ASME SA193 Grade B7 hex bolts manufacturer in India
Genuine and verified suppliers of ASTM A193 Grade B7 bolts and SA 193 B7 square bolt in Mumbai
ASTM A193 B7 bolts
ASTM A193 B7 hex bolt
A193 B7 heavy hex bolt
A193 B7 heavy hex bolt and hex head bolt used in oil and gas refineries, petrochemical plants and other heavy industrial sectors
Table of Content
Specifications of ASTM A193 Grade B7 bolts
| Dimensions | Length | Size | Forms |
|---|---|---|---|
| ANSI B18.2.1, B18.3, DINÂ 931/ 933 | 3mm to 200mm | M 02 to M 160 | Nuts, Bolts, Washers, Screw |
| International Standard | Thread | Diameter | Application |
| BS, UNI, ANSI, ISO, IS, JIS, GB, ASME, ASTM DIN | BSW, METRIC, UNF, UNC, BSF, custom | 3/4″ -1-1/2″ | Aerospace and gas turbine |
| Head Drive | ISO Standard | Imperial sizes | Coating |
| Phillips/Slot, Phillips, Slotted, Six-Lobe | ISO 4033, ISO 4032 | Dia 1/4″ to 3″ | PTFE, zinc plated, black phosphate, hot dip galvanized |
ASTM A193 GR B7 bolts available in min tensile strength range upto 125,000 psi (860 MPa)
Types of ASTM A193 Gr B7 bolts
ASTM A193 Grade B7 bolts
- Sizes: M 02 – M 160
- Length: 3mm – 200mm
- Hardness : 35HRC
- Applications: High temperature or high-pressure service
- Standards: ASME B18.2.1, B18.3
- Mill Test Certificate : EN 10204 / 3.1, NACE MR0103 / MR0175 / ISO 15156 Compliance
ASTM A193 GR B7 bolts
- Coatings: PTFE, black phosphate, zinc plated, hot dip galvanized
- Tensile strength: 125 Ksi(860 Mpa)
- Manufacturing Process : Cold Forging, hot forging
- Packaging : Canton, Wooden Pallet, Carton / Small Box
SA 193 B7 square bolts
- Temperature range: up to 450°C (840°F)
- Diameter: 3/4″ – 1-1/2″
- Yield strength: 105 Ksi(720 Mpa)
- Material: Carbon Steel
- Imperial : Dia 1/4″ to 3″
A193 B7 j bolts and SA 193 GR B7 carriage bolts with PMI, NDT & Shear Testing
A193 GR B7 square head bolt chemical composition
| Carbon | Phosphorus, max | Manganese, max | Silicon | Molybdenum | Sulfur, max | Chromium |
|---|---|---|---|---|---|---|
| 0.08-0.15 | 0.040 | 1.00 | 1.00 max | 0.15-0.25 | 0.030 | 11.5 – 13.5 |
ASTM B7 hex head bolt mechanical properties
| Grade | Diameter | Yield Strength | Tensile Strength | Hardness | Elongation | Reduction |
|---|---|---|---|---|---|---|
| Grade B7 | M64 and under | 720 | 860 | 35 HRC or 321 HBW | 16 | 50 |
| Over M64 to M100 | 655 | 795 | 35 HRC or 321 HBW | 16 | 50 | |
| Over M100 to M180 | 515 | 690 | 35 HRC or 321 HBW | 18 | 50 |
SA 193 GR B7 carriage bolt recommanded products
| Bolting Grade | Washer Grade | Nut Grade |
|---|---|---|
| ASTM A193 Grade B7 | ASTM F436 | ASTM A194 Grade 2H, 2HM |
Material description of A 193 GR B7 flange bolt
| Grade | Raw Material Description |
|---|---|
| A193 Grade B7 | Chromium Molybdenum AS, Quenched & Tempered |
ASTM A193 B7 bolt torque chart
| Bolt Dia in Inch | Nickel Lube | Nut Sizes in Inch | Moly Lube | Machine Oil | Copper Lube | Dry |
|---|---|---|---|---|---|---|
| u=0.110 | u=0.085 | u=0.160 | u=0.100 | u=0.400 | ||
| 3/4 | 342 | 1-1/4 | 208 | 448 | 314 | 1118 |
| 7/8 | 544 | 1-7/16 | 330 | 716 | 500 | 1786 |
| 1 | 810 | 1-5/8 | 490 | 1066 | 746 | 2664 |
| 1-1/8 | 1170 | 1-13/16 | 702 | 1544 | 1076 | 3888 |
| 1-1/4 | 1622 | 2 | 966 | 2150 | 1492 | 5440 |
| 1-3/8 | 2180 | 2-3/16 | 1288 | 2894 | 2000 | 7356 |
| 1-1/2 | 2850 | 2-3/8 | 1674 | 3792 | 2614 | 9274 |
| 1-5/8 | 3668 | 2-9/16 | 2142 | 4890 | 3364 | 12520 |
| 1-3/4 | 4602 | 2-3/4 | 2676 | 6144 | 4218 | 15776 |
| 1-7/8 | 5682 | 2-15/16 | 3292 | 7596 | 5204 | 19550 |
| 2 | 6920 | 3-1/8 | 3994 | 9260 | 6334 | 23884 |
| 2-1/8 | 8324 | N/A | 4790 | 11150 | 7618 | 28816 |
| 2-1/4 | 9906 | 3-1/2 | 5686 | 13282 | 9068 | 34382 |
| 2-3/8 | 11676 | N/A | 6686 | 15668 | 10678 | 40620 |
| 2-1/2 | 13646 | 3-7/8 | 7796 | 18324 | 12476 | 47536 |
| 2-3/4 | 16488 | 4-1/4 | 9382 | 22170 | 15066 | 57692 |
| 3 | 21464 | 4-5/8 | 13974 | 28894 | 19606 | 75340 |
| 3-1/4 | 27352 | 5 | 15470 | 36856 | 24976 | 96258 |
| 3-1/2 | 34226 | 5-3/8 | 19312 | 46158 | 31244 | 120730 |
| 3-3/4 | 42168 | 5-3/4 | 23742 | 56906 | 38482 | 149032 |
| 4 | 48590 | 6-1/8 | 27262 | 65652 | 44324 | 172292 |
| 4-1/4 | 51248 | 6-1/2 | 28802 | 69206 | 46758 | 181440 |
| 4-1/2 | 57742 | 6-7/8 | 32348 | 78058 | 52664 | 205026 |
Finding a specific size? Buy directly from ASTM A193 Grade B7 bolts manufacturer in India, We produce ASME SA193 Grade B7 hex bolt in all standard sizes.
SA193 Grade B7 hex bolt dimensions
| SIZES (D) | HEAD THICKNESS | BODY DIA | ACRO CORNERS | ACRO THE FLATS | ||||
|---|---|---|---|---|---|---|---|---|
| H(max) | H(min) | D(max) | D(min) | C(max) | C(min) | F(max) | F(min) | |
| m10 | 6.63 | 6.17 | 10.00 | 9.78 | 18.48 | 17.77 | 17.00 | 15.73 |
| m12 | 7.76 | 4.24 | 12.00 | 11.73 | 20.78 | 20.03 | 19.00 | 17.73 |
| m14 | 9.09 | 8.51 | 14.00 | 13.73 | 24.25 | 23.35 | 22.00 | 20.67 |
| m16 | 10.32 | 9.68 | 16.00 | 15.73 | 27.71 | 26.75 | 24.00 | 23.67 |
| m20 | 12.88 | 12.12 | 20.00 | 19.67 | 34.64 | 32.95 | 30.00 | 29.16 |
| m24 | 15.44 | 14.56 | 24.00 | 23.67 | 41.57 | 39.55 | 36.00 | 35.00 |
| m30 | 19.48 | 17.92 | 30.00 | 29.67 | 53.12 | 50.85 | 46.00 | 45.00 |
| m36 | 23.38 | 21.63 | 36.00 | 35.61 | 63.51 | 60.79 | 55.00 | 53.80 |
| m42 | 26.97 | 25.03 | 42.00 | 41.38 | 75.06 | 71.71 | 65.00 | 62.90 |
| m48 | 31.07 | 28.93 | 48.00 | 47.38 | 86.60 | 82.76 | 75.00 | 72.60 |
| m56 | 36.2 | 33.80 | 56.00 | 55.26 | 98.15 | 93.71 | 85.00 | 82.20 |
| m64 | 41.32 | 38.68 | 64.00 | 63.26 | 109.70 | 104.65 | 95.00 | 91.80 |
| m72 | 46.45 | 43.55 | 72.00 | 71.26 | 121.24 | 115.60 | 105.00 | 101.40 |
| m80 | 51.58 | 48.42 | 80.00 | 79.26 | 132.72 | 126.54 | 115.00 | 111.00 |
| m90 | 57.74 | 54.26 | 90.00 | 89.13 | 150.11 | 143.07 | 130.00 | 125.50 |
| m100 | 63.9 | 60.10 | 90.00 | 99.13 | 167.43 | 159.60 | 145.00 | 140.00 |
SA 193 Grade B7 carriage bolts heat treated condition
- quenched & tempered
- normalized & tempered