Standard grades

By Chemical Composition (nominal), %
Designation C Cr Ni Mo Others
Austenitic stainless steels (prefix standard THT,TST,TST-E or THE)
3R12 <0.030 18.5 10 - -
3R60 <0.030 17.5 13 2.6 -
3R65 <0.030 17 11.5 2.1 -
6R35 0.05 17.5 10.5 - Ti
5R75 0.05 17 12 2.1 Ti
5R10 0.04 18.5 9.5 - -
3R19 <0.030 18.5 9 - N
5R60 0.04 17 12 2.6 -
3R64 <0.030 18.5 14.5 3.1 -
3R68 <0.30 17 13 4.1 N
8R40 0.06 17.5 11 - Nb
8R41 0.06 16.5 13 - Nb
3R60 U.G <0.020 17.5 14 2.6 -
Duplex stainless steels (prefix standard THT,TST,TST-E or THE)
SAF 2304 <0.030 23 4.5 - N
SAF 2205 <0.030 22 5 3.2 N
SAF 2507 <0.030 25 7 4 N
3RE60 <0.030 18.5 4.5 2.6 Si , N
High-alloy austenitic stainless steels and nickel alloys (prefix standard THT, TST, TST-E or THE)
2RK65 <0.020 20 25 4.5 Cu
Sanicro 28 <0.020 27 31 3.5 Cu
2RE10 <0.015 24.5 20.5 - -
2RE69 <0.020 25 22 2.1 N
254 SMO <0.020 20 18 6.1 N , Cu
Sanicro 30 <0.030 20 32 - Ti , Al
Sanicro 41 <0.030 20 38.5 2.6 Cu , Ti
Sanicro 69 <0.020 30 60 - Fe
High temperature grades (prefix standard THR)
4C54 <0.20 26.5 - - N
7RE10 0.06 24.5 21 - -
253 MA 0.08 21 11 - Si , N , CE
353 MA 0.05 25 35 - N , Ce
Sanicro 31HT 0.07 21 31 - Ti , Al
8RE18 0.07 22.5 14 - -
Esshete 1250 0.1 15 9.5 1.0 Mn , V , Nb , B
Sanicro 70 <0.05 16.5 72.5 - Fe
Special grades for machining (prefix standard THB)
SANMAC 304/304L <0.030 18.5 9.5 - -
SANMAC 316/316L <0.030 16.5 11 2.1 -
SANMAC 4435 <0.030 17.5 12.5 2.6 -
SANMAC 4571 0.030 17 11 2.1 Ti
SANMAC SAF 2205 <0.030 22 5.5 3.2 N
10RE51 0.04 26 5 1.3 -
SANMAC 4305 <0.035 17.5 9.5 - Cu , S

Special grades for machining (prefix standard THB)

By standard
Designation UNS ASTM TP SS Werkstoff-Nr. AFNOR
Austenitic stainless steels (prefix standard THT,TST,TST-E or THE)
3R12 S304400/S30403 304/304L 2352 1.4306/1.4301 Z2CN18-10
3R60 S31603 316/316L 2353 1.4435 Z2CND17-13
3R65 S31603 316/316L 2348 1.4404 Z2CND17-12
6R35 S32100/S32109 321/321H 2337 1.4541/1.48781) (Z6CNT18-10)
5R75 (S31635)** (316Ti)** 2350 1.4571 (Z6CNDT17-12)
5R10 S30400/S30409 304/304H 2333 1.4301 Z6CN18-09
3R19 S30453 304LN 2371 1.4311 (Z2NC18-10AZ)*
5R60 S31600/S31609 316/316H 2343 1.4436 Z6CND17-12
3R64 S31703 317L 2367 (1.4438)* (Z3CND19-15-04)**
3R68 - - - 1.4439 -
8R40 S34700/S34709 347/347H 2338 1.4550 Z6CNNb18-10
8R41 - - - 1.4961 -
3R60 U.G. S31603 316L - 1.4435 (Z2CND17-12)*
Duplex stainless steels (prefix standard THT,TST,TST-E or THE)
SAF 2304 S32304 - 2327 1.4362 Z2NC23-04AZ
SAF 2205 S31803/S32205 - 2377 1.4462 Z2CND22-05-03
SAF 2507 S32750 - 2328 - -
3RE60 S31500 - 2376 1.4417 Z2CND18-05-03
High-alloy austenitic stainless steels and nickel alloys (prefix standard THT, TST, TST-E or THE)
2RK65 N08904 - 2562 1.4539 Z1NCDU25-20-04
Sanicro 28 N08028 - 2584 1.4563 Z1NCDU31-27-03
2RE10 S31002 - - 1.4335 Z2CN25-20
2RE69 S31050 - - 1.4466 6) Z1CND25-22AZ
254 SMO S31254 - 2378 (1.4529)* Z1CNDU20-18-06AZ
Sanicro 30 N08800 Alloy 800 - 1.4558 -
Sanicro 41 N08825 Alloy 825 - 2.4858 -
Sanicro 69 N06690 Alloy 690 - 2.4642 NC30FE(RCCM)
High temperature grades (prefix standard THR)
4C54 S44600 446-1 2322 1.4749 -
7RE10 S31008 310s,310h 2361 1.4845 Z12CN25-20
253 MA S30815 - 2368 (1.4893) -
353 MA S35315 - - - -
Sanicro 31HT N08811/N08810 - - 1.49592) 1.48762)3) -
8RE18 S30908/S30909 309S,309H - 1.4833 -
Esshete 1250 S21500 - - - -
Sanicro 70 N06600 Alloy 600 - 2.4816 -
SANMAC 304/304L S30400/S30403 304/304L 2352/2333 1.4301 Z2CN18-10/Z6CN18-09
SANMAC 316/316L S31600/S31603 316/316L 2348/2347 1.4404/1.4401 Z2CND17-12
SANMAC 4435 S31600/S31603 316/316L 2353/2343 1.4435/1.4436 Z2CND17-13
SANMAC 4571 (S31635)** (316Ti)** 2350 1.4571 -
SANMAC SAF 2205 S31803 - 2377 1.4462 Z2CND22-05-03
10RE51 S23900 - 2324 1.4460 5) -
SANMAC 4305 S30300 303 2346 1.4305 -
By mechanical properties
Designation Proof strength
Rp0.2
MPa, min.
Tensile
Strength, Rm
MPa
Elongation
A
%.min
Austenitic stainless steels (prefix standard THT,TST,TST-E or THE)
3R12 210 515-680 45
3R60 220 515-690 45
3R65 220 515-690 45
6R35 210 515-690 45
5R75 220 510-710 45
5R10 210 515-690 45
3R19 275 550-750 40
5R60 220 515-690 40
3R64 220 515-690 35
3R68 285 580-800 35
8R40 220 515-690 35
8R41 210 510-690 35
3R60 U.G. 190 490-690 40
Duplex stainless steels (prefix standard THT,TST,TST-E or THE)
SAF 2304 400 600-820 25
SAF 2205 450 680-880 25
SAF 2507 550 800-1000 25
3RE60 450 700-800 30
High-alloy austenitic stainless steels and nickel alloys (prefix standard THT, TST, TST-E or THE)
2RK65 230 520-720 35
Sanicro 28 220 550-750 40
2RE10 210 500-670 35
2RE69 270 580-780 30
254 SMO 310 655-850 35
Sanicro 30 205 520-690 30
Sanicro 41 240 590-750 30
Sanicro 69 240 >585 30
High temperature grades (prefix standard THR)
4C54 275 500-700 20
7RE10 220 515-750 35
253 MA 310 650-850 40
353 MA 270 650-750 40
Sanicro 31HT 170 500-700 35
8RE18 205 >515 35
Esshete 1250 220 540-740 35
Sanicro 70 245 >560 35
Special grades for machining (prefix standard THB)
SANMAC 304/304L 210 515-680 40 4)
SANMAC 316/316L 220 515-690 40 4)
SANMAC 4435 220 515-690 40 4)
SANMAC 4571 220 510-710 35
SANMAC SAF 2205 450 680-880 25
10RE51 485 620-800 20
SANMAC 4305 215 500-700 45

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