Short Radius ASTM B366 Hastelloy C22 2.4602 180 Degree Return B16.9
Short Radius ASTM B366 Hastelloy C22 2.4602 180 Degree Return B16.9
What is Hastelloy C22?
Hastelloy C22 is a nickel-chromium-molybdenum solid solution strengthened super-alloy with a nominal chemical composition of 56% nickel, 22% chromium, and 13% molybdenum, with additions of iron, tungsten, and cobalt.
It is commonly referred to by the tradename Hastelloy® C22 and the universal designation UNS N06022.
Characteristics of Hastelloy C-22
1.Resistant to pitting, crevice corrosion and stress corrosion cracking
2.Outstanding resistance to both reducing and oxidizing media
3.Excellent resistance to oxidizing aqueous media
4.Exceptional resistance to a wide variety of chemical process environments including strong oxidizers
such as ferric acids, acetic anhydride, and seawater and brine solutions
5.Resists the formation of grain-boundary precipitates in the weld heat-affected zone
6.Excellent weldability
Chemical Composition of C22
| 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 |
Equivalent Grade
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| Hastelloy C22 | 2.4602 | N06022 | NW 6022 | NiCr21Mo14W |
Buttweld 180° Return Specification
|
Manufacture Process |
Extrusion moulding, Hot Pressing, Cold-machining, Hot-machining, Welded, Heat treatment |
|
Outside Diameter |
Seamless Elbow ( 1/2″～24″), ERW / Welded / Fabricated Elbow (1/2″～48″) |
|
Wall Thickness |
3mm – 40mm / SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
|
Product's Angle |
5° – 180° Elbows, 90° and 45° Long Radius Elbows, Long Radius Returns, Short Radius Elbows and Returns |
|
Bending Radius |
R=1D – 10D, 15D, 20D |
|
Manufacturing Standards |
ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, GB/T12459, GB/T13401, SH3408, SH3409, JIS B2311/2220, DIN2617/2616/2615 |
Buttweld 180° Return Material Grades
|
Stainless Steel |
ASTM A403 WP304, 304L, 304H, 309, 310, 316, 316L, 317L, 321, 347 |
|
Carbon Steel |
20#, 20G,Q235-A, ASTM A 234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70 |
|
Low Temperature Carbon Steel |
16Mn, ASTM A420 WPL3, A420 WPL6 |
|
Alloy Steel |
ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91, WB36, 12CrMo, 15Cr5Mo, 1Cr5Mo, 12Cr1MoV |
|
Duplex Steel |
ASTM A 815, ASME SA 815 UNS NO S31803, S32205. S31254, 254SMO, S32750,904L |
|
Nickel Alloy Steel |
ASTM / ASME SB 336 UNS 2200 ( NICKEL 200 ), UNS 2201 (NICKEL 201 ), UNS 4400 (MONEL 400 ), UNS 8020 ( ALLOY 20 / 20 CB 3, UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600 ), UNS 6601 ( INCONEL 601 ), UNS 6625 (INCONEL 625), UNS 10276 ( HASTELLOY C 276 ) |
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 % |
Applications:
1.Pharmaceutical industries use alloy C-22 fittings and tubing to avoid contamination caused by corrosion related failures
2.Cellophane manufacturing
3.Chlorination systems
4.Pesticide production
5.Incineration scrubber systems
6.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
7.Waste water processing
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