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Alloy C22 is an enhanced nickel-chromium-molybdenum-tungsten alloy designed for superior performance in aggressive industrial environments. This alloy offers exceptional resistance to pitting, crevice corrosion, and chloride stress corrosion cracking, making it ideal for demanding applications.
Key Advantages
Superior overall corrosion resistance compared to Alloy C-276
Outstanding resistance to chloride pitting, crevice corrosion, and stress corrosion cracking
Excellent performance in oxidizing aqueous environments including wet chlorine and nitric acid mixtures with chloride ions
Chemical Composition
Element
Ni
Cr
Mo
Mn
Si
C
S
P
Cu
V
W
Fe
MIN
--
20.0
12.5
--
--
--
--
--
--
--
2.5
--
MAX
balance
22.5
14.5
0.5
0.08
0.015
0.02
0.02
2.5
0.35
3.5
6.0
Mechanical Properties
Temperature (°F)
70
200
400
600
800
1000
1200
1400
Ultimate Tensile Strength (ksi)
114
107
98
95
92
88
83
76
0.2% Yield Strength (ksi)
54
49
41
36
35
34
32
31
Elongation (%)
62
65
66
68
68
67
69
68
Hardness MAX (HRB)
95
--
--
--
--
--
--
--
Fabrication Guidelines
While ductile enough for cold working, intermediate annealing may be required due to work hardening. Forging should be performed between 1750-2050°F followed by rapid cooling. Annealing is recommended at 2020-2150°F with rapid quenching to prevent formation of detrimental phases. Welding can be accomplished using gas tungsten-arc, gas metal-arc, and shielded metal-arc processes.
Industry Standards
Product Form
Standard
Pipe Seamless
B622
Pipe Welded
B619
Tube Seamless
B622
Tube Welded
B626
Sheet/Plate
B575
Bar
B574
Forging
B564
Fitting
B366
Primary Applications
Pharmaceutical industry equipment to prevent contamination from corrosion failures
Cellophane manufacturing processes
Chlorination systems
Pesticide production equipment
Incineration scrubber systems
Chemical process industry including flue gas scrubbers, sulfur dioxide scrubbers, pulp and paper bleach plants, pickling systems, and nuclear fuel reprocessing
Waste water processing systems
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
500,000,000-800,000,000
Employee Number:
100~200
Ecer Certification:
Verified Supplier
Company Overview :
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h... Company Overview :
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h...