Stainless Steel Fasteners
Type 304 Stainless Steel Fasteners series is made up of almost 18% chromium and 8% nickel. These fastenings, which also include the 302, 302HQ, 303 and 305, are considered by several variables and grades with a close biochemical arrangement.
Specification Of Stainless Steel Fasteners
| Specification of SS 304 Fasteners | UNS S30400 Bolts, ASTM A194, ASME SA193 |
|---|---|
| Standard | GB, ASME, ISO, IS, BS, JIS, DIN, ASTM, UNI, ANSI |
| Fasteners/ Bolts Size | M2, M36, M10, M30, M3, M5, M14, M2.5, M160, M12, M16, M8, M24, M20, M6, M4 |
| Length | 3mm – 200 mm |
| Bolts, Studs Threads: | UNC, METRIC, BSW, UNF, BSF, or custom |
| Fasteners Standard: | ANSI
UTS : UNC, UNF, UNEF, UNS, NPT, NPTF DIN: DIN 934, DIN 933, DIN 931, DIN 970 ISO : ISO 4033, JIS standards, ISO 4032 |
| Source of raw materials | Mukund Steel, JSPL, Tata Steel, Dhamm Steel, RINL, Usha Martinetc. |
| Fasteners In Form of: | Threading, Square, Round, HexEtc. |
| Head drive: | Slotted, Phillips, Six-Lobeetc |
| Production process | machining and CNC , hot forging M24 – M100, M2 to M24: Cold Froging, |
| bolting materials Coating: |
All surface finishes are available, including: Galvanised, Zinc, Electroless Nickel, Sherardized, PTFE & Geomet , Dacromet |
| bolting Test Certificate: | EN 10204 / 3.1 |
| Fasteners Packing: | IN BULK: canton, pallet, Small Boxs / carton / pallet, or custom |
Chemical Properties of Fasteners
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 304 | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
Mechanical Properties of Fasteners
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 304 | 515 | 205 | 40 | 92 | 201 |