Austenitic Stainless Steel Grades
201
UNS S20100
Fe
Iron (Base)~68%
Cr
Chromium16-18%
Mn
Manganese5.5-7.5%
Ni
Nickel3.5-5.5%
N
Nitrogen≤0.25%
Si
Silicon≤1%
C
Carbon≤0.15%
P
Phosphorus≤0.06%
S
Sulfur≤0.03%
202
UNS S20200
Fe
Iron (Base)~67%
Cr
Chromium17-19%
Mn
Manganese7.5-10%
Ni
Nickel4-6%
N
Nitrogen≤0.25%
Si
Silicon≤1%
C
Carbon≤0.15%
P
Phosphorus≤0.06%
S
Sulfur≤0.03%
301
UNS S30100
Fe
Iron (Base)~70%
Cr
Chromium16-18%
Ni
Nickel6-8%
C
Carbon≤0.15%
Si
Silicon≤1%
Mn
Manganese≤2%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
302
UNS S30200
Fe
Iron (Base)~69%
Cr
Chromium17-19%
Ni
Nickel8-10%
C
Carbon≤0.15%
Si
Silicon≤1%
Mn
Manganese≤2%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
303
UNS S30300
Fe
Iron (Base)~67%
Cr
Chromium17-19%
Ni
Nickel8-10%
S
Sulfur≥0.15%
P
Phosphorus≤0.2%
Mn
Manganese≤2%
Si
Silicon≤1%
C
Carbon≤0.15%
304
UNS S30400
Fe
Iron (Base)
Balance (~68%)
Cr
Chromium
18-20%
Ni
Nickel
8-10.5%
C
Carbon
≤0.08%
Si
Silicon
≤1%
Mn
Manganese
≤2%
P
Phosphorus
≤0.045%
S
Sulfur
≤0.03%
304L
UNS S30403
Fe
Iron (Base)
Balance (~69%)
Cr
Chromium
18-20%
Ni
Nickel
8-12%
C
Carbon
≤0.03%
Si
Silicon
≤1%
Mn
Manganese
≤2%
P
Phosphorus
≤0.045%
S
Sulfur
≤0.03%
304LN
UNS S30453
Fe
Iron (Base)
Balance (~68%)
Cr
Chromium
18-20%
Ni
Nickel
8-10.5%
N
Nitrogen
0.1-0.16%
C
Carbon
≤0.03%
Si
Silicon
≤1%
Mn
Manganese
≤2%
P
Phosphorus
≤0.045%
S
Sulfur
≤0.03%
304H
UNS S30409
Fe
Iron (Base)
Balance (~68%)
Cr
Chromium
18-20%
Ni
Nickel
8-10.5%
C
Carbon
0.04-0.1%
Si
Silicon
≤1%
Mn
Manganese
≤2%
P
Phosphorus
≤0.045%
S
Sulfur
≤0.03%
309
UNS S30900
Fe
Iron (Base)
Balance (~53%)
Cr
Chromium
22-24%
Ni
Nickel
12-15%
C
Carbon
0.04-0.2%
Si
Silicon
≤1%
Mn
Manganese
≤2%
P
Phosphorus
≤0.045%
S
Sulfur
≤0.03%
309S
UNS S30908
Fe
Iron (Base)
Balance (~54%)
Cr
Chromium
22-24%
Ni
Nickel
12-15%
Si
Silicon
≤1%
Mn
Manganese
≤2%
C
Carbon
≤0.08%
P
Phosphorus
≤0.045%
S
Sulfur
≤0.03%
310H
UNS S31009
Fe
Iron (Base)
Balance (~48%)
Cr
Chromium
24-26%
Ni
Nickel
19-22%
C
Carbon
0.1-0.4%
Si
Silicon
≤1.5%
Mn
Manganese
≤2%
P
Phosphorus
≤0.045%
S
Sulfur
≤0.03%
310S
UNS S31008
Fe
Iron (Base)
Balance (~50%)
Cr
Chromium
24-26%
Ni
Nickel
19-22%
Si
Silicon
≤1.5%
Mn
Manganese
≤2%
C
Carbon
≤0.08%
P
Phosphorus
≤0.045%
S
Sulfur
≤0.03%
316
UNS S31600
Fe
Iron (Base)~65%
Cr
Chromium16-18%
Ni
Nickel10-14%
Mo
Molybdenum2-3%
Si
Silicon≤1%
Mn
Manganese≤2%
C
Carbon≤0.08%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
316L
UNS S31603
Fe
Iron (Base)~66%
Cr
Chromium16-18%
Ni
Nickel10-14%
Mo
Molybdenum2-3%
Si
Silicon≤1%
Mn
Manganese≤2%
C
Carbon≤0.03%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
316LN
UNS S31653
Fe
Iron (Base)~65%
Cr
Chromium16-18%
Ni
Nickel10-14%
Mo
Molybdenum2-3%
N
Nitrogen0.1-0.16%
Si
Silicon≤1%
Mn
Manganese≤2%
C
Carbon≤0.03%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
316Ti
UNS S31635
Fe
Iron (Base)~65%
Cr
Chromium16-18%
Ni
Nickel10-14%
Mo
Molybdenum2-3%
Ti
Titanium5×C% min
Si
Silicon≤1%
Mn
Manganese≤2%
C
Carbon≤0.08%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
317
UNS S31700
Fe
Iron (Base)~63%
Cr
Chromium18-20%
Ni
Nickel11-15%
Mo
Molybdenum3-4%
Si
Silicon≤1%
Mn
Manganese≤2%
C
Carbon≤0.08%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
317L
UNS S31703
Fe
Iron (Base)~64%
Cr
Chromium18-20%
Ni
Nickel11-15%
Mo
Molybdenum3-4%
Si
Silicon≤1%
Mn
Manganese≤2%
C
Carbon≤0.03%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
317LN
UNS S31753
Fe
Iron (Base)~63%
Cr
Chromium18-20%
Ni
Nickel11-15%
Mo
Molybdenum3-4%
N
Nitrogen0.1-0.16%
Si
Silicon≤1%
Mn
Manganese≤2%
C
Carbon≤0.03%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
321
UNS S32100
Fe
Iron (Base)~68%
Cr
Chromium17-19%
Ni
Nickel9-12%
Ti
Titanium5×C% min
Si
Silicon≤1%
Mn
Manganese≤2%
C
Carbon≤0.08%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
321H
UNS S32109
Fe
Iron (Base)~67%
Cr
Chromium17-19%
Ni
Nickel9-12%
Ti
Titanium≥5×C%
Si
Silicon≤1%
Mn
Manganese≤2%
C
Carbon0.04–0.10%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
347H
UNS S34709
Fe
Iron (Base)~66.5%
Cr
Chromium17–19%
Ni
Nickel9–13%
Nb
Niobium (Stabilizer)10×C% min
Si
Silicon≤1%
Mn
Manganese≤2%
C
Carbon0.04–0.10%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
347
UNS S34700
Fe
Iron (Base)~67%
Cr
Chromium17-19%
Ni
Nickel9-13%
Nb
Niobium10×C% min
Si
Silicon≤1%
Mn
Manganese≤2%
C
Carbon≤0.08%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
904L
UNS N08904
Fe
Iron (Base)~50%
Cr
Chromium19-23%
Ni
Nickel23-28%
Mo
Molybdenum4-5%
Cu
Copper1-2%
Mn
Manganese≤2%
Si
Silicon≤1%
C
Carbon≤0.02%
P
Phosphorus≤0.045%
S
Sulfur≤0.035%
N
Nitrogen≤0.1%
Ferritic Stainless Steel Grades
410
UNS S41000
Fe
Iron (Base)~84%
Cr
Chromium11.5-13.5%
C
Carbon0.08-0.15%
Mn
Manganese≤1%
Si
Silicon≤1%
P
Phosphorus≤0.04%
S
Sulfur≤0.03%
410S
UNS S41008
Fe
Iron (Base)~86%
Cr
Chromium11.5-13.5%
C
Carbon≤0.08%
Mn
Manganese≤1%
Si
Silicon≤1%
P
Phosphorus≤0.04%
S
Sulfur≤0.03%
429
UNS S42900
Fe
Iron (Base)~85%
Cr
Chromium14-16%
Si
Silicon≤1%
Mn
Manganese≤1%
C
Carbon≤0.12%
P
Phosphorus≤0.04%
S
Sulfur≤0.03%
N
Nitrogen≤0.5%
430
UNS S43000
Fe
Iron (Base)~82%
Cr
Chromium16-18%
Si
Silicon≤1%
Mn
Manganese≤1%
C
Carbon≤0.12%
P
Phosphorus≤0.04%
S
Sulfur≤0.03%
N
Nitrogen≤0.5%
439
UNS S43035
Fe
Iron (Base)~82%
Cr
Chromium17-19%
Ti
Titanium0.2-0.8%
Mn
Manganese≤1%
Si
Silicon≤1%
C
Carbon≤0.03%
P
Phosphorus≤0.04%
S
Sulfur≤0.03%
N
Nitrogen≤0.04%
444
UNS S44400
Fe
Iron (Base)~78%
Cr
Chromium17.5-19.5%
Mo
Molybdenum1.75-2.5%
Nb+Ti
Niobium+Titanium0.2-1.0%
Si
Silicon≤1%
Mn
Manganese≤1%
C
Carbon≤0.025%
N
Nitrogen≤0.035%
P
Phosphorus≤0.04%
S
Sulfur≤0.03%
446
UNS S44600
Fe
Iron (Base)~72%
Cr
Chromium23-27%
Mn
Manganese≤1.5%
Si
Silicon≤1%
N
Nitrogen≤0.25%
C
Carbon≤0.2%
P
Phosphorus≤0.04%
S
Sulfur≤0.03%
409L
UNS S40900
Fe
Iron (Base)~86%
Cr
Chromium10.5-11.75%
Ti
Titanium6×C min (≈0.3-0.6%)
Mn
Manganese≤1%
Si
Silicon≤1%
C
Carbon≤0.03%
N
Nitrogen≤0.03%
P
Phosphorus≤0.045%
S
Sulfur≤0.03%
Duplex & Super Duplex Stainless Steel Grades
2205
UNS S31803
Fe
Iron (Base)~62%
Cr
Chromium21-23%
Ni
Nickel4.5-6.5%
Mo
Molybdenum2.5-3.5%
N
Nitrogen0.08-0.2%
Mn
Manganese≤2%
Si
Silicon≤1%
C
Carbon≤0.03%
P
Phosphorus≤0.03%
S
Sulfur≤0.02%
2507
UNS S32750
Fe
Iron (Base)~58%
Cr
Chromium24-26%
Ni
Nickel6-8%
Mo
Molybdenum3-5%
W
Tungsten0.1-0.5%
N
Nitrogen0.24-0.32%
Mn
Manganese≤1.2%
Si
Silicon≤0.8%
C
Carbon≤0.03%
P
Phosphorus≤0.035%
S
Sulfur≤0.02%
Ferrallium 255
UNS S32550
Fe
Iron (Base)~60%
Cr
Chromium24-27%
Ni
Nickel5-7%
Mo
Molybdenum2.5-4%
Cu
Copper1.5-2.5%
N
Nitrogen0.1-0.25%
Mn
Manganese≤1.5%
Si
Silicon≤0.8%
C
Carbon≤0.04%
P
Phosphorus≤0.04%
S
Sulfur≤0.03%
Zeron 100
UNS S32760
Fe
Iron (Base)~56%
Cr
Chromium24-26%
Ni
Nickel6-8%
Mo
Molybdenum3-4%
W
Tungsten0.5-1%
Cu
Copper0.5-1%
N
Nitrogen0.2-0.3%
Mn
Manganese≤1%
Si
Silicon≤0.8%
C
Carbon≤0.03%
P
Phosphorus≤0.03%
S
Sulfur≤0.01%
Super Austenitic Stainless Steel Grades
SMO 254
UNS S31254
Fe
Iron (Base)~60%
Cr
Chromium19.5-20.5%
Ni
Nickel17.5-18.5%
Mo
Molybdenum6-6.5%
N
Nitrogen0.18-0.22%
Cu
Copper0.5-1%
Mn
Manganese≤1%
Si
Silicon≤0.8%
C
Carbon≤0.02%
P
Phosphorus≤0.03%
S
Sulfur≤0.01%
Nickel-Based Alloy Grades
Monel 400
UNS N04400
Ni
Nickel63-70%
Cu
Copper28-34%
Fe
Iron≤2.5%
Mn
Manganese≤2%
C
Carbon≤0.3%
Si
Silicon≤0.5%
S
Sulfur≤0.02%
Monel 500
UNS N05500
Ni
Nickel63-70%
Cu
Copper27-33%
Al
Aluminum2.3-3.15%
Fe
Iron≤2%
Mn
Manganese≤1.5%
Ti
Titanium0.35-0.85%
C
Carbon≤0.25%
Si
Silicon≤0.5%
S
Sulfur≤0.01%
INCONEL 600
UNS N06600
Ni
Nickel≥72%
Cr
Chromium14-17%
Fe
Iron6-10%
Cu
Copper≤0.5%
Mn
Manganese≤1%
Si
Silicon≤0.5%
C
Carbon≤0.15%
S
Sulfur≤0.015%
INCONEL 601
UNS N06601
Ni
Nickel58-63%
Cr
Chromium21-25%
Fe
Iron10-14%
Al
Aluminum1.0-1.7%
Cu
Copper≤1%
Mn
Manganese≤1%
Si
Silicon≤0.5%
C
Carbon≤0.1%
S
Sulfur≤0.015%
INCONEL 625
UNS N06625
Ni
Nickel≥58%
Cr
Chromium20-23%
Mo
Molybdenum8-10%
Nb
Niobium3.15-4.15%
Fe
Iron≤5%
Mn
Manganese≤0.5%
Si
Silicon≤0.5%
C
Carbon≤0.1%
Al
Aluminum≤0.4%
Ti
Titanium≤0.4%
S
Sulfur≤0.015%
INCOLOY 800
UNS N08800
Fe
Iron (Base)≥46%
Ni
Nickel30-35%
Cr
Chromium19-23%
Cu
Copper≤0.75%
Mn
Manganese≤1.5%
Si
Silicon≤1%
C
Carbon≤0.1%
Al
Aluminum≤0.4%
Ti
Titanium≤0.4%
S
Sulfur≤0.015%
INCOLOY 800H
UNS N08810
Fe
Iron (Base)≥45%
Ni
Nickel30-35%
Cr
Chromium19-23%
C
Carbon0.05-0.1%
Mn
Manganese≤1.5%
Si
Silicon≤1%
Cu
Copper≤0.75%
Al
Aluminum≤0.4%
Ti
Titanium≤0.4%
S
Sulfur≤0.015%
INCOLOY 800HT
UNS N08811
Fe
Iron (Base)≥45%
Ni
Nickel30-35%
Cr
Chromium19-23%
C
Carbon0.06-0.1%
Mn
Manganese≤1.5%
Si
Silicon≤1%
Cu
Copper≤0.75%
Al
Aluminum≤0.4%
Ti
Titanium≤0.4%
S
Sulfur≤0.015%
INCOLOY 825
UNS N08825
Fe
Iron (Base)≥30%
Ni
Nickel38-46%
Cr
Chromium19.5-23.5%
Mo
Molybdenum2.5-3.5%
Cu
Copper1.5-3%
Ti
Titanium0.6-1.2%
Mn
Manganese≤1%
Si
Silicon≤0.5%
Al
Aluminum≤0.2%
C
Carbon≤0.05%
S
Sulfur≤0.03%
HASTELLOY C-22
UNS N06022
Ni
Nickel50-63%
Cr
Chromium20-22.5%
Mo
Molybdenum12.5-14.5%
W
Tungsten2.5-3.5%
Fe
Iron2-6%
Co
Cobalt≤2.5%
Mn
Manganese≤0.5%
V
Vanadium≤0.35%
Si
Silicon≤0.08%
C
Carbon≤0.015%
P
Phosphorus≤0.02%
S
Sulfur≤0.02%
HASTELLOY C-276
UNS N10276
Ni
Nickel≥52%
Mo
Molybdenum15-17%
Cr
Chromium14.5-16.5%
W
Tungsten3-4.5%
Fe
Iron4-7%
Co
Cobalt≤2.5%
Mn
Manganese≤1%
V
Vanadium≤0.35%
Si
Silicon≤0.08%
C
Carbon≤0.01%
P
Phosphorus≤0.04%
S
Sulfur≤0.03%
Nickel Grades
NICKEL 200
UNS N02200
Ni
Nickel≥99.0%
Fe
Iron≤0.4%
Mn
Manganese≤0.35%
Cu
Copper≤0.25%
Si
Silicon≤0.1%
C
Carbon≤0.15%
S
Sulfur≤0.01%
NICKEL 201
UNS N02201
Ni
Nickel≥99.0%
Fe
Iron≤0.4%
Mn
Manganese≤0.35%
Cu
Copper≤0.25%
Si
Silicon≤0.1%
C
Carbon≤0.02%
S
Sulfur≤0.01%
Alloy Steel Grades
P5
ASTM A335 P5
Fe
Iron (Base)~90%
Cr
Chromium4-6%
Mo
Molybdenum0.45-0.65%
C
Carbon≤0.15%
Mn
Manganese≤0.60%
Si
Silicon≤0.50%
P
Phosphorus≤0.045%
S
Sulfur≤0.045%
P9
ASTM A335 P9
Fe
Iron (Base)~85%
Cr
Chromium8-10%
Mo
Molybdenum0.9-1.1%
Si
Silicon1-1.5%
C
Carbon≤0.15%
Mn
Manganese≤0.50%
P
Phosphorus≤0.045%
S
Sulfur≤0.045%
P11
ASTM A335 P11
Fe
Iron (Base)~95%
Cr
Chromium1-1.5%
Mo
Molybdenum0.44-0.65%
Si
Silicon0.5-1%
C
Carbon≤0.15%
Mn
Manganese0.3-0.6%
P
Phosphorus≤0.045%
S
Sulfur≤0.045%
P12
ASTM A335 P12
Fe
Iron (Base)~97%
Cr
Chromium0.8-1.25%
Mo
Molybdenum0.44-0.65%
C
Carbon≤0.15%
Mn
Manganese0.3-0.6%
Si
Silicon≤0.50%
P
Phosphorus≤0.045%
S
Sulfur≤0.045%
P22
ASTM A335 P22
Fe
Iron (Base)~95%
Cr
Chromium2-2.5%
Mo
Molybdenum0.87-1.13%
C
Carbon≤0.15%
Mn
Manganese≤0.50%
Si
Silicon≤0.50%
P
Phosphorus≤0.045%
S
Sulfur≤0.045%
P91
ASTM A335 P91
Fe
Iron (Base)~85%
Cr
Chromium8-9.5%
Mo
Molybdenum0.85-1.05%
V
Vanadium0.18-0.25%
Nb
Niobium0.06-0.1%
N
Nitrogen0.03-0.07%
Ni
Nickel≤0.40%
C
Carbon0.08-0.12%
Mn
Manganese0.3-0.6%
Si
Silicon0.2-0.5%
P
Phosphorus≤0.02%
S
Sulfur≤0.01%
P92
ASTM A335 P92
Fe
Iron (Base)~85%
Cr
Chromium8.5-9.5%
W
Tungsten1.5-2%
Mo
Molybdenum0.3-0.6%
V
Vanadium0.15-0.25%
Nb
Niobium0.04-0.09%
N
Nitrogen0.03-0.07%
B
Boron0.001-0.006%
C
Carbon0.07-0.13%
Mn
Manganese0.3-0.6%
Si
Silicon≤0.50%
P
Phosphorus≤0.02%
S
Sulfur≤0.01%
Copper Nickel (CuNi) Grades
CuNi 70/30
Copper Nickel 70/30
Cu
Copper65-70%
Ni
Nickel29-33%
Fe
Iron0.4-1.0%
Mn
Manganese0.4-1.0%
C
Carbon≤0.05%
Si
Silicon≤0.05%
S
Sulfur≤0.008%
CuNi 90/10
Copper Nickel 90/10
Cu
Copper86-90%
Ni
Nickel9-11%
Fe
Iron1.5-2.0%
Mn
Manganese0.5-1.0%
C
Carbon≤0.05%
Si
Silicon≤0.05%
S
Sulfur≤0.008%
Titanium Alloy Grades
Grade 1
ASTM B265
Ti
Titanium (Base)~99.5%
Fe
Iron≤0.20%
O
Oxygen≤0.18%
C
Carbon≤0.08%
N
Nitrogen≤0.03%
H
Hydrogen≤0.015%
Grade 2
ASTM B265
Ti
Titanium (Base)~99.2%
Fe
Iron≤0.30%
O
Oxygen≤0.25%
C
Carbon≤0.08%
N
Nitrogen≤0.03%
H
Hydrogen≤0.015%
Grade 5
Ti-6Al-4V
Ti
Titanium (Base)~90%
Al
Aluminum5.5-6.75%
V
Vanadium3.5-4.5%
Fe
Iron≤0.40%
O
Oxygen≤0.20%
C
Carbon≤0.08%
N
Nitrogen≤0.05%
H
Hydrogen≤0.015%
Grade 9
Ti-3Al-2.5V
Ti
Titanium (Base)~94.5%
Al
Aluminum2.5-3.5%
V
Vanadium2.0-3.0%
Fe
Iron≤0.25%
O
Oxygen≤0.15%
C
Carbon≤0.08%
N
Nitrogen≤0.03%
H
Hydrogen≤0.015%