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HASTELLOY C22 ELBOW 90 / 180 DEG BUTT-WELDED NICKEL ALLOY FITTING

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HASTELLOY C22 ELBOW 90 / 180 DEG BUTT-WELDED NICKEL ALLOY FITTING

Brand Name : YUHONG

Model Number : ASTM B366 C22 ELBOW

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : CHINA

MOQ : 1PC

Price : Negotiable

Payment Terms : T/T, L/C AT SIGHT

Supply Ability : According to Client Requirements

Delivery Time : Depends on quantity

Packaging Details : According to Client Requirements / Ply-wooden Case / Iron Case etc.

Product Name : Nickel Alloy 180° Elbow

Type : Butt Weld

Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS

Size : 1/8"NB TO 48"NB IN

Applications : Cellophane Manufacturing, Chlorination Systems, Pesticide Production, Incineration Scrubber Systems, Etc.

Packaging : PLY-WOODEN CASE OR WOODEN PALLET

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HASTELLOY C22 ELBOW 90 / 180 DEG BUTT-WELDED NICKEL ALLOY FITTING

What is Hastelloy C22?

Hastelloy C22 is a versatile austenitic nickel-chromium-molybdenum-tungsten alloy with enhanced resistance to pitting, crevice corrosion and stress corrosion cracking. The high chromium content provides good resistance to oxidizing media while the molybdenum and tungsten content give good resistance to reducing media. This nickel steel alloy also has excellent resistance to oxidizing aqueous media including wet chlorine and mixtures containing nitric acid or oxidizing acids with chlorine ions. Other corrosives Hastelloy C-22 has resistance to are oxidizing acid chlorides, wet chlorine, formic and acetic acids, ferric and cupric chlorides, sea water, brine and many mixed or contaminated chemical solutions, both organic and inorganic.

This nickel alloy also offers optimum resistance to environments where reducing and oxidizing conditions are encountered in process streams. This is beneficial in multi- purpose plants where such “upset” conditions occur frequently. This nickel alloy resists the formation of grain-boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process applications in the as-welded condition. Hastelloy C22 can't be used in service temperatures above 1250° F due to the formation of detrimental phases which form above this temperature.

Characteristics of Hastelloy C22:

  • Resistant to pitting, crevice corrosion and stress corrosion cracking
  • Outstanding resistance to both reducing and oxidizing media
  • Excellent resistance to oxidizing aqueous media
  • Exceptional resistance to a wide variety of chemical process environments including strong oxidizers such as ferric acids, acetic anhydride, and seawater and brine solutions
  • Resists the formation of grain-boundary precipitates in the weld heat-affected zone
  • Excellent weldability

Chemical Composition

Grade

C

Mn

Si

S

Co

Ni

Cr

Fe

Mo

P

C22

0.010 max

0.50 max

0.08 max

0.02 max

2.50 max

50.015 min*

20.00 – 22.50

2.00 – 6.00

12.50 – 14.50

0.02 max

Mechanical Properties

Element

Density

Melting Point

Tensile Strength

Yield Strength (0.2%Offset)

Elongation

Hastelloy C22

8.69 g/cm3

1399 °C (2550 °F)

Psi – 1,00,000 , MPa – 690

Psi – 45000 , MPa – 310

45 %

Equivalent Grade

STANDARD

WERKSTOFF NR.

UNS

JIS

GOST

EN

OR

Hastelloy C22

2.4602

N06022

NW 6022

NiCr21Mo14W

Surface Treatment Options

BPE Surface Finish Code

CSI Surface Finish Code

Product Contact Surface

(Max Ra)*

Product Contact Surface Finish Treatment (ID)

Non-Product Contact Surface

(Max Ra)

Non-Product Contact Surface Finish Treatment (OD)

Dimensions & Tolerances (BPE) or (CSI)

SF1

PL

20 µ-inch (0.51 µm)

Mechanical Polish/As Drawn

32 µ-inch (0.81 µm)

Mechanical Polish

BPE

SF5

PO

20 µ-inch (0.51 µm)

Electropolished

32 µ-inch (0.81 µm)

Mechanical Polish

BPE

SF6

P25

25 µ-inch (0.64 µm)

Electropolished

32 µ-inch (0.81 µm)

Mechanical Polish

BPE

N/A

PU

Mill Finish

Unpolished/Mill

Mill Finish

Unpolished/Mill

CSI

Applications:

  • Pharmaceutical industries use alloy C-22 fittings and tubing to avoid contamination caused by corrosion related failures
  • Cellophane manufacturing
  • Chlorination systems
  • Pesticide production
  • Incineration scrubber systems
  • Chemical process industry in equipment like flue gas scrubbers, chlorination systems, sulfur dioxide scrubbers, pulp and paper bleach plants, pickling systems, and nuclear fuel reprocessing
  • Waste water processing

HASTELLOY C22 ELBOW 90 / 180 DEG BUTT-WELDED NICKEL ALLOY FITTING


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