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The metal yard is a one-stop source for all your engineering requirements, and we are one of the leading manufacturers, exporters, and stockers of various engineering products. We are the regular supplier of engineering, industrial, constructional and other companies. We offer high-quality Alloy Steel B7-2H Fasteners, valuable for high strength assemblies. These fasteners are corrosive resistant, abrasions resistance and appropriate for extreme environments. These come with machining allowance and tolerance limits so that it fits in every assembly. Fasteners oppose stress rupture and creep subjected to heavy loads. These resist chemical erosion, ideal for chemical industries. At high temperatures, these withstand minimum elongations..
Specifications and packaging of B7-2H Fasteners We use only high-quality crude materials for manufacturing fasteners with the help of advanced machines and methods. They posses’ excellent surface finish and dimensional accuracy. Various metal treatment process done so that fastener attains high strength and enhance service period. ASTM, AISI, ASME, DIN, JS are some standards consider while manufacturing fasteners. Available in standard sizes, length 10 mm to 3000 mm, diameter M2 to M100. Different shapes and sizes of these fasteners customers can buy according to their specific needs.
The metal yard provides prominent fasteners testing it with radiographic, intergranular corrosion, flaring, flattening, positive material, and third-party inspections. Additionally, these are authorized by different international certifications, which ensures you guaranteed quality. Chrome Moly B7-2H Fasteners are pack in wooden boxes, cardboard boxes, or crates for safety. These come at the most effective prices you can buy for exceptional results for your assemblies.
Standard : ASTM A194, A193 / ASME SA194, SA193
Specification : IS, BS, ASTM / ASME
Size : M02 to M33
Diameter : 1/2~4” or M12~100
Length : 20~5000 mm, Upto 5 Meters
Materials : Alloy Steel 1040，1045，4140，4142
Surface Finish : Custom Colour, Zinc Plated, Yellow Plated, Hot Dip Galvanized, Blackodized
| Grade | C | Mn | P | S | SI | Cr | Mo |
| B7 | 0.37-0.49 | 0.65-1.10 | 0.035 Max | 0.04 Max | 0.15-0.35 | 0.75-1.20 | 0.15-0.25 |
| Grade | C | Mn | Ph | Su | Si |
| 7, 2H (4140) | 0.40% min | 1.00% max | 0.040% | 0.050% | 0.40% max |
|
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
|
| Bolt Sizes | Threads Per Inch< | Proof load (Lbs) | Clamp load (Lbs) | Tightening torque (Ft Lbs) | ||
|---|---|---|---|---|---|---|
| Galv+Waxed | Galv | Plain | ||||
| 1/4 | 20 | 3,350 | 2,513 | 5 | 13 | 10 |
| 5/16 | 18 | 5,500 | 4,125 | 11 | 27 | 21 |
| 3/8 | 16 | 8,150 | 6,113 | 19 | 48 | 38 |
| 7/16 | 14 | 11,150 | 8,363 | 30 | 76 | 61 |
| 1/2 | 13 | 14,900 | 11,175 | 47 | 116 | 93 |
| 9/16 | 12 | 19,100 | 14,325 | 67 | 168 | 134 |
| 5/8 | 11 | 23,750 | 17,813 | 93 | 232 | 186 |
| 3/4 | 10 | 35,050 | 26,288 | 164 | 411 | 329 |
| 7/8 | 9 | 48,500 | 36,375 | 265 | 663 | 530 |
| 1 | 8 | 63,650 | 47,738 | 398 | 995 | 796 |
| 11/8 | 7 | 80,100 | 60,075 | 563 | 1,408 | 1,126 |
| 11/8 | 8 | 82,934 | 62,201 | 583 | 1,458 | 1,166 |
| 11/4 | 7 | 101,750 | 76,313 | 795 | 1,987 | 1,590 |
| 11/4 | 8 | 105,006 | 78,754 | 820 | 2,051 | 1,641 |
| 13/8 | 6 | 121,300 | 90,975 | 1,042 | 2,606 | 2,085 |
| 13/8 | 8 | 129,492 | 97,119 | 1,113 | 2,782 | 2,226 |
| 11/2 | 6 | 147,550 | 110,663 | 1,383 | 3,458 | 2,767 |
| 11/2 | 8 | 156,687 | 117,515 | 1,469 | 3,672 | 2,938 |
| 13/4 | 5 | 199,500 | 149,625 | 2,182 | 5,455 | 4,364 |
| 13/4 | 8 | 218,400 | 163,800 | - | - | 4,778 |
| 2 | 41/2 | 262,500 | 196,875 | 3,281 | 8,203 | 6,563 |
| 2 | 8 | 290,850 | 218,138 | - | - | 7,271 |
| 21/4 | 41/2 | 341,250 | 255,938 | 4,799 | 11,997 | 9,598 |
| 21/4 | 8 | 373,801 | 280,351 | - | - | 10,513 |
| 21/2 | 4 | 420,000 | 315,000 | 6,563 | 16,406 | 13,125 |
| 21/2 | 8 | 466,200 | 349,650 | - | - | 14,569 |
| 23/4 | 4 | 468,500 | 351,263 | 8,050 | 20,124 | 16,100 |
| 23/4 | 8 | 515,851 | 386,888 | - | - | 17,732 |
| 3 | 4 | 567,150 | 425,363 | 10,634 | 26,585 | 21,268 |
| 3 | 8 | 618,451 | 463,838 | - | - | 23,192 |
| 31/4 | 4 | 674,500 | 505,875 | 13,701 | 34,252 | 27,402 |
| 31/4 | 8 | 730,550 | 547,913 | - | - | 29,679 |
| 31/2 | 4 | 791,350 | 593,513 | 17,311 | 43,277 | 34,622 |
| 31/2 | 8 | 851,201 | 638,401 | - | - | 37,240 |
| 33/4 | 4 | 917700 | 688275 | 21,509 | 53,771 | 43,017 |
| 33/4 | 8 | 982,300 | 736,725 | - | - | 46,045 |
| 4 | 4 | 1052600 | 789450 | 26,315 | 65,788 | 52,630 |
| 4 | 8 | 1,121,950 | 841,463 | - | - | 56,098 |
| Bolts & Studs Grade | Nuts Grade | Washers Grade |
| ASTM A193 B7 | ASTM A194 Grade 2H | F436 |
| ASTM A193 B8 Class 1 | ASTM A194 Grade 8 | SS304 |
| ASTM A193 B8M Class 1 | ASTM A194 Grade 8M | SS316 |
| ASTM A193 B8 Class 2 | ASTM A194 Grade 8 | SS304 |
| ASTM A193 B8M Class 2 | ASTM A194 Grade 8M | SS316 |
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We are Exporter of A194 Alloy Steel Gr.2H Fasteners in Worldwide Such as UAE, Slovakia, Israel, Bolivia, Macau, Greece, Philippines, Afghanistan, Sri Lanka, New Zealand, Japan, South Africa, Gabon, Iran, Romania, Mexico, Mongolia, India, Sweden, Spain, Jordan, Libya, Venezuela, Turkey, Croatia, United States, Ireland, Trinidad & Tobago,Tunisia, Oman, Indonesia, Australia, Lithuania, Norway, Argentina, Kuwait, Bahrain, Angola, Finland, Canada, Estonia, Switzerland, Costa Rica, Belgium, Bangladesh, Namibia, Bhutan, South Korea, Denmark, Colombia, Austria, Tibet, Thailand, Peru, Serbia, Nigeria, Iraq, Pakistan, Kazakhstan, United Arab Emirates, Morocco, Ukraine, Azerbaijan, Bulgaria, Germany, Gambia, Brazil, Chile, Nigeria, Taiwan, Ghana, Nepal, Netherlands, Portugal, Chile, Qatar, Poland, Vietnam, Saudi Arabia, Italy, Algeria, Hong Kong, Hungary, China, Puerto Rico, Lebanon, Czech Republic, Belarus, Mexico, Ecuador, Kenya, France, Poland, Iran, United Kingdom, Singapore, Egypt, Russia, Malaysia, Yemen, Zimbabwe.
We are Suppliers of A193 Alloy Steel Gr.B7 Fasteners in India Such as Mumbai, Ranchi, Kuwait City, La Victoria, Secunderabad, Milan, Seoul, Pune, Atyrau, Busan, Gimhae-si, Courbevoie, Hyderabad, Doha, Nashik, Calgary, Rajkot, Kanpur, London, Surat, Chiyoda, Navi Mumbai, New Delhi, Ahvaz, Jaipur, Chennai, Howrah, Vadodara, Al Jubail, Aberdeen, Kuala Lumpur, Sydney, Haryana, Rio de Janeiro, Noida, Coimbatore, Al Khobar, Bengaluru, Ulsan, Colombo, Bangkok, Dallas, Geoje-si, Dubai, Jakarta, Sharjah, Baroda, Ho Chi Minh City, Indore, Santiago, Mexico City, Melbourne, Mumbai, Cairo, Istanbul, Thane, Bhopal, Thiruvananthapuram, Hong Kong, Gurgaon, Manama, Jamshedpur, Visakhapatnam, Tehran, Bogota, New York, Pimpri-Chinchwad, Ankara, Riyadh, Karachi, Lagos, Abu Dhabi, Perth, Singapore, Lahore, Montreal, Houston, Caracas, Granada, Ernakulam, Ludhiana, Vung Tau, Hanoi, Madrid, Los Angeles, Kolkata, Nagpur, Algiers, Petaling Jaya, Toronto, Jeddah, Ahmedabad, Port-of-Spain, Dammam, Moscow, Faridabad, Edmonton, Muscat, Brisbane, Chandigarh.
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