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(Super) duplex stainless steel tubes
- 100000 per Month
- T/T L/C D/P D/A
- 7 days
Product Details
Brand Name: | SunnySteel | Place of Origin: | China | Model Number: | 1013 |
Product Description
(Super) duplex stainless steel tubes mainly used in the waters of the environment, petrochemical industry, chemical fertilizer industry, oil refining industry, oil and gas industry, light industry and food industry, pulp and paper industry, energy and environmental protection industries.
Main standard:
GB/T 21832 austenite grain size-iron duplex stainless steel welded tube
GB/T 21833 austenite grain size-iron duplex steel stainless steel seamless steel tube
ASTM A789 (ASME SA789) general purpose seamless and welding ferritic/austenitic stainless steel pipe
ASTM A790 (ASME SA790) seamless and welding ferritic/austenitic stainless steel nominal pipe
ASTM A928 stuffed electric welding metal ferrite/austenite (dual) stainless steel pipe standards
Material:UNS S32001, S31500, S32304, S31803 S32205, S32760, S32750
Tags: UNS S32001 pipe, S31500 pipe, S32304 pipe, S31803 pipe, S32205 pipe, S32760 pipe, S32750 pipe
Duplex Applications
Chemical processing, transport and storage,
Oil and Gas exploration and processing equipment,
Marine and other high chloride environments,
Pulp and paper digesters, liquor tanks and paper machines.
Duplex Corrosion Resistance
Excellent general corrosion resistance; superior to Grade 316 in most environments. Excellent resistance to localized corrosion including intergranular, pitting and crevice corrosion; the CPT of 2205 is generally at least 35ºC. The grade is also resistant to chloride stress corrosion cracking (SCC) at temperatures of up to about 150ºC. Grade 2205 will often perform well in environments which cause premature failure of austenitic grades. It has better resistance to sea water then Grade 316.
Duplex Heat Resistance
Although 2205 has good high temperature oxidation resistance, this grade - like other duplex stainless steels - suffers from embrittlement if held for even short times at temperatures above 300ºC. If embrittled, this can only be rectified by a full solution annealing treatment. Duplex stainless steels are almost never used above 300ºC.
Duplex Heat Treatment
Solution treatment (annealing) - heat to 1020ºC-1100ºC and cool rapidly. This grade cannot be hardened by thermal treatment, but does work harden.
Contact Us
- SunnySteel Enterprise Ltd.
- Contact nameSum Xuu
- Phone86-21-33780199
- AddressNo. 273, Siping Road, Shanghai, 200081, China
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