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China Factory Spesiale Staal Hoë Kwaliteit Nikkellegering Hastelloy C-22 vir Omgewingsvoedselverwerking

1. Uitstekende oksidasieweerstand tot 2200°F
2. Weerstaan ​​spatsels selfs onder erge termiese fietsry toestande
3. Hoogs bestand teen karburasie
4. Goeie kruipbreuksterkte
5. Metallurgical stability 5.Metallurgical stability

  • Produk Beskrywing
  • ondersoek

Model: Hastelloy C-22
Handelsmerk: RONSCO
Code: Alloy1996HC22


HASTELLOY  C-22
UNS-nommer N06022

Other common names: Alloy C22
Hastelloy C22, also known as alloy 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 conditions occur frequently.

Hierdie nikkel-legering weerstaan ​​die vorming van korrelgrensneerslae in die sweislas wat deur hitte aangetas word, en is dus geskik vir die meeste chemiese prosestoepassings in die gelaste toestand.

Alloy C-22 should not be used in service temperatures above 1250° F due to the formation of detrimental phases which form above this temperature.

In what forms is Hastelloy C22 ?
● Blad
● Plaat
● Kroeg
● Pipe & Tube (welded & seamless)
● Toebehore (dws flense, insteekstukke, blindings, sweisnekke, lapjoints, lang sweisnekke, soksweislasse, elmboë, T-stukke, stompe, retournee, doppe, kruise, verkleiners en pypnippels)

Wat is die kenmerke van 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

Chemiese samestelling(%)

C Cr Co Fe Mn Mo Ni P
.010 maks 20-22.5 2.5 maksimum 2.0-6.0 .50 maks 12.5-14.5 Balanseer .02 maks
Si S W V



.08 maks .02 maks 2.5-3.5 .35 maks




In what applications is Hastelloy C22 used?

● 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


Fabrication of Hastelloy C-22

Although ductile enough to be formed by cold working, intermediate annealing may be necessary due to work hardening. Forging should be performed between 1750-2050°F followed by rapid cooling. Annealing can be performed at a temperature range between 2020-2150°F followed by a rapid quench. Cooling at an accelerated rate avoids the formation of detrimental phases which form between 1400-1800°F. Welding can be done by gas tungsten-arc, gas metal-arc and shielded metal-arc processes.

ASTM spesifikasies
Pyp Smls Pyp gesweis Buis Smls Buisgesweis Vel / Plaat bar bewerk Fitting
B622 B619 B622 B626 B575 B574 B564 B366


Meganiese eienskappe
Tipiese kamertemperatuur trek eienskappe van uitgegloeide materiaal

Produkvorm Treksterkte (ksi) .2% opbrengs (ksi) Verlenging% Hardness (HRb)
Plate (.25”-1.75”) 112 53 62 89
Sheet (.038”-.15”) 122 63 54 93
Bar (.50”-5.50”) 115 55 60 89

 

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