Mail : sales@hariomsteel.com
Mobile : +91 9082205826
Hariom Steel is a recognized seller and stockist of ASTM A193 Grade B8M Bolts, available in a variety of sizes, dimensions, and shapes. We are a major company dedicated to offering a broad range of ASME SA193 GR.B8M Hex Bolts, processed according to market standards using high-quality steel and other materials, combined with cutting-edge technology. These bolts are manufactured using advanced technology and are shaped with precision using power tools and dies. They exhibit exceptional strength and resilience at cryogenic temperatures and have a higher chromium concentration and lower carbon content compared to other steel types. Additionally, they resist atmospheric corrosion as well as mildly oxidizing and reducing conditions.
Specification | ASTM A193 / ASME SA193 |
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Dimensions | ASME B18.2.1, B18.3 |
Size | M02 to M160, Custom Sizes |
Length | 3 mm to 200 mm |
Threads | METRIC, BSW, BSF, UNC, UNF or as required |
In Form of | Hex, Square, Round, Threading as per Gauge Etc. |
Test Certificate: | Manufacturer Test Certificate as per EN 10204 / 3.1 |
Surface finishing | Zinc (yellow, white, blue, black), black oxide, Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET |
Production process | M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element |
Surface Coating |
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Packing | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
Grade | C | Mn | Si | P | S | Cr | Ni | Mo |
ASTM A193 B8M | 0.08 max. | 2.00 max | 1.0 max | 0.045 max | 0.030 max | 16.00-18.00 | 10.00-14.00 | 2.00-3.00 |
Tensile Strength | Yield Strength | Elongation | Reduction area | Brinell Hardness |
---|---|---|---|---|
52.75kg/MM2 | 21.1kg/MM2min | 30% min | 50% min | 223 B.H.N max. |
Hexagon Bolt / Set Screws | Stud Bolt | Hexagon Nuts | Socket Cap screws |
DIN 931 | BS4882 | DIN 934 | DIN 912 |
DIN 933 | DIN 976 | BS 1768 | DIN 6912 |
BS 1768 | BS 1769 | DIN 7984 | |
UNI 5731 | BS 1083 | ANSI B18.3 | |
UNI 5739 | BS 3692 | ISO 4762 | |
ISO 4014 | ISO 4032 | UNI 5931 | |
ISO 4017 | ISO 4033 | BS 2470 | |
BS 1769 | ANSI B18.2.2 | BS 4168 | |
BS 3692 | |||
ANSI B18.2.1 |
Socket & Slotted Set Screws | Socket & Slotted Countersunk Screws | Studs | Washers |
DIN 913 | DIN 963 | DIN 938 | DIN 125 |
DIN 914 | DIN 7991 | DIN 939 | DIN 9021 |
MM THREADS AS PER IS 1363/67 | ||||||||||
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APPROXIMATE WEIGHT IN KGS FOR 100 NOS | ||||||||||
LENGTH | DIAMETER | |||||||||
M 5 | M 6 | M 8 | M 10 | M 12 | M 14 | M 16 | M 18 | M 20 | M 22 | |
16 mm | 0.448 | 0.743 | 1.590 | 3.211 | ||||||
20 mm | 0.598 | 0.812 | 1.711 | 3.411 | 4.892 | |||||
25 mm | 0.660 | 0.897 | 1.871 | 3.660 | 5.252 | 8.170 | ||||
30 mm | 0.737 | 1.010 | 2.070 | 3.912 | 5.574 | 9.690 | 10.707 | 18.657 | ||
35 mm | 0.804 | 1.120 | 2.271 | 4.223 | 5.974 | 10.000 | 11.416 | 16.026 | 19.608 | |
40 mm | 0.881 | 1.230 | 2.470 | 4.533 | 6.410 | 10.288 | 12.107 | 16.667 | 20.747 | |
45 mm | 0.958 | 1.340 | 2.671 | 4.840 | 6.859 | 10.504 | 12.821 | 17.241 | 21.739 | |
50 mm | 1.030 | 1.450 | 2.870 | 5.155 | 7.299 | 11.261 | 13.624 | 17.857 | 22.727 | 28.409 |
55 mm | 1.560 | 3.071 | 5.464 | 7.740 | 11.628 | 14.409 | 18.868 | 23.810 | 30.120 | |
60 mm | 1.670 | 3.270 | 5.774 | 8.183 | 12.255 | 15.244 | 20.000 | 25.126 | 32.051 | |
65 mm | 1.781 | 3.472 | 6.083 | 8.621 | 12.626 | 16.026 | 21.008 | 26.455 | 34.014 | |
70 mm | 1.890 | 3.671 | 6.394 | 9.058 | 12.987 | 16.835 | 22.124 | 27.778 | 35.461 | |
75 mm | 2.000 | 3.873 | 6.702 | 9.506 | 13.228 | 17.606 | 23.256 | 29.070 | 39.063 | |
80 mm | 2.111 | 4.072 | 7.013 | 10.000 | 13.889 | 18.248 | 24.510 | 30.303 | 40.000 | |
90 mm | 4.472 | 7.634 | 10.917 | 14.925 | 19.841 | 26.042 | 33.113 | 41.667 | ||
100 mm | 4.873 | 8.251 | 11.820 | 16.340 | 21.459 | 27.778 | 35.714 | 46.296 | ||
110 mm | 8.881 | 12.723 | 17.730 | 23.041 | 31.250 | 38.168 | 47.170 | |||
120 mm | 9.506 | 13.624 | 18.797 | 24.631 | 32.895 | 40.984 | 50.000 | |||
130 mm | 10.101 | 14.535 | 20.000 | 26.316 | 34.722 | 43.478 | 52.632 | |||
140 mm | 10.707 | 15.432 | 20.833 | 27.933 | 35.461 | 46.296 | 55.556 | |||
150 mm | 11.312 | 16.340 | 22.222 | 29.412 | 37.594 | 48.544 | 58.824 | |||
160 mm | 11.905 | 17.241 | 24.272 | 31.056 | 40.984 | 50.505 | 61.728 | |||
170 mm | 12.500 | 18.116 | 32.680 | 53.191 | 64.935 | |||||
180 mm | 13.123 | 19.011 | 26.882 | 34.247 | 55.556 | 67.568 | ||||
190 mm | 13.736 | 19.920 | 35.971 | 58.140 | 70.423 | |||||
200 mm | 14.327 | 20.833 | 29.586 | 37.594 | 49.020 | 60.976 | 73.529 | |||
220 mm | 15.528 | 22.624 | 40.650 | 65.789 | 79.365 | |||||
240 mm | 16.722 | 24.510 | 43.860 | 71.429 | 84.746 | |||||
250 mm | 17.301 | 25.381 | 45.455 | 74.627 | 87.719 | |||||
260 mm | 17.921 | 26.316 | 47.170 | 76.923 | 90.909 | |||||
280 mm | 19.157 | 28.090 | 50.505 | 81.967 | 98.039 | |||||
300 mm | 20.325 | 29.940 | 53.763 | 87.719 | 104.167 | |||||
320 mm | 31.646 | 56.818 | 92.593 | |||||||
340 mm | 33.557 | 60.241 | 98.039 | |||||||
360 mm | 35.211 | 63.291 | 104.167 | |||||||
380 mm | 37.037 | 66.667 | 108.696 | |||||||
400 mm | 39.063 | 69.444 | 113.636 |
**All measurements in millimeters** | ||||||||
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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 |