Zhengzhou Huitong Pipeline Equipment Co.,Ltd.
Zhengzhou Huitong Pipeline Equipment Co., Ltd.
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M2-M72 Duplex stainless steel 904L bolt nut washer fasteners
Grade 904L stainless steel is a non-stabilized austenitic stainless steel with low carbon content. This high alloy stainless steel is added with copper to improve its resistance to strong reducing acids, such as sulphuric acid. The steel is also resistant to stress corrosion cracking and crevice corrosion
| Standard | 904L |
| UNS | N08904 |
| Werkstoff Nr. | 1.4539 |
| Alloy 904L | |
| Ni | 23 – 28 |
| Mo | 4 – 5 |
| Cr | 19 – 23 |
| Cu | 1 – 2 |
| C | 0.02 max |
| Mn | 2.0 max |
| Si | 1.0 max |
| P | 0.045 max |
| S | 0.035 max |
| Density | 8.05 g/cm3 |
| Melting Point | 1350 °C (2460 °F) |
| Tensile Strength | Psi – 71000 , MPa – 490 |
| Yield Strength (0.2%Offset) | Psi – 32000 , MPa – 220 |
| Elongation | 35 % |
| Bolt Diameter | D | C | H | P | F | |||||
| Body Diameter | Head Diameter | Head Height | Square Width | Square Depth | ||||||
| Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | |
| 3/8 | 0.388 | 0.360 | 0.844 | 0.782 | 0.208 | 0.188 | 0.388 | 0.368 | 0.219 | 0.188 |
| 1/2 | 0.515 | 0.483 | 1.094 | 1.032 | 0.270 | 0.250 | 0.515 | 0.492 | 0.281 | 0.250 |
| 5/8 | 0.642 | 0.605 | 1.344 | 1.219 | 0.344 | 0.313 | 0.642 | 0.616 | 0.344 | 0.313 |
| 3/4 | 0.768 | 0.729 | 1.594 | 1.469 | 0.406 | 0.375 | 0.768 | 0.741 | 0.406 | 0.375 |
| 7/8 | 0.895 | 0.852 | 1.844 | 1.719 | 0.469 | 0.438 | 0.895 | 0.865 | 0.469 | 0.438 |
| 1 | 1.022 | 0.976 | 2.094 | 1.969 | 0.531 | 0.500 | 1.022 | 0.990 | 0.531 | 0.500 |
| 1-1/4* | 1.277 | 2.850 | 0.531 | 0.500 | 1.250 | 0.625 | ||||
3. SS 904L Bolts Nuts Washers Coatings
4. 904L stainless steel bolt weight chart for DIN933
