Alloy 625 Nickel Tubing

Alloy 625 is a nickel-chromium alloy with strength and excellent resistance to a wide variety of corrosive media.

Typical applications: Heat exchangers, spray bars, rocket thrust chambers

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Specification
OD
Manufacture Method
Wall

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SKU Description DFARS Manufacture Method OD Wall Specification
Sku: 45539 Description: SMLS 625 B/SB444 3/8 OD X .065WA DFARS: No Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0650 Specification: ASTM B444 ASME SB444
Sku: 45534 Description: SMLS 625 B/SB444 3/8 OD X .035WA DFARS: No Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0350 Specification: ASTM B444 ASME SB444
Sku: 45552 Description: SMLS 625 B/SB444 1/2 OD X .065WA DFARS: No Manufacture Method: SEAMLESS & DRAWN OD: 0.5000 Wall: 0.0650 Specification: ASTM B444 ASME SB444
Sku: 45551 Description: SMLS 625 B/SB444 1/2 OD X .035WA DFARS: No Manufacture Method: SEAMLESS & DRAWN OD: 0.5000 Wall: 0.0350 Specification: ASTM B444 ASME SB444
Sku: A5954 Description: SMLS 625 5581 LCS 1/2 X .028 DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.5000 Wall: 0.0280 Specification: AMS5581 ASQR-01
Sku: 45557 Description: SMLS 625 B/SB444 3/4 OD X .083WA DFARS: No Manufacture Method: SEAMLESS & DRAWN OD: 0.7500 Wall: 0.0830 Specification: ASTM B444 ASME SB444
Sku: 45556 Description: SMLS 625 B/SB444 3/4 OD X .065WA DFARS: No Manufacture Method: SEAMLESS & DRAWN OD: 0.7500 Wall: 0.0650 Specification: ASTM B444 ASME SB444
Sku: 46885 Description: SMLS 625 AMS 5581 3/4 X .028 WA DFARS: No Manufacture Method: SEAMLESS & DRAWN OD: 0.7500 Wall: 0.0280 Specification: AMS5581
Sku: 45646 Description: SMLS 625 B/SB444 1.00 OD X .083WA DFARS: No Manufacture Method: SEAMLESS & DRAWN OD: 1.0000 Wall: 0.0830 Specification: ASTM B444 ASME SB444
Sku: 45640 Description: SMLS 625 B/SB444 1.00 OD X .065WA DFARS: No Manufacture Method: SEAMLESS & DRAWN OD: 1.0000 Wall: 0.0650 Specification: ASTM B444 ASME SB444

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Stock Size Range:

Seamless

OD: .188" - 1.500"
Walls: .028" - .083"

Specifications: ASTM B444, ASME SB444, AMS 5581

Welded

OD: .250" - 7"
Walls: .028 - .100"

Specifications: AMS 5581

Typical Chemical Composition %
Nickel min. 58.0
Chromium 20.0-23.0
Iron nom. 5
Molybdenum 8.0-10.0
Niobium 3.15-4.15
Aluminum 0.4
Titanium 0.4
Cobalt 1
Sulfur 0.015
Carbon 0.1
Manganese 0.5
Silicon 0.5
Phosphorous 0.015
Typical Mechanical Properties
Annealed Mpa
Yield Strength (0.2% offset) 60 min ksi 414
Tensile Strength 120 min ksi 827
Elongation % in 2" 30