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

SKU	Description	Manufacture Method	OD	Wall	Specification
A5954	SMLS 625 5581 LCS 1/2 X .028	SEAMLESS & DRAWN	0.5000	0.0280	AMS5581 ASQR-01
A5955	SMLS 625 5581 LCS 5/8" OD X .028"WA	SEAMLESS & DRAWN	0.6250	0.0280	AMS5581 ASQR-01
A5949	SMLS 625 5581 LCS .250"OD X.028"WA	SEAMLESS & DRAWN	0.2500	0.0280	AMS5581 ASQR-01
A5952	SMLS 625 5581 LCS .312"OD X.035"WA	SEAMLESS & DRAWN	0.3120	0.0350	AMS5581 ASQR-01
A5953	SMLS 625 5581 LCS .438"OD X.035"WA	SEAMLESS & DRAWN	0.4380	0.0350	AMS5581 ASQR-01

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 % (max values, unless noted)
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