ASTM B464 / ASME SB464 / Welded UNS N08020, UNS N08024, and UNS N08026 Alloy Pipe Incoloy 020 supplier & distributor in India

ASTM B-464 / ASME SB-464
SPECIFICATION FOR WELDED UNS N08020, UNS N08024, AND UNS N08026
ALLOY PIPEINCOLOY 020 = UNS 08020 UNS N08020, UNS N08024, AND UNS N08026

1.Scope

1.1 This specification corvers welded UNS N08020, N08024, and N08026 alloy pipe for general corrosion-rersisting and low or high-temperature service.

1.2 The pipe corverd is nomnal pipe size up to and including size 6, with the nominal wall thicknesses given as Schedules 5s, 10s, and 40s and nominal pipe sizes up to and including schedule 80s.
Table 2 of Specification B 775 is based on Table All of ANSI B 36.19 and gives the nominal dimensinos of these size.
Table 3 of Specification B775 lists the dimensiomal requirements of these siszes.

Pipe having other dimensions may be furnished provied such pipe complies with all other requirements of this specification.

1.3 The values atated in inch-pound units are to be regaded as the standard.

The valus given in parentheses are for information only.

TABLE1 CHEMICAL REQUIREMENTS

Element	Composition, %
Element	UNS N08020	UNS N08024	UNS N08026
Carbon, max	0.07	0.03	0.03
Manganse, max	2.00	1.00	1.00
Phosphorus	0.045	0.035	0.03
Sulfur, max	0.035	0.035	0.03
Silicon, max	1.00	0.50	0.50
Nickel	32.00-38.00	35.00-40.00	33.00-37.20
Chromium	19.00-21.00	22.50-25.00	22.00-26.00
Molybdenum	2.00-3.00	3.50-5.00	5.00-6.70
Copper	3.00-4.00	0.50-1.50	2.00-4.00
Columbium(Nb)+tantalum	8×carbon-1.00	0.15-0.35
Nitrogen	...	...	0.10-0.16
IronA	Remainder	Remainder	Remainder

By difference.

TABLE2 MECHANICAL PROPERTY REQUIREMENTS

Tensile Strength, min, ksi(MPa)	Yield Strength,Amin, ksi(MPa)	Elongation in 2 in.(50.8mm)min, %
80(551)	35(241)	30.0

Yield Strength shall be determined by the offset method at 0.2% limiting permanent set in accodance with Test Methods E 8 an alternative method of determinig yield strength may be vased on total extension under load of 0.5%.

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ASTM B464 / ASME SB464 / Welded UNS N08020, UNS N08024, and UNS N08026 Alloy Pipe Incoloy 020 supplier & distributor in India

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