Stainless Steel CNC Machined Product after Investment Casting
To have the stainless steel castings machined into the desired dimensional tolerances and finish, the CNC machining is widely used accordingly. CNC machining is the kind of precision machining by CNC machines such as advanced machining centers which have top end 5 axis machining center, 4 axis double platform machining center, or CNC turning lathes which can also be developed to CNC turning center having capability of changing more than 15 cutters within one holding shift, CNC milling machine and CNC drilling and tapping centers.
RMC investment casting foundry has equipped with 4 axis machining centers, 15 sets of CNC turning lathes and 3 sets of cnc milling machines, along with assistant common versatile turning, milling, tapping, drilling and grinding machines, we have the capability of machining nearly all kinds of steel castings.
| Equivalent Grades of Stainless Steel |
| Group | AISI | W-stoff | DIN | BS | SS | U.N.E. / I.H.A. | UNI |
| Martensitic and Ferritic Stainless Steel | 420 C | 1,4034 | X43Cr16 |
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| 440 B/1 | 1,4112 | X90 Cr Mo V18 |
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| - | 1.2083 | X42 Cr 13 | - | 2314 | F.5263 | - |
| 403 | 1.4000 | X6Cr13 | 403 S 17 | 2301 | F.3110 | X6Cr13 |
| (410S) | 1.4001 | X7 Cr 14 | (403 S17) | 2301 | F.3110 | X6Cr13 |
| 405 | 1.4002 | X6 CrAl 13 | 405 S 17 | - | F.3111 | X6 CrAl 13 |
| 416 | 1.4005 | X12 CrS 13 | 416 S 21 | 2380 | F.3411 | X12CrS13 |
| 410 | 1.4006 | X 10 Cr 13 | 410 S21 | 2302 | F.3401 | X12Cr13 |
| 430 | 1.4016 | X6 Cr 17 | 430 S 17 | 2320 | F.3113 | X8Cr17 |
| 420 | 1.4021 | X20 Cr 13 | 420 S 37 | 2303 | F.3402 | X20Cr13 |
| 420F | 1.4028 | X30 Cr 13 | 420 S 45 | (2304) | F.3403 | X30Cr13 |
| (420) | 1.4031 | X39Cr13 | 420 S 45 | (2304) | F.3404 | - |
| 431 | 1.4057 | X20 CrNi 17 2 | 431 S 29 | 2321 | F.3427 | X16CrNi16 |
| 430F | 1.4104 | X12 CrMoS 17 | - | 2383 | F.3117 | X10CrS17 |
| 434 | 1.4113 | X6 CrMo 17 | 434 S 17 | 2325 | - | X8CrMo17 |
| 430Ti | 1.4510 | X6 CrTi 17 | - | - | - | X6CrTi17 |
| 409 | 1.4512 | X5 CrTi 12 | 409 S 17 | - | - | X6CrTi12 |
| Austenitic Stainless Steel | 304 | 1.4301 | X5 CrNi 18 9 | 304 S 15 | 2332 | F.3551 | X5CrNi18 10 |
| 305 | 1.4303 | X5 CrNi 18 12 | 305 S 19 | - | - | X8CrNi19 10 |
| 303 | 1.4305 | X12 CrNiS 18 8 | 303 S 21 | 2346 | F.3508 | X10CrNiS 18 09 |
| 304L | 1.4306 | X2 CrNiS 18 9 | 304 S 12 | 2352 | F.3503 | X2CrNi18 11 |
| 301 | 1.4310 | X12 CrNi 17 7 | - | 2331 | F.3517 | X12CrNi17 07 |
| 304 | 1.4350 | X5 CrNi 18 9 | 304 S 31 | 2332 | F.3551 | X5CrNi18 10 |
| 304 | 1.4350 | X5 CrNi 18 9 | 304 S 31 | 2333 | F.3551 | X5CrNi18 10 |
| 304LN | 1.4311 | X2 CrNiN 18 10 | 304 S 62 | 2371 | - | - |
| 316 | 1.4401 | X5 CrNiMo 18 10 | 316 S 16 | 2347 | F.3543 | X5CrNiMo17 12 |
| 316L | 1.4404 | - | 316 S 12/13/14/22/24 | 2348 |
| X2CrNiMo17 12 |
| 316LN | 1.4429 | X2 CrNiMoN 18 13 | - | 2375 | - | - |
| 316L | 1.4435 | X2 CrNiMo 18 12 | 316 S 12/13/14/22/24 | 2353 | - | X2CrNiMo17 12 |
| 316 | 1.4436 | - | 316 S 33 | 2343 | - | X8CrNiMo 17 13 |
| 317L | 1.4438 | X2 CrNiMo 18 16 | 317 S 12 | 2367 | - | X2CrNiMo18 16 |
| 329 | 1.4460 | X3 CrNiMoN 27 5 2 | - | 2324 | F.3309 | - |
| 321 | 1.4541 | X10 CrNiTi 18 9 | 321 S 12 | 2337 | F.3553 | X6CrNiTi18 11 |
| 347 | 1.4550 | X10 CrNiNb 18 9 | 347 S 17 | 2338 | F.3552 | X6CrNiNb18 11 |
| 316Ti | 1.4571 | X10 CrNiMoTi 18 10 | 320 S 17 | 2350 | F.3535 | X6CrNiMoTi 17 12 |
| 309 | 1.4828 | X15 CrNiSi 20 12 | 309 S 24 | - | - | X16 CrNi 24 14 |
| 330 | 1.4864 | X12 NiCrSi 36 16 | - | - | - | - |
| Duplex Stainless Steel | S32750 | 1.4410 | X 2 CrNiMoN 25 7 4 | - | 2328 | - | - |
| S31500 | 1.4417 | X 2 CrNiMoSi 19 5 | - | 2376 | - | - |
| S31803 | 1.4462 | X 2 CrNiMoN 22 5 3 | - | 2377 | - | - |
| S32760 | 1.4501 | X 3 CrNiMoN 25 7 | - | - | - | - |
| 630 | 1.4542 | X5CrNiCNb16-4 | - | - | - | - |
| A564/630 | - | - | - | - | - | - |
