Nickel Insitute - Nickel Alloys in Organic Acids & Related Compounds

Nominal Composition of Nickel-Containing Alloys in Use or Corrosion Tested in Organic Acids and RelatedCompounds

Composition, %

Alloys

Ni

Fe

Cr

Mo

Cu

C

Si

Mn

Other

WROUGHT ALLOYS

Stainless Steels—Austenitic AISI Type 201 AISI Type202 AISI Type 204 AISI Type204L AISI Type 216 AISI Type216L AISI Type 304 AISI Type304L AISI Type309 AISI Type310 AISI Type 316 AISI Type316L AISI Type 317 AISI Type317L AISI Type318 AISI Type321 AISI Type330 AISI Type347

4.5 5.0 5.0 6.0 6.0 6.0 9.5

Balance Balance Balance Balance Balance Balance Balance Balance Balance Balance Balance Balance Balance Balance Balance Balance Balance Balance

17.0 18.0 18.0 18.0 19.5 19.5 18.5 18.5 23.0 25.0 17.0 17.0 19.0 19.0 18.0 18.0 15.0 18.0

– – – – – – – – – –

– – – – – – – – – – – – – – – – –

0.15 Max 0.15 Max 0.08 Max 0.03 Max 0.08 Max 0.03 Max 0.08 Max 0.03 Max 0.20 Max 0.25 Max 0.08 Max 0.03 Max 0.08 Max 0.03 Max 0.08 Max 0.08 Max 0.25 Max 0.08 Max

1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max

6.5 8.0 8.0 8.0 8.0 8.0 1.5 1.3

N 0.25Max N 0.25Max N 0.25Max N 0.25Max N 0.25-0.50 N 0.25-0.50

10.0 13.5 20.0 13.0 13.0 14.0 14.0 14.0 11.0 35.0 11.0

2.0 Max 2.0 Max

2.25 2.25 3.25 3.25 3.25

1.7 1.8

2.0Max 2.0Max 2.5Max 2.0Max 2.0Max 2.0 Max

Cb + Ta 10XC Min Ti 5XCMin

– – –

Cb + Ta 10XC Min

Balance

NITRONIC alloy 50

12.5

22.0

–

0.06 Max

1.0Max

N 0.2-0.4, Cb 0.1-0.3

1.5–3.0

5.0

Stainless Steels—Duplex and Precipitation Hardening

AISI Type326 AISI Type329 CRUCIBLE alloy 223

6.5 4.5 - 4.0 7.0 7.0

Balance Balance Balance Balance Balance Balance

26.0 27.5 16.0 16.5 17.0 15.0

– 1.0– 2.0 0.4

– –

0.06 Max 0.10 Max 0.03 Max 0.07 Max 0.09 Max 0.09 Max

0.40 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max

0.40 2.0 Max 12.0 1.0Max 1.0Max 1.0Max

1.0 4.0

N 0.3 Cb + Ta0.3

– –

17-4PH 17-7PH PH15-7Mo

– –

Al 1.1 Al 1.1

2.5

Iron-Base Nickel-Chromium Copper-Molybdenum Alloys CARPENTER alloy 20 (1) CARPENTER alloy 20Cb-3 Nickel-Base Chromium-Iron Molybdenum-Copper Alloys

29.0 34.0

43.0 39.0

20.0 20.0

2.0 Min 2.5

3.0 Min 3.3

0.07 Max 0.07 Max

1.0 0.6

0.8 0.8

Cb + Ta 0.6

41.8 45.0

30.0 19.5

21.5 22.2

3.0 6.5

1.8 2.0

0.03 0.03

0.35 0.35

0.65 1.3

AI 0.15, Ti 0.9 W 0.5. Cb + Ta 2.12

INCOLOY alloy 825 HASTELLOY alloy G

Iron-Base Nickel-Chromium Molybdenum Alloys ALLEGHENY alloy AL-6X

24.0 26.0 25.0 20.0

46.0 42.0 46.0 29.0

20.0 22.0 21.0 21.0

6.5 5.0 4.5 3.0

– – – –

0.025 Max 0.05 Max

0.5 Max 1.0 Max 0.5 1.0 Max

1.5 Max 2.5 Max

Ti 4XC Min Cb 0.30 Co 20.0, W 2.5, N 0.15,Cb + Ta1.0

HAYNES alloy 20 Mod JESSOP alloy JS-700 MULTIMET alloy

0.03 0.12

1.7 1.5

Nickel-Base Molybdenum Chromium-Iron Alloys HASTELLOY alloy C (2) HASTELLOY alloy C-276

54.0 54.0 61 ..0

5.0 5.0 3.0 Max 5.0 5.0 Max

15.5 15.5 16.0 7.0 21.5

16.0 16.0 15.5 16.5 9.0

– – – – –

0.08 Max 0.02 Max 0.015 Max 0.06 0.1 Max

1.0 Max 0.05 Max 0.08 Max 0.3 0.5 Max

1.0Max 1.0Max 1.0 Max 0.3 0.5 Max

Co2.5Max,W4.0, V 0.4 Ma) Co2.5Max,W4.0, V 0.4 Ma) Co 2.0 Max, Ti 0.7 Max AI 0.5 Cb + Ta 3.65

HASTELLOY alloy C-4 HASTELLOY alloy N INCONEL alloy 625

69.0 60.0

Nickel-Copper Alloys MONEL alloy 4OO MONEL alloy K-500

66.0 65.0

1.35 1.0

– –

– –

31.5 29.5

0.12 0.15

0.15 0.15

0.9 0.6

AI 2.8, Ti 0.5

Copper-Nickel Alloys Copper-Nickel alloy C70600 Copper-Nickel alloy C71000 Copper-Nickel alloy C71500 Nickel-Chromium Alloys INCONEL alloy 600 NICHROME V

10.0 20.0 30.0

1.25 0.75 0.55

– – –

– – –

88.0 78.0 67.0

– – –

– – –

0.3 0.4 0.5

Pb 0.05 Max, Zn 1.0 Max Pb 0.05 Max, Zn 1.0 Max Pb 0.05 Max, Zn 1.0 Max

76.0 80.0

7.2 –

15.8 20.0

– –

0.1 –

0.04 –

0.2

0.2

–

–

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