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Hastelloy Tube

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HT PIPE as the reliable Hastelloy tube suppliers, Hastelloy Seamless Tubes, Hastelloy tube manufacturers in China, provide Hastelloy B2 tube, Hastelloy B3 tube, Hastelloy C2000 tube, Hastelloy C22 tube, Hastelloy X tube, Hastelloy C276 tube.

Hastelloy tube is a highly durable and corrosion-resistant nickel-chromium-molybdenum alloy. The ASTM B622 specification governs the requirements, dimensions, finish, testing, and packaging of seamless nickel and nickel alloy tubes.

The common grades used in tube production include Hastelloy B-2, B-3, C22, C276, C200 and X. These grades differ in terms of their chemical composition and properties, such as Hastelloy B-2 is a nickel-molybdenum alloy that boasts superior resistance to reducing agents such as hydrochloric acid, sulfuric acid, and phosphoric acid. It is highly resistant to stress corrosion cracking and pitting in chloride solutions, making it a popular choice for chemical processing equipment; While Hastelloy C-276 is a versatile nickel-chromium-molybdenum-tungsten alloy that offers excellent resistance to oxidizing and reducing environments. It is highly resistant to corrosion by sulfuric acid, hydrochloric acid, and chlorine gas. It is also resistant to crevice corrosion, intergranular corrosion, and pitting.

ASTM B622 Hastelloy Tube Specification:

Grades: B2, B3, C22, C2000, C276, X
Size: 1/4"-3", 0.54mm-88.9mm
Wall thickness: SCH10,SCH40,SCH80
Hastelloy Tube End: Plain End, Beveled End, Treaded Tube
Application & uses of Hastelloy Tube: Oil Tube, Gas Tube, Fluid Tube, Boiler Tube, Heat exchanger Tube

All Hastelloy tube offers with EN10204, 3.1. The material test report (MTR) will be provided with the Hastelloy tubing.

ASTM B622 Hastelloy Tube Chemical Composition:

Grade	UNS	C≤	Mn≤	P≤	S≤	Si≤	Ni	Cr	Mo	Fe	Co≤
B2	N10665	0.02	1.0	0.04	0.03	0.10	-	1.0max	26.0-30.0	2.0max	1.0
B3	N10675	0.01	3.0	0.03	0.01	0.10	65.0min	1.0-3.0	27.0-32.0	1.0-3.0	3.0
X	N06002	0.05-0.15	1.0	0.04	0.03	1.0	-	20.5-23.0	8.0-10.0	17.0-20.0	0.5-2.5
C22	N06022	0.015	0.5	0.02	0.02	0.08	-	20.0-22.5	12.5-14.5	3.0-6.0	2.5
C2000	N06200	0.01	0.5	0.025	0.01	0.08	-	22.0-24.0	15.0-17.0	3.0max	2.0
C276	N10276	0.01	1.0	0.04	0.03	0.08	-	14.5-16.5	15.0-17.0	4.0-7.0	2.5

ASTM B622 Hastelloy Tube Melting Point, Density And Tensile Strength

Grade	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
C22	8.69 G/Cm3	1399 °C (2550 °F)	Psi – 1,00,000 , MPa – 690	Psi – 45000 , MPa – 310	45 %
C276	8.89 G/Cm33	1370 °C (2500 °F)	Psi – 1,15,000 , MPa – 790	Psi – 52,000 , MPa – 355	40%
B2	9.2 G/Cm3	1370 °C (2550 °F)	Psi – 1,15,000 , MPa –760	Psi – 52,000 , MPa – 350	40%
B3	9.2 G/Cm3	1370 °C (2550 °F)	Psi – 1,15,000 , MPa –760	Psi – 52,000 , MPa – 350	40%
C2000	8.69 G/Cm³	1399 °C (2550 °F)	Psi – 1,00,000 , MPa – 690	Psi – 45000 , MPa – 310	45%
X	8.22 G/Cm³	1355°C	655 MPa	240 MPa	35%

ASTM B622 Hastelloy Tube Schedules

DN	NPS(in)	OD(mm)	Sch10 in(mm)	Sch40 in(mm)	Sch80 in(mm)
8	1/4	13.72	0.065(1.65)	0.088(2.24)	...
10	3/8	17.14	0.065(1.65)	0.091(2.31)	0.126(3.20)
15	1/2	21.34	0.083(2.11)	0.109(2.77)	0.147(3.73)
20	3/4	26.67	0.083(2.11)	0.113(2.87)	0.154(3.91)
25	1	33.40	0.109(2.77)	0.133(3.38)	0.179(4.55)
32	1 1/4	42.16	0.109(2.77)	0.140(3.56)	0.191(4.85)
40	1 1/2	48.26	0.109(2.77)	0.145(3.68)	0.200(5.08)
50	2	60.32	0.109(2.77)	0.154(3.91)	0.218(5.54)
65	2 1/2	73.02	0.120(3.05)	0.203(5.16)	0.276(7.01)
80	3	88.90	0.120(3.05)	0.216(5.49)	0.300(7.62)

The ASTM B622 Hastelloy tube is commonly used in heat exchangers, condensers, reactors, evaporators, and other process equipment that require high strength, high corrosion resistance, and high heat resistance. It can also be used in marine, petrochemical, and power generation industries. It requires minimal maintenance and can last for decades without the need for replacements.

ASTM B622 Hastelloy tube is a highly reliable and durable choice for chemical processing equipment. Its excellent resistance to corrosion, stress corrosion cracking, and pitting makes it ideal for harsh environments. Its ability to withstand extreme temperatures and pressures makes it a popular choice for high-temperature and high-pressure applications in industries such as oil and gas, chemical, and power generation. Its long-lasting durability and minimal maintenance requirements make it a cost-effective solution for companies that rely on high-performance equipment.

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