| Type: | Stainless Steel Pipes |
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| Standard: | ASTM, AISI, GB, JIS, DIN, EN, ANSI B36.19 |
| Grade: | Super Duplex Uns S32750 ASTM A789 ASME SA789/ A790 |
| Certification: | ISO, AISI, ASTM, GB, EN, DIN, JIS |
| Shape: | Round |
| Technique: | Cold Rolled |
| Customization: |
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About Us
Xiamen Qishine Imp. & Exp. Co., Ltd provides forged flanges with nominal diameter DN15 - DN3000 that suit for Europe, Germany, the United States, France, Britain, Italy, Russia, Japan and domestic chemical standards, EN, DIN, ASME, ANSI, BS, JIS, MSS, API,AWWA, Gost, GB and SAE. Non-standard flanges according to customers' drawings are available also. All our products are made by ISO,PED, EC, EU and API approved manufacturers. Be rest assured about our products quality. And any third party inspection before delivery are welcome.
Stainless Steel Industry Pipe
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Product: |
Seamless Stainless Steel Pipe, Stainless Steel Seamless Pipe |
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Size: |
OD: 3-3000 mm |
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WT: 1.0-150 mm |
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LENGTH: 5.8/6/11.8/12m |
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Pipe Standard: |
ASTM A213, ASTM A312, ASTM A269 |
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DIN 17456,DIN 17457, |
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EN 10216, BS 3605, JIS 3459, JIS3463, GOS T9941 |
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Material: |
304/L,316/L,201,202,301,347/H,316Ti,309s,310s |
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Process: |
Cold drawn, Cold rolled, Precision Rolled |
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Finish: |
Annealed & pickled, bright annealing, polished |
Uns S31803/ S32750 /S32760 Cold Drawn Seamless Austenitic and Duplex Stainless Steel Tube
UNS S31803, S32750, and S32760 are duplex stainless steel grades that offer a unique combination of high strength and excellent corrosion resistance. These grades of stainless steel are used in a wide range of applications, from chemical processing to oil and gas production.
Cold drawn seamless tubes made from UNS S31803, S32750, and S32760 offer a number of advantages over other types of tubes. In this article, we will explore the properties and benefits of cold drawn seamless austenitic and duplex stainless steel tubes made from these grades of stainless steel.
Properties of UNS S31803, S32750, and S32760 Stainless Steel
UNS S31803, S32750, and S32760 stainless steels are all duplex stainless steels, which means that they contain both austenitic and ferritic phases. This unique structure gives these grades of stainless steel a number of desirable properties, including high strength, excellent corrosion resistance, and good weldability.
UNS S31803 is a low-alloyed duplex stainless steel that contains chromium, molybdenum, and nitrogen. It offers excellent resistance to stress corrosion cracking, pitting, and crevice corrosion in a variety of environments.
UNS S32750 is a super duplex stainless steel that contains chromium, molybdenum, and nitrogen, as well as a higher amount of nickel and copper than UNS S31803. It offers excellent resistance to chloride stress corrosion cracking, pitting, and crevice corrosion in aggressive environments.
UNS S32760 is a highly alloyed super duplex stainless steel that contains chromium, molybdenum, and nitrogen, as well as tungsten and copper. It offers even higher levels of strength and corrosion resistance than UNS S32750, making it ideal for use in highly corrosive and demanding environments.
Benefits of Cold Drawn Seamless Tubes
Cold drawn seamless tubes offer a number of benefits over other types of tubes, including:
1.Increased strength: Cold drawn seamless tubes have a higher tensile strength than other types of tubes, making them more resistant to deformation and damage.
2.Improved dimensional accuracy: Cold drawing produces tubes with tighter tolerances and more consistent dimensions than other manufacturing processes.
3.Better surface finish: Cold drawing produces tubes with a smoother surface finish than other manufacturing processes, reducing the risk of corrosion and improving aesthetics.
4.Enhanced ductility: Cold drawn seamless tubes have improved ductility and toughness, making them less prone to cracking and other forms of damage.
Applications of Cold Drawn Seamless Tubes Made from UNS S31803, S32750, and S32760
Cold drawn seamless tubes made from UNS S31803, S32750, and S32760 stainless steels are used in a wide range of applications, including:
1.Chemical processing: These grades of stainless steel are resistant to a variety of corrosive chemicals, making them ideal for use in chemical processing equipment.
2.Oil and gas production: Cold drawn seamless tubes made from UNS S31803, S32750, and S32760 stainless steels are used in oil and gas production equipment, including offshore drilling rigs and pipelines.
3.Marine engineering: The high corrosion resistance and strength of these grades of stainless steel make them ideal for use in marine engineering applications, including shipbuilding and offshore platforms.
4.Power generation: Cold drawn seamless tubes made from these grades of stainless steel are used in power generation equipment, including boilers and heat exchangers.
In conclusion, cold drawn seamless austenitic and duplex stainless steel tubes made from UNS S31803, S32750, and S32760 offer a unique combination of high strength and excellent corrosion resistance.
Comparison of the common grades
Stainless Steel Round Tubing is generally used for structural purposes and applications that range from aesthetic to highly functional. Stainless tubing provides good corrosion resistance, weldability, machinability, and can be easily cleaned and sterilized.
Specifications:
ASTM A312 Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
ASTM A790 Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
ASME SA213 Seamless Ferrite and Austenitic Alloy Steel Pipe for Boiler, Superheater and Heat Exchanger
ASME SA249 Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
GB/T14976-2002 Stainless steel seamless tubes for fluid transport
GB/T12771-2008 Stainless steel welded tubes for fluid transport
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Features of 316 stainless steel seamless pipe:
1.Excellent corrosion resistance
2.Good for cold working or hot working
3.High plasticity and ductility
4.Optimum general performance
5.A wide range of applications
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