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Hastelloy Pipe, ASTM B729 ALLOY20 (NO8020 / 2.4660 ) 6" SCH40S 6M 100% ET & HT

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Hastelloy Pipe, ASTM B729 ALLOY20 (NO8020 / 2.4660 ) 6" SCH40S 6M 100% ET & HT

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Brand Name :	YUHONG
Model Number :	ASTM B729 ALLOY20 (NO8020 / 2.4660 )
Certification :	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Price :	negotiable
Payment Terms :	T/T, L/C
Supply Ability :	1500 tons per month
Delivery Time :	10days->

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Hastelloy Pipe, ASTM B729 ALLOY20 (NO8020 / 2.4660 ) 6" SCH40S 6M 100% ET & HT

Hastelloy Pipe, ASTM B729 ALLOY20 (NO8020 / 2.4660 ) 6" SCH40S 6M 100% ET & HT

YUHONG GROUP deal with Stainless/Duplex/ Nickel steel seamless pipe and tube already more than 10 years, every year sell more than 80000 tons of Stainless/Duplex/ Nickel steel seamless pipe and tube. Our client already cover more than 45 countries. Our stainless steel seamless pipe and tube was width used in Mining, Energy, Petrochemical, Chemical Industry, Food plant, Paper plant, Gas and Fluid Industry etc. ANSI B16.10: B16.19 SCH 5S, SCH 10S, SCH 20, SCH 30, SCH 40S, SCH 60, SCH80S, XS, SCH 100, SCH 120, SCH160, XXS

Alloy 20

Alloy 20 was designed specifically to withstand sulfuric acid. Its nickel, chromium, molybdenum and copper levels all provide excellent general corrosion resistance. Restricted carbon plus columbium stabilization permits welded fabrications to be used in corrosive environments, normally without post-weld heat treatment. At 33% nickel, Alloy 20 has practical immunity to chloride stress corrosion cracking. This alloy is often chosen to solve SCC problems, which may occur with 316L stainless.

Chemistry

	Ni	Cr	Mo	Mn	Cu	Si	C	S	P	Cb+Ta	Fe
MIN	32.5	19.0	2.0	-	3.0	-	-	-	-	8.0 x C 1.0	-
MAX	35.0	21.0	3.0	2.0	4.0	1.0	0.06	0.035	0.035	-	Balance

Specifications

ASME SA 240, ASME SB 366, ASME SB 463
ASTM A 240, ASTM B 366
ASTM B 463
ASTM B 473
EN 2.4660
UNS N08020
Werkstoff 2.4660

Inventory

Alloy 20 Coil, Alloy 20 Plate, Alloy 20 Sheet, Alloy 20 Weld Wire, Alloy20 Pipe , Alloy20 Tube , Alloy 20 Flange , Alloy20 Fitting

Features

Excellent resistance to hot sulfuric acid
Resistant to intergranular corrosion in the as-welded condition
Chloride stress corrosion cracking resistance

Applications

Sulfuric acid pickling tanks, racks and heating coils
Phosphate coating drums and racks
Heat exchangers
Bubble caps
Process piping
Mixing tanks
Chemical and petroleum process equipment

Physical Properties

Density: 0.278 lb/in3 annealed
Melting Point: 2525-2630°F
Electrical Resistivity: 651 Ohm-circ mil/ft

Temperature, °F	70	212	392	572	752	842	932
Coefficient* of Thermal Expansion, in/in°F x 10-6	-	8.16	8.37	8.62	8.62	8.84	8.91
Thermal Conductivity Btu • ft/ft2 • hr • °F	6.7	7.57	8.56	9.53	10.5	-	-
Modulus of Elasticity, Dynamic psi x 106	28	-	-	-	-	-	-

* 70°F to indicated temperature.

Mechanical Properties

Minimum Specified Properties, Asme Sb-688 Plate

Ultimate tensile strength, ksi	80
0.2% yield strength, ksi	35
Elongation, %	30
Hardness MAX, Brinell	217

Typical Tensile Properties, Bar

Temperature, °F	70
Ultimate Tensile Strength, ksi	91
0.2% Yield Strength, ksi	48
Elongation, %	45
Charpy Impact V-notch, ft-lbs	200

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Hastelloy Pipe, ASTM B729 ALLOY20 (NO8020 / 2.4660 ) 6" SCH40S 6M 100% ET & HT

Hastelloy Pipe, ASTM B729 ALLOY20 (NO8020 / 2.4660 ) 6" SCH40S 6M 100% ET & HT

Hastelloy Pipe, ASTM B729 ALLOY20 (NO8020 / 2.4660 ) 6" SCH40S 6M 100% ET & HT