Chemical Composition

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Stainless Steel Chemical Compositions

Common Grade UNS Number Composition(s), %
C Si Mn P (max) S (max) Ni Cr Mo Others
TP 304 S30400 <=0.08 <=0.75 <=2.00 0.04 0.03 8.00-11.00 18.00-20.00 - -
TP 304 H S30409 0.04-0.10 <=0.75 <=2.00 0.04 0.03 8.00-11.00 18.00-20.00 - -
TP 304 L S30403 <=0.035 <=0.75 <=2.00 0.04 0.03 8.00-13.00 18.00-20.00 - -
TP 304 N S30451 <=0.08 <=0.75 <=2.00 0.04 0.03 8.00-11.00 18.00-20.00 - N: 0.10-0.16
TP 304 LN S30453 <=0.035 <=0.75 <=2.00 0.04 0.03 8.00-11.00 18.00-20.00 - N: 0.10-0.16
TP 309 S30900 <=0.15 <=0.75 <=2.00 0.04 0.03 12.00-15.00 22.00-24.00 - -
TP 310 S31000 <=0.15 <=0.75 <=2.00 0.04 0.03 19.00-22.00 24.00-26.00 - -
TP 316 S31600 <=0.08 <=0.75 <=2.00 0.04 0.03 11.00-14.00 16.00-18.00 2.00-3.00 -
TP 316 H S31609 0.04 <=0.10 <=0.75 <=2.00 0.04 0.03 11.00-14.00 16.00-18.00 2.00-3.00 -
TP 316 L S31603 <=0.035 <=0.75 <=2.00 0.04 0.03 10.00-15.00 16.00-18.00 2.00-3.00 -
TP 316 N S31651 <=0.08 <=0.75 <=2.00 0.04 0.03 11.00-14.00 16.00-18.00 2.00-3.00 N: 0.10-0.16
TP 316 LN S31653 <=0.035 <=0.75 <=2.00 0.04 0.03 10.00-15.00 16.00-18.00 2.00-3.00 N: 0.10-0.16
TP 317 S31700 <=0.08 <=0.75 <=2.00 0.04 0.03 11.00-14.00 18.00-20.00 3.00-4.00 -
TP 321 S32100 <=0.08 <=0.75 <=2.00 0.04 0.03 9.00-13.00 17.00-20.00 - Ti: 5 x C% - 0.70 B
TP 321 H S32109 0.04-0.10 <=0.75 <=2.00 0.04 0.03 9.00-13.00 17.00-20.00 - Ti: 4 x C% - 0.60
TP 347 S34700 <=0.08 <=0.75 <=2.00 0.04 0.03 9.00-13.00 17.00-20.00 - Nb + Ta: 10 x C% - 1.00
TP 347 H S34709 0.04-0.10 <=0.75 <=2.00 0.04 0.03 9.00-13.00 17.00-20.00 - Nb + Ta: 8 x C% - 1.0
TP 405 S40500 <=0.08 <=0.75 <=1.00 0.04 0.03 <=0.50 11.5-13.5 - Al: 0.10-0.30
TP 410 S41000 <=0.015 <=0.75 <=1.00 0.04 0.03 <=0.50 11.5-13.5 - -
TP 429 S42900 <=0.012 <=0.75 <=1.00 0.04 0.03 <=0.50 14.00-16.00 - -
TP 430 S43000 <=0.012 <=0.75 <=1.00 0.04 0.03 <=0.50 16.00-18.00 - -
TP 443 S44300 <=0.20 <=0.75 <=1.00 0.04 0.03 <=0.50 18.00-23.10 - Cu: 0.90-1.25
TP 446 S44600 <=0.20 <=0.75 <=1.50 0.04 0.03 <=0.50 23.00-30.00 - N: 0.10-0.25
TP 329 S32900 <=0.089 <=0.75 <=1.00 0.04 0.03 2.50-5.00 23.00-28.00 1.00<=2.00 -
TP 409 S40900 <=0.089 <=1.00 <=1.00 0.045 0.05 <=0.50 10.50-11.75 - Ti: 6 x C% - 0.75
TP 316 Ti S31635 <=0.08 <=0.75 <=2.00 0.04 0.03 11.00-14.00 16.00-18.00 2.00-3.00 Ti: 5 x C% - 0.75
Nitronic 60 S21800 0.1 3.5-4.5 7.0-9.0 0.06 0.03 8.0-9.0 16.0-18.0 - 0.08-0.18N
253MA S30815 0.1 1.40-2.00 0.8 0.04 0.03 10.0-12.0 20.0-22.0 - 0.03-0.08 Ce; 0.14-0.20 N
254 SMO S31254 0.02 0.8 1 0.03 0.01 17.5-18.5 19.5-20.5 - 6.00-6.50 Mo; 0.50-1.00 Cu; 0.18-0.22N
Sanicro 28 N08028 0.02 1 2.5 0.03 0.03 29.5-32.5 26.0-28.0 - 3.0-4,.0 Mo; 0.6-1.4 Cu
AL-6X N08366 0.03 1 2 0.03 0.03 23.5-25.5 20.0-22.0 - 6.0-7.0 Mo
904L N08904 0.02 1 2 0.045 0.035 23.0-28.0 19.0-23.0 -

Duplex Stainless Steel Chemical Compositions

 
Grade UNS Number Composition(s), %
C Mn Si Cr Ni P S O
S31500 3RE60 0.030 1.5-2.0 1.4-2.0 18.0-19.0 4.25-5.25 0.030 0.030 2.5-3.0 mO
S31803 2205 0.030 2.0 1.0 21.0-23.0 4.5-6.5 0.040 0.020 2.5-3.5 Mo; 0.08-0.20 N
S32550 Ferralium 255 0.030 1.5 1.0 24.0-27.0 4.5-6.5 0.040 0.030 1.5-2.5 Cu; 0.10-0.25 N;









2.0-4.0 Mo
S32750 SAF2507 0.030 max 1.2 max 0.8 max 25 max 7 .035 max .020

Nickel Alloy Chemical Composition

UNS Number Alloy Nominal Composition. wt %
C Mn S Si Cr Ni Mo Cu Ti Fe Others
N02200 Nickel 200 0.08 0.18 0.005 0.18 ... 99.5(a) ... 0.13 ... 0.20 ...
N02201 Nickel 201 0.01 0.18 0.005 0.18 ... 99.6(a) ... 0.13 ... 0.20 ...
N04400 Monel 400 0.15 1.0 0.012 0.25 ... 66.5(a) ... 31.5 ... 1.25 ...
N05500 Monel K-500 0.13 0.75 0.005 0.25 ... 66.5(a) ... 29.5 0.60 1.00 2.73 Al
N10665 Hastelloy B 0.05 max 1.00 ... 1.00 1.00 61.0 28.00 ... ... 5.00 2.50 Co
- Hastelloy D 0.12 0.90 ... 9.25 1.00 82.0 ... 3.00 ... 2.00 1.50 Co
N06600 Inconel 600 0.08 0.50 0.008 0.25 15.50 76.0(a) ... 0.25 ... 8.00 ...
N08800 Inconel 800 0.05 0.75 0.008 0.50 21.00 32.5 ... 0.38 0.38 46.0 0.38 Al
N10276 Hastelloy C-276 0.01 0.50 0.020 0.03 15.50 57.0 16.00 ... ... 5.5 0.02 P; 3.75 W'; 0.2 V; 1.25 Co
N06025 Inconel 625 0.05 0.25 0.008 0.25 21.50 61.0(a) 9.0 ... 0.20 2.5 0.2 Al; 3.65 Cb + Ta
N08825 Incoloy 825 0.03 0.50 0.015 0.25 21.50 42.0 3.0 2.25 0.90 30.0 .
N06030 Hastelloy G 0.03 1.50 0.020 0.50 22.25 44.0 6.5 2.00 ... 19.50 0.02 P; 0.50 W; 1.25 Co; 2.10 Cb + Ta
N08020 20Cb-3 0.04 1.00 0.020 0.50 20.00 34.0 2.5 3.50 ... ... 0.02 P; 0.50 Cb + Ta

Titanium Chemical Composition

UNS Number Alloy Unalloyed Grades Composition(s), % (max)
N C H Fe O Ti Others
R50250 ASTM Grade 1 0.03 0.10 0.015 0.20 0.18 99.5 -
R50400 ASTM Grade 2 0.03 0.10 0.015 0.30 0.25 99.2 -
R50550 ASTM Grade 3 0.05 0.10 0.015 0.30 0.35 99.1 -
R50700 ASTM Grade 4 0.05 0.10 0.015 0.50 0.40 99.0 -
R52400 ASTM Grade 7 0.03 0.10 0.015 0.30 0.25 99.0 0.20 Pd