The Alloy 20 Washers have great mechanical characteristics. They also have the properties of fabricability. The Alloy Steel B6 Washers are made by taking into consideration the standards as well as guidelines that are required so that great quality products are manufactured. The Alloy Steel B7 Washers and Alloy Steel B7M Washers also have various properties and characteristics because of which they are used in a large number of industrial applications.
Alloy Steel B16 Fasteners are also resistant towards corrosion and also have great mechanical properties. The Alloy Steel 2 Washers, Alloy Steel 2HM Washers and Alloy Steel 2H Washers are also manufactured by taking into consideration all the necessary standards and norms so that good quality products are manufactured. The Alloy Steel GR 6 Fasteners are also used in various industries such as gas processing, power generation, etc. Alloy Steel GR 7 Washers and Alloy Steel GR 7M Washers also have great properties and characteristics because of which they are also used in a large number of applications.
| Specification | ASTM A 193 ASME SA 193 |
| Standard | DIN, ASTM, BS and all International Standards |
| Size | M3 - M56 | 3/6" to 2" | Custom Sizes |
| Length | 3 mm to 200 mm | Custom Sizes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
| Threads Configuration |
ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Test Certificate | As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Raw materials Source | JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc. |
| Packing | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Surface Coating |
Cadmium Coating Hot Dipped Galvanizing Coating Ptfe Coated Phosphate Coating Teflon Coating Xylon Coating Zinc Coating |
| STANDARD | WERKSTOFF NR. | UNS |
| Alloy 20 | 2.4660 | N08020 |
| Alloy Steel B6 Nuts | - | - |
| Alloy Steel B7 Nuts | - | - |
| Alloy Steel B7M | - | - |
| Alloy Steel B16 Nuts | - | - |
| Alloy Steel 2 Nuts | - | - |
| Alloy Steel 2HM Nuts | - | - |
| Alloy Steel 2H Nuts | - | - |
| Alloy Steel GR 6 Nuts | - | - |
| Alloy Steel GR 7 Nuts | - | - |
| Alloy Steel GR 7 Nuts | - | - |
| Alloy Steel GR 7M Nuts | - | - |
| Grade | C | Mn | Si | P | S | Co | Cr |
| Alloy 20 Steel | 0.02 max | 1 - 2 | 0.7 max | 0.02 max> | 0.005 max | – | 19 - 21 |
| Alloy Steel B6 | 0.15 max | 1.00 max | 1.00 max | 0.040 | 0.030 | – | 11.50-13.50 |
| Alloy Steel B7 | 0.08-0.15 | 1.00 max | 1.00 max | 0.040 | 0.030 | 0.15-0.25 | 11.50-13.50 |
| Alloy Steel B7M | 0.37 - 0.49 | 0.65 - 1.10 | 0.15-0.35 | 0.035 | 0.040 | 0.15-0.25 | 0.75-1.20 |
| Alloy Steel B16 | 0.36 - 0.47 | 0.45 - 0.70 | 0.15 - 0.35 | 0.035 max | 0.040 max | 0.50 - 0.65 | 0.80 - 1.15 |
| Alloy Steel 2 | 0.15 - 0.55 | 1.000 | 0.400 | 0.040 max | 0.050 max | - | - |
| Alloy Steel 2HM | 0.40 min | 1.00 max | 0.40 max | 0.40 max | 0.050 max | - | - |
| Alloy Steel 2H | 0.40 min | 1.00 max | 0.40 max | 0.40 max | 0.050 max | - | - |
| GR 6 | 0.15 min | 1.00 max | 1.00 max | 0.4 max | 0.03 max | - | 11.5-13.5 |
| GR 7 | 0.37-0.49% | 0.65-1.10% | 0.04% | 0.04% | 0.15-0.035% | 0.15-0.25% | 0.75-1.20% |
| GR 7M | 0.37 - 0.49 | 0.65 - 1.10 | 0.15 - 0.35 | 0.035 | 0.04 | 0.15 - 0.25 | 0.75 - 1.20 |
| Grade | Diameter | Tensile Strength | Yield Strength | Elongation | Reduction | Hardness |
| Alloy 20 | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi - 35,000, MPa - 241 | 30 % | - |
| Grade B6 | - | 997 (≥) (mpa) | 666 (≥) (mpa) | 14 | 43 | 121 HBW |
| Grade B7 | M64 and under | 860 | 720 | 16 | 50 | 321 HBW or 35 HRC |
| Over M64 to M100 | 795 | 655 | 16 | 50 | 321 HBW or 35 HRC | |
| Over M100 to M180 | 690 | 515 | 18 | 50 | 321 HBW or 35 HRC | |
| Grade B7M | M100 and under | 690 | 550 | 18 | 50 | 235 HBW or 99 HRB |
| M100 and over | 690 | 515 | 18 | 50 | 235 HBW or 99 HRB | |
| B16 | Over M64 to M100 | 760 MPa | 655 MPa | 17 % | 45 % | 321 HBW or 35 HRC |
| Over M100 to M180 | 690 MPa | 585 MPa | 16 % | 45 % | 321 HBW or 35 HRC | |
| 2 | - | 57,000 min | 74,000 min | 18% | 35% | - |
| 2HM | - | - | - | - | - | - |
| 2H | - | - | - | - | - | - |
| GR 6 | - | - | - | - | - | - |
| GR 7 | - | - | - | - | - | - |
| GR 7M | - | - | - | - | - | - |
