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General Metallic Materials of ASME Pressure Piping Code 1
Code Grade Chemical Composition %，max Mechanical Requirement
C Si Mn P s Cr Ni Mo Other T.S. min MPa Y.S. min MPa EL. min % HB max Other
ASTM A 53/ ASME SA 53 B /SMLS 0.30 - 1.20 0.05 0.045 0.40 0.40 0.15 Cu:0.40;V:0.08 415 240 e2) - -
B/ERW 0.30 - 1.20 0.05 0.045 0.40 0.40 0.15 Cu:0.50;V:0.08 415 240 e2) - -
ASTM A 105/ ASME SA 105/ A1051)3)4) 0.35 0.10-0.35 0.60-1.05 0.035 0.040 0.30 0.40 0.12 Cu:0.40;V:0.08   250 22 187 Z >= 30%
ASTM A 106/ ASME SA 106 B1)3) 0.30 0.10 min 0.29-1.06 0.035 0.035 0.40 0.40 0.15 Cu:0.40;V:0.08 415 240 22 - -
C1)3) 0.35 0.10 min 0.29-1.06 0.035 0.035 0.40 0.40 0.15 Cu:0.40;V:0.08 485 275 20 - -
ASTM A 182/ ASME SA 182 F5 0.15 0.50 0.30-0.60 0.030 0.030 4.0-6.0 0.50 0.44-0.65 - 485 275 20 143-217 Z >= 35%
F9 0.15 0.50-1.00 0.30-0.60 0.030 0.030 8.0-10.0 - 0.90-1.10 - 585 380 20 179-217 Z >= 40%
F91 0.08-0.12 0.20-0.50 0.30-0.60 0.020 0.010 8.0-9.5 0.40 0.85-1.05 5) 585 415 20 248 Z >= 40%
F11 CL1 0.05-0.15 0.50-1.00 0.30-0.60 0.030 0.030 1.00-1.50 - 0.44-0.65 - 415 205 20 121-174 Z >= 45%
F11 CL2 0.10-0.20 0.50-1.00 0.30-0.80 0.040 0.040 1.00-1.50 - 0.44-0.65 - 485 275 20 143-207 Z >= 30%
F11 CL3 0.10-0.20 0.50-1.00 0.30-0.80 0.040 0.040 1.00-1.50 - 0.44-0.65 - 515 310 20 156-207 Z >= 30%
F12 CL1 0.05-0.15 0.50 0.30-0.60 0.045 0.045 0.80-1.25 - 0.44-0.65 - 415 220 20 121-174 Z >= 45%
F12 CL2 0.10-0.20 0.10-0.60 0.30-0.80 0.040 0.040 0.80-1.25 - 0.44-0.65 - 485 275 20 143-207 Z >= 30%
F22 CL1 0.05-0.15 0.50 0.30-0.60 0.040 0.040 2.00-2.50 - 0.87-1.13 - 415 205 20 170 Z >= 35%
F22 CL3 0.05-0.15 0.50 0.30-0.60 0.040 0.040 2.00-2.50 - 0.87-1.13 - 515 310 20 156-207 Z >= 30%
F3046) 0.08 1.00 2.00 0.045 0.030 18.0-20.0 8.0-11.0 - - 515 205 30 - Z >= 50%
F304H 0.04-0.10 1.00 2.00 0.045 0.030 18.0-20.0 8.0-11.0 - - 515 205 30 - Z >= 50%
F304L6) 0.030 1.00 2.00 0.045 0.030 18.0-20.0 8.0-13.0 - - 485 170 30 - Z >= 50%
F3166) 0.08 1.00 2.00 0.045 0.030 16.0-18.0 10.0-14.0 2.00-3.00 - 515 205 30 - Z >= 50%
F316H 0.04-0.10 1.00 2.00 0.045 0.030 16.0-18.0 10.0-14.0 2.00-3.00 - 515 205 30 - Z >= 50%
F316L6) 0.030 1.00 2.00 0.045 0.030 16.0-18.0 10.0-15.0 2.00-3.00 - 485 170 30 - Z >= 50%
F321 0.08 1.00 2.00 0.045 0.030 17.0-19.0 9.0-12.0 - Ti:5C-0.7 515 205 30 - Z >= 50%
F321H 0.04-0.10 1.00 2.00 0.045 0.030 17.0-19.0 9.0-12.0 - Ti:4C-0.7 515 205 30 - Z >= 50%
F347 0.08 1.00 2.00 0.045 0.030 17.0-20.0 9.0-13.0 - Nb:10C-1.10 515 205 30 - Z >= 50%
F347H 0.04-0.10 1.00 2.00 0.045 0.030 17.0-20.0 9.0-13.0 - Nb:8C-1.10 515 205 30 - Z >= 50%
F51 0.030 1.00 2.00 0.030 0.020 21.0-23.0 4.5-6.5 2.5-3.5 N:0.08-0.20 620 450 25 - Z >= 45%
F60 0.030 1.00 2.00 0.030 0.020 22.0-23.0 4.5-6.5 3.0-3.5 N:0.14-0.20 655 485 25 - Z >= 45%

NOTE:
1) The sum of Cu, Ni, Cr, Mo and V shall not exceed 1.00 %.
2) e = 1940A0.2/U0.9 ； Details refer the specification.
3) Below the specified max.C, If the content C decreases each 0.01 %, an increase of 0.06% manganese will be permitted up to a  maximum of 1.35%.
4) The sum of chromium and molybdenum shall not exceed 0.32 %.
5) Nb:0.06-0.10, N:0.03-0.07, Al:0.02, V:0.18-0.25, Ti:0.01, Zr:0.01.
6) Grades F304, F304L, F316 and F316L shall have a maximum nitrogen content of 0.10%.
 
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