Alloy 601 Pipe

1. Standard: ASTM B163, ASME SB163, ASTM B167, ASME SB167, ASTM B474, ASME SB474
2. Diameters: 0.1- 1219.2 mm
3. Wall thickness: 0.1 to 25mm
4. Length: SRL, DRL and Customized

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Product Introduction

Alloy 601 pipe has a very high chromium content (about 25%) and has aluminum added to form a tightly adherent oxide scale that resists spalling even under thermal cycling. The outstanding characteristics of the 601 alloy are its resistance to high temperature oxidation and good creep and rupture strength. Inconel 601 seamless pipe is either annealed at around 2000°F or solution treated at around 2100°F. This enhances the high temperature strength of nickel alloy 601.

Inconel 601 pipe standard:

ASTM B167: specification covers nickel-chromium-iron alloys (UNS N06600, N06601, N06603, N06690, N06693, N06025, N06045, and N06696) in cold-worked annealed, hot-worked annealed, and hot-finished seamless pipe and tube

ASTM B474: Standard Specification for Electric Fusion Welded Nickel and Nickel Alloy Pipe

ASTM B163: Standard Specification for Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes

Inconel 601 Chemical Composition

Ni	Nickel 58 – 63
Cr	Chromium 21 – 25
Al	Aluminum 1.0 – 1.7
C	Carbon 0.10 max
Mn	Manganese 1.0 max
S	Sulfur 0.015 max
Si	Silicon 0.50 max
Cu	Copper 1.0 max
Fe	Iron Remainder

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Alloy 601 Pipe Mechanical Properties

Mechanical Properties	Imperial	Metric
Tensile strength (solution annealed, room temperature)	110000 psi	760 MPa
Yield strength (solution annealed, room temperature)	65300 psi	450 MPa
Elongation at break	42%	42%

Pressure Rating Of Inconel 601 Seamless Pipe And Tube

Inconel 601 Pipe O.D. (in.)	Wall Thickness of Inconel 601 Pipe (inches)
Inconel 601 Pipe O.D. (in.)	0.028	0.035	0.083	0.049	0.065	0.095	0.109	0.120
	Working Pressure (psig)
1/8	7900	10100
1/4	3700	4800		7000	9500
5/16		3700		5400	7300
3/8		3100		4400	6100
1/2		2300		3200	4400
3/4			4000	2200	3000	4600
1			2900		2200	3400	3900	4300

Alloy 601 Welded Pipe Solution Treatment

1. Solution Treatment: For Inconel 601, the typical solution treatment process involves heating the material to a temperature of approximately 2100°F (1150°C) to 2250°F (1230°C) and holding it at that temperature for a period of time.
2. Rapid Cooling: After the Inconel 601 UNS N06601 material is held at the solution treatment temperature for an appropriate period of time, it is rapidly cooled.
3. Age Hardening (Optional): ASME SB-167 N06601 pipe can be age hardened, which involves further heat treatment at lower temperatures to enhance its mechanical properties.