Qingdao Teste Metal Products Co., Ltd.
Qingdao Teste Metal Products Co., Ltd.
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Grade 309 Stainless Steel Wires
STAINLESS STEEL WIRE FOR SPRING
The corrosion resistance of stainless steels removes the requirement for any additional protective coatings making them the ideal material for springs operating in a range of corrosive conditions, high temperatures and in locations where maintenance and replacement are difficult.
STAINLESS STEEL SPRING WIRE GRADE
|
European Standards EN 10088-3 |
Designation USA | Japan | |||
|
Grades |
Designation | AISI-ASTM-SAE | UNS | ||
|
AUSTENITIC GRADES |
1.4301 | X5CrNi8-10 | 304 | S30400 | 304 |
| 1.431 | X10CrNi18-8 | 302 | S30200 | 302 | |
| 1.4305 | X8CrNiS18-9 | 303 | S30300S | 303 | |
| 1.4306 | X2CrNi19-11 | 304L | - | - | |
| 1.4303 | X4CrNi18-9 | 305 | S30600 | 305 | |
| 1.4307 | X2CrNi18-9 | 304L | S30403 | 304L | |
| 1.4401 | X5CrNiMo17-12-2 | 316 | S31600 | 316 | |
| 1.4404 | X2CrNiMo17-12-2 | 316L | S31603 | 316L | |
| 1.4541 | X5CrNiTi18-10 | 321 | S32100 | 321 | |
| 1.4567 | X3CrNiCu18-9-4 | 302HQ-304Cu | S30430 | XM7 | |
| 1.457 | X6CrNiCuS18-9-2 | - | - | - | |
| 1.4571 | X6CrNiMoTi17-12-2 | 316Ti | S31635 | 316Ti | |
| 1.4597 | X8CrMnCuNB17-8-3 | 204Cu | - | - | |
| 1.4539 | X1NiCrMoCu25-20-5 | 904L | NO8904 | - | |
| REFRACTORY GRADES | 1.4841 | X15CrNiSi25-21 | 314 | S31400 | - |
| 1.4845 | X8CrNi25-21 | 310-310S | S31000 | SUH310 | |
| FERRITIC GRADES | 1.4016 | X6Cr 17 | 430 | S43000 | 430 |
| 1.4104 | X14CrMoS17 | 430F | S43020 | 430F | |
| 1.4509 | X2CrTiNb18 | 441 | S44100 | 441 | |
| 1.451 | X3CrTi17 | 439/XM8 | S43035 | - | |
| 1.4511 | X3CrNb17 | 430Cb | - | - | |
| 1.4512 | X2CrTi12 | 409 | S40920 | - | |
| MARTENSITIC GRADES | 1.4005 | X12CrS13 | 416 | S41600 | 416 |
| 1.4034 | X46Cr13 | 420C | - | - | |
| 1.4021 | X20Cr13 | 420A | S4200 | - | |
| 1.4035 | X46CrS13 | - | - | - | |
CHEMICAL COMPOSITION
| Element | C | Mn | Si | P | S | Cr | Ni | Fe |
| 302 | 0.15% | 2.0% | 0.75% | 0.045% | 0.03% | 17.0~19.0% | 8.0~10.0% | Remainder |
| 303 | 0.10% | 2.0% | 1.00% | 0.040% | 0.015% | 17.0~19.0% | 8.0~10.0% | Remainder |
| 304 | 0.07% | 2.0% | 0.75% | 0.045% | 0.03% | 17.5~19.5% | 8.0~10.5% | Remainder |
| 304L | 0.03% | 2.0% | 0.75% | 0.045% | 0.03% | 17.5~19.5% | 8.0~12.0% | Remainder |
| 304H | 0.04~0.10% | 2.0% | 0.75% | 0.045% | 0.03% | 18.0~20.0% | 8.0~10.5% | Remainder |
| 309 | 0.20% | 2.0% | 0.75% | 0.045% | 0.03% | 22.0~24.0% | 12.0~15.0% | Remainder |
| 321 | 0.08% | 2.0% | 0.75% | 0.045% | 0.03% | 17.0~19.0% | 9.0~12.0% | Remainder |
| 330 | 0.08% | 2.0% | 0.75~1.50% | 0.03% | 0.03% | 17.0~20.0% | 34.0~37.0% | Remainder |
| 347 | 0.08% | 2.0% | 0.75% | 0.045% | 0.03% | 17.0~19.0% | 9.0~13.0% | Remainder |
MECHANICAL PROPERTIES
| 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 |
||||
| 302 | 620 | 275 | 40 | 92 | 147 |
| 303 | 620 | 310 | 30 | 96 | 230 |
| 304 | 515 | 205 | 40 | 92 | 201 |
| 304L | 485 | 170 | 40 | 92 | 201 |
| 304H | 515 | 205 | 40 | 92 | 201 |
| 309 | 515 | 205 | 40 | 95 | 217 |
| 321 | 515 | 205 | 40 | 95 | 217 |
| 330 | 552 | 207 | 40 | 95 | 217 |
| 347 | 515 | 205 | 40 | 92 | 201 |
SPECIFICATION OF STAINLESS STEEL WIRE