Stainless steel spring wire for Auto industry/Auto parts
Stainless steel spring wire is our most traditional business,furnished by very good reputation on quality,price and strong supply capacity,Toponewire has built lots of business with customers all over the world.
Size and Diameter:
From 0.25mm to 18mm, based on buyer’s requirement.
Application and Usage:
Our high quality stainless steel spring wire can be used in doing spring, screw,rope,brush, redrew,electro polishing,pin,straightened and cut bars, cut wire, wagon axle,metal mesh.
chemical composition (%) in requirements
| Type |
|
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Cu |
N |
Other |
| 302 |
min |
|
|
|
|
|
8 |
17 |
|
|
|
|
| |
max |
0.12 |
1 |
2 |
0.045 |
0.03 |
10 |
19 |
|
|
0.1 |
|
| 304 |
min |
|
|
|
|
|
8 |
18 |
|
|
|
|
| |
max |
0.08 |
1 |
2 |
0.045 |
0.03 |
10.5 |
20 |
|
|
0.1 |
|
| 316 |
min |
|
|
|
|
|
10.5 |
16.5 |
2 |
|
|
|
| |
max |
0.07 |
1 |
2 |
0.045 |
0.03 |
13.5 |
18 |
2.5 |
|
1 |
|
| 321 |
min |
|
|
|
|
|
9 |
17 |
|
|
|
Ti 5 X C min |
| |
max |
0.08 |
1 |
2 |
0.045 |
0.03 |
12 |
19 |
|
|
|
|
| 347 |
min |
|
|
|
|
|
9 |
17 |
|
|
|
"(Cb + Ta) 10 X C min |
| |
max |
0.08 |
1 |
2 |
0.045 |
0.03 |
13 |
19 |
|
|
|
|
| 631 (17-7) |
min |
|
|
|
|
|
6.5 |
16 |
|
|
|
AI 0.75-1.50 |
| |
max |
0.09 |
1 |
1 |
0.04 |
0.03 |
7.8 |
18 |
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
Tensile Requirement (ASTM A313)
| AISI 302 and 304 |
|
AISI 316, 321, 347 |
|
AISI 631 (17-7) |
| Dia. (Inch) |
T/S (ksi) |
Dia. (Inch) |
T/S (ksi) |
|
Dia. (Inch) |
T/S (ksi) |
|
Dia. (Inch) |
T/S (ksi) |
| 0.009 - 0.010 |
320 - 350 |
0.045 - 0.050 |
267 - 295 |
|
0.010 - 0.015 |
240 - 270 |
|
0.010 - 0.015 |
335 -365 |
| 0.010 - 0.011 |
318 - 348 |
0.050 - 0.054 |
265 - 293 |
|
0.015 - 0.024 |
235 - 265 |
|
0.015 - 0.020 |
330 - 360 |
| 0.011 - 0.012 |
316 - 346 |
0.054 - 0.058 |
261 - 289 |
|
0.024 - 0.041 |
235 - 265 |
|
0.020 - 0.029 |
325 - 355 |
| 0.012 - 0.013 |
314 - 344 |
0.058 - 0.063 |
258 - 285 |
|
0.041 - 0.047 |
230 - 260 |
|
0.029 - 0.041 |
320 - 350 |
| 0.013 - 0.014 |
312 - 342 |
0.063 - 0.070 |
252 - 281 |
|
0.047 - 0.054 |
225 - 255 |
|
0.041 - 0.051 |
310 - 340 |
| 0.014 - 0.015 |
310 - 340 |
0.070 - 0.075 |
250 - 278 |
|
0.054 - 0.062 |
220 - 250 |
|
0.051 - 0.061 |
305 - 335 |
| 0.015 - 0.016 |
308 - 338 |
0.075 - 0.080 |
246 - 275 |
|
0.062 - 0.072 |
215 - 245 |
|
0.061 - 0.071 |
297 - 327 |
| 0.016 - 0.017 |
306 - 336 |
0.080 - 0.087 |
242 - 271 |
|
0.072 - 0.080 |
210 - 240 |
|
0.071 - 0.086 |
292 - 322 |
| 0.017 - 0.018 |
304 - 334 |
0.087 - 0.095 |
238 - 268 |
|
0.080 - 0.092 |
205 - 235 |
|
0.086 - 0.090 |
282 - 312 |
| 0.018 - 0.020 |
300 - 330 |
0.095 - 0.105 |
232 - 262 |
|
0.092 - 0.105 |
200 - 230 |
|
0.090 - 0.100 |
279 - 309 |
| 0.020 - 0.022 |
296 - 326 |
0.105 - 0.115 |
227 - 257 |
|
0.105 - 0.120 |
195 - 225 |
|
0.100 - 0.106 |
274 - 304 |
| 0.022 - 0.024 |
292 - 322 |
0.115 - 0.125 |
222 - 253 |
|
|
|
|
0.106 - 0.120 |
272 - 302 |
| 0.024 - 0.026 |
291 - 320 |
0.125 - 0.135 |
217 - 248 |
|
|
|
|
|
|
| 0.026 - 0.028 |
289 - 318 |
|
|
|
|
|
|
|
|
| 0.028 - 0.031 |
285 - 315 |
|
|
|
|
|
|
|
|
| 0.031 - 0.034 |
282 - 310 |
|
|
|
|
|
|
|
|
| 0.034 - 0.037 |
280 - 308 |
|
|
|
|
|
|
|
|
| 0.037 - 0.041 |
275 - 304 |
|
|
|
|
|
|
|
|
| 0.041 - 0.045 |
272 - 300 |
|
|
|
|
|
|
Grade and Quality:
200 series:201,202.204Cu.
300 series:301,302,304,304Cu,303,303Se,304L,305,307,308,308L,309,309S,310,310S,316,316L,321.
400 series:410,420,430,420J2,439,409,430S,444,431,441,446,440A,440B,440C.
Duplex and Others:2205,904L,S31803,330,660,630,17-4PH,631,17-7PH,2507,F51,S31254 etc.
Service
7X24-hour Telephone Consulting Service is available.
Reply and solution will be provided in 8 hours upon customer’s service request.
After-sales Support is available on a 7X24-hour basis, leaving no worries for customers.
Quality inspection from raw material to production, and delivery.
Professional quality control person, to avoid the unqualified products flowing to customer.
Strict inspection to Raw material, production, and delivery.
Full series of equipment in quality laboratory.
