria, Kuwait, Czechia, Norway, Romania, Egypt, Oman, Sweden, Belgium, Hong Kong, Israel, Colombia, Switzerland, Denmark, Finland, Argentina, Venezuela, Peru, Ukraine, Chile, Bangladesh, Portugal, Ireland, Austria, Algeria, Greece, Iraq, New Zealand, Slovakia, Hungary, Kazakhstan, Slovenia, Lithuania, Serbia, Sri Lanka, Bahrain, Bulgaria, Morocco, Tunisia, Croatia, Jordan, Ecuador, Trinidad & Tobago, Estonia, Azerbaijan, Ghana, Lebanon, Cyprus, Dominican Republic, Latvia, Libya, Costa Rica, Cambodia, Macedonia (FYROM), Belarus, Jamaica, Palestine, Turkmenistan