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Tube Hastelloy B2

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Hastelloy Alloy Pipe

Hastelloy B-2 is a solid solution strengthened nickel-molybdenum alloy with remarkable resistance to reducing environments such as hydrogen hydride gas, sulfuric acid, yanoic acid, and phosphoric acid. Molybdenum is the main alloying element that provides outstanding corrosion resistance in reducing environments. This nickel-steel alloy can be used in the welded condition because it resists the formation of grain boundary carbide precipitates in the weld heat-affected zone.

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Equivalent grade

UNSN10665

Alloy B-2

W. Nr. 2.461

DIN NiMo28

Title：HastelloyB2/UNS N0620/AlloyB2

Available products： plate/sheet, bar/rod, pipe/tube, strip, fittings, wire, forging, fastener, customization

Products	ASTM
Bar	B 574
Plate, sheet and strip	B 575
Seamless pipes and fittings	B 622
Welded nominal pipe	B 619, B 775
Welded pipe	B 626, B 751
Welded pipe fitting	B 366
Forged or rolled pipe flanges and forged pipe fittings	B 462
Billets and rods for forging	B 472
Forgings	B 564

Chemical composition

Alloy	%	Ni	Mo	Fe	Cr	Co	C	Mn	V	Si	P	S
B2	Min	Margin	26	2.0					0.2
	Max		30	7.0	1.0	2.5	0.05	1.0	0.4	1.0	0.04	0.03

Physical properties

density	8.50 g/cm3
Melting	1328-1358℃

Material properties

This nickel alloy provides excellent resistance to yan acid in a wide range of concentrations and temperatures. In addition, Hastelloy B2 has excellent resistance to pitting, stress corrosion cracking, and knife line and heat affected zone attacks. Alloy B2 provides resistance to pure sulfuric acid and many non-oxidizing acids.

Advantage

1. Excellent resistance to hydrochloric acid at all concentrations and temperatures.
2. Superior resistance to sulfuric, acetic, formic, and phosphoric acids.
3. Exceptional resistance to stress corrosion cracking and pitting corrosion.
4. Good weldability and fabrication characteristics for ease of manufacturing.
5. High resistance to crevice corrosion and intergranular attack.
6. Versatile material suitable for various chemical processing applications.
7. Low risk of sensitization, ensuring long-term reliability in corrosive environments.
8. Wide availability and proven track record in critical industries.

Hastelloy B-2 application

Hastelloy B-2 is widely used in chemical, petrochemical, power production and pollution control fields, especially in sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid and other industries.

FAQ

Q: Do you accept the third party inspection?

A: Yes absolutely we accept.

Q: Do you provide the samples? Free or Extra?

A: The cost of the samples is according to the value.The cost of the freight is necessary.

Q: Do you have large amount of steel products in stock?

A: Yes , we have a large-scale indoor warehouse with perennial spot stocks totally above 200000 tons.

Q: What is your delivery time and the supply ability?

A:The delivery time normally within 15~28working days,we can supply about 10,000tons every month.

Q: How to order?

A: Buyer sends the enquery --> Buyer gets the quotation --> Order confirmation --> Buyer send the deposit --> Seller prepares goods --> Seller makes the strict inspection --> Buyer Arranges Balance Payment --> packing and delivery

Q: How can you ensure the quality of your product?

A: All products have to go through three checks in the whole manufacturing process,it includes production and Random Testing in warehouse and Before Shipping.

Hastelloy Alloy Pipe