About Compositions

  JSTDesignation / Grade %C(Max) %Mn (Max) %P(Max) %S (Max) %Si (Max) %Cr %Ni %Mo N PPM(max) %OTHERS
Austenitic Cr-Mn* J-201# 0.15 5.5-7.5 0.060 0.030 1.00 16.00-18.00 3.50-5.50 - 2500 -
J-201L 0.030 5.5-7.5 0.045 0.030 0.75 16.00-18.00 3.50-5.50 - 2500 -
J- 201LN 0.030 6.4-7.5 0.045 0.015 0.75 16.00-17.50 4.00-5.00 - 1000-2500 Cu = 1.0 Max.
J-202 0.15 7.5-10.0 0.060 0.030 1.00 17.00-19.00 4.00-6.00 - 2500 -
J-204 Cu 0.10 6.5-9.0 0.060 0.010 0.75 16.00-17.50 1.50-3.50 - 1000-2000 Cu = 2.0-4.0
JSLAUS (J1) 0.08 6.0-8.0 0.070 0.010 0.75 16.00-18.00 4.00-6.00 - 1000 Cu =1.5-2.0
J-4 0.10 8.50-10.0 0.080 0.010 0.75 15.00-16.00 1.00-2.00 - 2000 Cu = 1.5-2.0
Austenitic Cr-Ni J-301 0.15 2.00 0.045 0.030 1.00 16.00-18.00 6.00-8.00 - 1000 -
J- 301L 0.030 2.00 0.045 0.030 1.00 16.00-18.00 6.00-8.00 - 2000 -
J- 301LN 0.030 2.00 0.045 0.030 1.00 16.00-18.00 6.00-8.00 - 700-2000 -
J- 304 0.07 2.00 0.045 0.030 0.75 17.50-19.50 8.00-10.50 - 1000 -
J- 304M 0.04-0.10 2.00 0.045 0.030 0.75 18.00-.20.00 8.00-10.50 - - -
J-304L 0.030 2.00 0.045 0.030 0.75 17.50-19.50 8.00-12.00 - 1000  
J-304LLN 0.030 2.00 0.045 0.030 0.75 18.00-.20.00 8.00-12.00 - 1000-1600  
J-309 0.20 2.00 0.045 0.030 0.75 22.00-24.00 12.00-15.00 - -  
J-309S 0.08 2.00 0.045 0.030 0.75 22.00-24.00 12.00-15.00 - -  
J- 310 0.25 2.00 0.045 0.030 1.50 24.00-26.00 19.00-22.00 - -  
J-310S 0.08 2.00 0.045 0.030 1.50 24.00-26.00 19.00-22.00 - -  
J- 316 0.08 2.00 0.045 0.030 0.75 16.00-18.00 10.00-14.00 2.00-3.00 1000  
J-316L 0.030 2.00 0.045 0.030 0.75 16.00-18.00 10.00-14.00 2.00-3.00 1000  
J-316LN 0.030 2.00 0.045 0.030 0.75 16.00-18.00 10.00-14.00 2.00-3.00 1000-1600  
J-316Ti 0.08 2.00 0.045 0.030 0.75 16.00-18.00 10.00-14.00 2.00-3.00 1000 Ti=5X(C+N)Min., 0.70Max.
J-317 0.08 2.00 0.045 0.030 0.75 18.00-.20.00 11.00-15.00 3.00-4.00 1000 -
J-317L 0.030 2.00 0.045 0.030 0.75 18.00-.20.00 11.00-15.00 3.00-4.00 1000 -
J-317LN 0.030 2.00 0.045 0.030 0.75 18.00-.20.00 11.00-15.00 3.00-4.00 1000-2200 -
J-31727 0.030 1.00 0.030 0.030 1.00 17.00-19.00 14.50-16.50 3.00-4.50 1500-2100 Cu=2.8-4.0
J-321 0.08 2.00 0.045 0.030 0.75 17.00-19.00 9.00-12.00 - 1000 Ti=5X(C+N)Min., 0.70Max.
J- 347 0.08 2.00 0.045 0.030 0.75 17.00-19.00 9.00-13.00 - - Nb=10XC Min., 1.00 Max.
Martensitic J-410 0.08-0.15 1.00 0.040 0.030 1.00 11.50-13.50 0.75max - - -
J-415 0.05 0.50-1.00 0.030 0.030 0.60 11.50-14.00 3.50-5.50 0.50-1.00 - -
J-420 .0.15min 1.00 0.040 0.030 1.00 12.00-14.00 0.75max 0.50max - -
J-431 0.20 1.00 0.040 0.030 1.00 15.00-17.00 1.25-2.50 - - -
JBS 0.6-0.7 1.00 0.030 0.015 0.75 12.50-13.50 - - - -
Ferritic J-405 0.08 1.00 0.040 0.030 1.00 11.50-14.50 0.60 - - Al=0.10-0.30
J-409 0.030 1.00 0.040 0.020 1.00 10.50-11.70 0.50max - - Ti=6X(C+N)Min., 0.5Max
J-409L 0.030 1.00 0.040 0.030 1.00 10.50-11.70 0.50max - 300 Ti=6X(C+N)Min., 0.75Max
J-410S 0.08 1.00 0.040 0.030 1.00 11.50-13.50 0.60max - - -
J-430 0.12 1.00 0.040 0.030 1.00 16.00-18.00 0.75max - - -
J-430Ti 0.030 1.00 0.040 0.030 1.00 16.00-19.00 - - - Ti=0.10-1.00
J-436 0.120 1.00 0.040 0.030 1.00 16.00-18.00 - 0.75-1.25 - Nb=5XC Min., 0.70Max.
J-436L 0.025 1.00 0.040 0.030 1.00 16.00-19.00 - 0.75-1.25 250 %Nb or Ti or %combination =8X(C+N) Min., 0.80 Max.
J-439 0.030 1.00 0.040 0.030 1.00 17.00-19.00 0.50max - 300 Ti=0.20+4X(C+N) Min., 1.10Max. Al=0.15Max.
J-441 0.030 1.00 0.040 0.015 1.00 17.50-18.50 - - - Nb=3X% C+0.3Min. 1%Max., T1=0.1-0.6%
Ferritic+Martensitic J-409M 0.30 0.8-1.5 0.030 0.030 1.00 10.80-12.50 1.50max - 300 Ti=0.75Max.
Duplex(Austenitic+Ferritic ) J-2205 0.030 2.00 0.030 0.020 1.00 22.00-23.00 4.50-6.50 3.0-3.50 1400-2000 -
  J-2304 0.030 2.50 0.040 0.030 1.00 21.50-24.50 3.00-5.50 0.05-0.6 500-2000 Cu 0.05 Min.-06-0.60Max.
J-31803 0.030 2.00 0.030 0.020 1.00 21.00-23.00 4.50-6.50 2.50-3.50 800-2000 -
  JST Designation/Grade Tensile Strength MPa(min) Yield strength MPa(min) %Elongation (min) Hardness Rockwell B (max)
Austenitic Cr-Mn* J-201# 655 310 40 100
J-201L 655 260 40 95
J- 201LN 655 310 45 100
J-202 620 260 40 100
J-204 Cu 620 310 40 100
JSLAUS (J1) 550 205 40 95
J-4 650 325 40 100
Austenitic Cr-Ni J-301 515 205 40 95
J- 301L 550 220 45 100
J- 301LN 550 240 45 100
J- 304 515 205 40 92
J- 304M 515 205 40 92
J-304L 485 170 40 92
J-304LLN 515 205 40 95
J-309 515 205 40 95
J-309S 515 205 40 95
J- 310 515 205 40 95
J-310S 515 205 40 95
J- 316 515 205 40 95
J-316L 485 170 40 95
J-316LN 515 205 40 95
J-316Ti 515 205 40 95
J-317 515 205 35 95
J-317L 515 205 40 95
J-317LN 550 240 40 95
J-31727 550 245 35 96
J-321 515 205 40 95
J- 347 515 205 40 92
Martensitic J-410 450 205 20 96
J-415 795 620 15 32rc
J-420 690 - 15 96
J-431 - - - 29rc
JBS - - - -
Ferritic J-405 415 171 20 88
J-409 380 170 20 88
J-409L 380 170 20 88
J-410S 415 205 22 89
J-430 450 205 22 89
J-430Ti 360 175 22 90
J-436 450 240 22 89
J-436L 410 245 20 96
J-439 415 205 22 89
J-441 430 250 18 88
Ferritic+Martensitic J-409M 450 275 20 90
Duplex(Austenitic+Ferritic ) J-2205 655 450 25 31rc
  J-2304 600 400 25 32rc
J-31803 620 450 25 31rc