Nickel Alloys

Alloy C-276

Chemical Composition (%)

Nickel Molybdenum Chromium Iron Tungsten Cobalt Manganese
Remainder 15.0 to 17.0 14.5 to 16.5 4.0 to 7.0 3.0 to 4.5 2.5 max 1.0 max
Vanadium Silicon Phosphorus Sulfur Carbon
0.35 max 0.08 max 0.04 max 0.03 max 0.010 max

Applicable Specifications*

Form ASTM ASME VdTÜV
Bar B574, B5641 SB574, SB5641 400
Plate & Sheet B575 SB575 400
Welded Pipe B619, B775 SB619, SB775
Welded Tube B626 SB626
Seamless Pipe & Tube B622 SB622

1On diameters above 3.5″, B564/SB564 is dual certified.
*EN10204-3.1 applies to all product forms.

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Alloy 20

Chemical Composition (%):

Iron Nickel Chromium Copper Molybdenum Manganese Niobium* + Tantalum
Remainder 32.00 to 38.00 19.00 to 21.00 3.00 to 4.00 2.00 to 3.00 2.00 max (8 x C) to 1.00
Silicon Carbon Phosphorus Sulfur
1.00 max 0.07 max 0.045 max 0.035 max

*Niobium (Nb) formerly classified as Columbium (Cb).

Applicable Specifications*

Form ASTM ASME
Bar B473 SB473
Sheet & Plate B463 SB463
Seamless Pipe & Tube B729 SB729
Welded Pipe B464, B4741 SB464, SB474
Welded Tube B468 SB468

1Electric fusion welded pipe material only.
*EN10204-3.1 applies to all product forms.

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Alloy 22

Chemical Composition (%):

Nickel Chromium Molybdenum Tungsten Cobalt Iron Manganese
Remainder 20.0 to 22.5 12.5 to 14.5 2.5-3.5 2.5 max 2.0-6.0 0.50 max
Vanadium Silicon Phosphorus Sulfur Carbon
0.35 max 0.08 max 0.02 max 0.02 max 0.015 max

Applicable Specifications*

Form ASTM ASME VdTÜV
Bar B574, B5641 SB574, SB5641 479
Plate & Sheet B575 SB575 479
Welded Pipe B622 SB622
Welded Tube B626 SB626
Seamless Pipe & Tube B619, B775 SB619, SB775

1On diameters above 3.5″, B564/SB564 is dual certified.
*EN10204-3.1 applies to all product forms.

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Alloy 200/201

Chemical Composition:

Nickel & Cobalt Iron Manganese Silicon Copper Carbon Sulfer
99.0 min 0.40 max 0.35 max 0.35 max 0.25 max 0.02 max 0.01 max

Applicable Specifications*

Form ASTM ASME
Bar1,2 B160, B5643 SB160, SB5643
Plate1,2 B162 B162
Sheet1,2 B162 B162
Seamless Pipe & Tube2,4 B161 B161

1Hot worked/annealed. 2Dual certified to UNS N02200/N02201. 3Dual certified on diameters 3 1/2″ and larger (Nickel 200 only). 4Annealed.

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Alloy 400

Specifications: ASTM B164, ASME SB164, N04400, QQN 281D AMENDMENT 2 CLASS A FORM 1, STRESS RELIEVED, MERCURY FREE, EN 10204-3.1, B/SB564, COLD DRAWN, HOT FINISHED, ASTM B164, ASTM B366, ASME SB366, WPNC-S, ASME B16.11, ASTM B564/ASME SB564, QQN 281D AMENDMENT 2 CLASS A FORM 1, ASTM B127, ASME SB127, QQN 281D AMENDMENT 2 CLASS A FORM 6, COLD ROLLED, HOT ROLLED

Chemical Composition:

Element Nickel Cobalt Copper Iron Carbon Silicon
Avg. Nominal % Balance 1.0 Max 30 2.5 0.15 Max 0.50 Max

Alloy 405

Specifications: QQN281 D Class B Form 1 Amendment I & II, AMS 4674F or latest,  ASTM B164, ASME SB164, NACE MR0175, Cold Drawn, Stress Relieved

Chemical Composition:

Element Nickel Cobalt Copper Iron Carbon Silicon
Avg. Nominal % Balance 1.0 Max 30 2.5 0.15 Max 0.50 Max

Alloy K-500 E, F & G

Specifications: N05500, QQN 286 REV E, F OR G, AGE HARDENED, MERCURY FREE, COLD DRAWN, HOT FINISHED, EN 10204-3.1

Chemical Composition:

Element Nickel + Cobalt Aluminum Titanium Iron Manganese Carbon Silicon Copper
Avg. Nominal % 63.0 Min 3.0 0.6 2.0 Max 1.5 Max 0.25 Max 0.50 Max Balance

Alloy K-500 Rev. E

Specifications: N05500, QQN 286 REV E, F OR G, MERCURY FREE, COLD DRAWN, HOT FINISHED, EN 10204-3.1

Chemical Composition:

Element Nickel + Cobalt Aluminum Titanium Iron Manganese Carbon Silicon Copper
Avg. Nominal % 63.0 Min 3.0 0.6 2.0 Max 1.5 Max 0.25 Max 0.50 Max Balance

Alloy 600

Specifications: N06600, ASTM B517, ASME SB517, ANNEALED, MERCURY FREE, EN 10204-3.1, ASTM B366, ASME SB366, WPNCI-S, ASME B16.11, ASTM B166, ASME SB166, ASTM B564/ASME SB564

Chemical Composition:

Element Nickel + Cobalt Carbon Silicon Iron Copper Manganese Chromium
Avg. Nominal % 72.0 Min 0.15 Max 0.50 Max 6.0 – 10.0 1.0 Max 1.0 Max 14.0 – 17.0

Alloy 625

Specifications: ASTM B446 Gr. 1, ASME SB446 Gr. 1, AMS 5666, Annealed, ASTM G28 A&B, NACE MRO175/ISO 15156-3, GE S-400/ S-1000, EN10204-3.1, AMS 5599, ASME SB443, ASTM B443, ASTM G28A, NACE MRO175, ASTM B443 GR1, ASME SB443 GR1, AMS 5599

Chemical Composition:

Element Nickel + Cobalt Carbon Silicon Iron Copper Manganese Chromium
Avg. Nominal %

Alloy 800 H/HT®

Specifications: N08810/N08811, ASTM B408, ASME SB408, ASTM B564/ASME SB564, ANNEALED, MERCURY FREE, EN 10204-3.1

Chemical Composition:

Element Nickel Chromium Aluminum Titanium Iron Carbon Silicon Manganese
Avg. Nominal % 30.0 – 35.0 19.0 – 23.0 0.15 – 0.60 0.15 – 0.60 Balance 0.05 – 0.10 0.4 1.50 Max

Alloy B-2

Specifications: N10665, ASTM B619, ASME SB619, ANNEALED, B/SB619 CLASS I OR II, X-RAY PER ASME SECTION VIII DIVISION 1 UW-51, MERCURY FREE, EN 10204-3.1, ASTM B366, ASME SB366, WPHB2-S, ASME B16.11, ASTM B335, ASME SB335, ASME B16.3, MSS SP-83, ASTM B564/ASME SB564, COLD DRAWN, HOT FINISHED, ASTM B333, ASME SB333, COLD ROLLED, HOT ROLLED, ENIMO-7, AWS A-5.11, ASME SFA-5.11

Chemical Composition:

Element Nickel Molybdenum Iron Chromium Carbon Silicon
Avg. Nominal % Balance 28.0 2.0 Max 1.0 Max 0.01 Max 0.10 Max

Alloy B-3®

Specifications: N10675, ASTM B366, ASME SB366, WPHB3-W, ASME B16.9, ANNEALED, MERCURY FREE, EN 10204-3.1 (W/O X-RAY), ASTM B335, ASME SB335, ASTM B564, ASME SB564, DIMENSIONS PER ASME B16.5, ASTM B462, ASME SB462, ASME B16.5, COLD DRAWN, HOT FINISHED, ASTM B626, ASME SB626, B/SB626 CLASS III, ASTM B333, ASME SB333, COLD ROLLED, HOT ROLLED

Chemical Composition:

Element Nickel Molybdenum Ni + Mo Cobalt Chromium Tungsten Iron Silicon Manganese Carbon Aluminum Copper
Avg. Nominal % 65.0 Min. 28.5 94.0 – 98.0 3.0 Max 1.5 3.0 Max 1.5 0.10 Max 3.0 Max 0.01 Max 0.50 Max 0.20 Max

Super Duplex Stainless

Alloy 255

Specifications: S32550, ASTM A479, ASME SA479, ANNEALED, MERCURY FREE, EN 10204-3.1, COLD DRAWN, HOT FINISHED, ASTM A240, ASME SA240

Chemical Composition:

Element Chromium Nickel Molybdenum Copper Nitrogen Iron
Avg. Nominal % 25.3 6 2 2 0.22 Balance

Cobalt Alloys

Alloy 6B

Specifications: R30016, AMS 5894, W3, ANNEALED, MERCURY FREE, EN 10204-3.1

Chemical Composition:

Element Cobalt Nickel Silicon Tungsten Iron Manganese Carbon Chromium Molybdenum
Avg. Nominal % Balance 3.00 Max 2.00 Max 3.50 – 5.50 3.0 Max 2.0 Max 0.9 – 1.40 28.0 – 30.0 1.5 Max

Titanium Grades

Titanium Grade 2

Specifications: R50400, ASTM B348, ASME SB348, ANNEALED, MERCURY FREE, EN 10204-3.1, ASTM B265, ASME SB265,  COLD ROLLED, HOT ROLLED

Chemical Composition:

Element Carbon Iron Nitrogen Oxygen Hydrogen
Maximum % 0.08 0.25 0.03 0.20 0.015 (Sheet)0.0125 (Bar)0.0100 (Billet)

Titanium Grade 5

Specifications: R56400, ASTM B348, ASME SB348, AMS-T-9047, AMS 4928K CONDITION A. MIL-T-9047 CONDITION A, ANNEALED, MERCURY FREE, EN 10204-3.1

Chemical Composition:

Element Carbon Iron Nitrogen Oxygen Aluminum Vanadium Hydrogen
Maximum % 0.08 0.25 0.05 0.20 5.50/6.75 3.5/4.5 0.015 (Sheet)
0.0125 (Bar)
0.010 (Billet)
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