Hunan Fushun Metal Co., Ltd.
Hunan Fushun Metal Co., Ltd.
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Hard Drawn Galvanized Steel Wire For Spring
Our galvanized wires are manufactured by using highly advanced coating and drawing technology to apply for spring and forming process uses. We provide superior wires on processing productivity, corrosion protection and bright surface, which will contribute to customer's cost reduction in post-plating process.
Galvanized Hard drawn steel MB wire has the standard specification of ASTM A764 for metallic coated carbon steel wire, coated at size and drawn to size for mechanical springs.
Chemical Composition (%) (ASTM A764 Class I & II)
| Element | Compostion |
| Carbon ( C ) | 0.45% - 0.85% |
| Manganese (Mn) | 0.30% - 1.30% |
| Phosphorus (P) | 0.04% Max |
| Sulfur (Si) | 0.05% Max. |
| Silicon (Cu) | 0.15% - 0.35% |
Finish 1 (Drawn to Size Metallic Coated), Regular or Class 1 Coating
| DIA. | CLASS I | CLASS II | ||
| T/S (ksi) | T/S (ksi) | |||
| (Inch) | MIN | MAX | MIN | MAX |
| 0.032 | 253 | 306 | 292 | 347 |
| 0.035 | 248 | 301 | 287 | 342 |
| 0.041 | 242 | 293 | 279 | 332 |
| 0.048 | 236 | 286 | 273 | 325 |
| 0.054 | 231 | 279 | 266 | 316 |
| 0.062 | 225 | 272 | 259 | 308 |
| 0.072 | 220 | 266 | 254 | 301 |
| 0.08 | 216 | 261 | 249 | 296 |
| 0.092 | 209 | 253 | 241 | 287 |
| 0.106 | 205 | 248 | 237 | 281 |
| 0.12 | 200 | 241 | 230 | 273 |
| 0.135 | 196 | 237 | 226 | 269 |
| 0.148 | 193 | 234 | 223 | 266 |
Finish 2 (Metallic Coated at Size), Regular, Class 1 or Class 3 Coating
| DIA. | CLASS I | CLASS II | ||
| T/S (ksi) | T/S (ksi) | |||
| (INCH) | MIN | MAX | MIN | MAX |
| 0.062 | 213 | 272 | 232 | 291 |
| 0.072 | 209 | 266 | 227 | 284 |
| 0.08 | 204 | 261 | 223 | 280 |
| 0.092 | 198 | 253 | 216 | 271 |
| 0.106 | 194 | 248 | 212 | 266 |
| 0.12 | 189 | 241 | 206 | 258 |
| 0.135 | 185 | 237 | 202 | 254 |
| 0.148 | 183 | 234 | 200 | 251 |
