Your Professional S31254 Stainless Steel Pipe Supplier
ALLOK (Jiaxing) Metal Materials Co.,Ltd. was built in 2018, it owns two production bases in Jiaxing city and Yancheng city, equipped with precision cold rolling machines, cold drawing machines, bright annealing furnace, ultrasonic cleaning tank, passivation tanks, multi-line electropolishing devices, ultrapure water preparation machine, dryer, clean room, eddy current testing detector, ultrasonic flaw detector and other equipment, focusing on the production of stainless steel tubes, stainless steel pipes and nickel alloy tubes. for non-standard products that need to be customized, we have the ability to sample and mass produce for customers in a relatively short period of time.
Why Choose Us
Rich Products
Our company can produce stainless steel tubes, nickel alloy tubes, electrolytic polished tubes, bright annealed tubes, stainless steel coils, stainless steel capillary tubes, alloy tubes, etc.
Products Widely Used
The products produced by our company can be widely used in the biopharmaceutical industry, fine chemical industry, semiconductor industry, instrumentation industry, gas engineering industry and aerospace industry.
Advanced Production Equipment
Our company has advanced production equipment, such as precision cold rolling mills, cold drawing machines, bright annealing furnaces, ultrasonic cleaning tanks, passivation tanks, multi-line electrolytic polishing devices, etc.
Quality Guaranteed
All products we produce have ISO9001:2015 certificates, and all products are strictly tested in accordance with industry standards and contract agreements before leaving the factory. MTC is provided, and third-party testing certificates can be provided when necessary.
Specification
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Item |
Stainless Steel Pipe/Tube |
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Steel Grade |
200/300/400 series |
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Standard |
ASTM A213,A312 ASTM A269,ASTM A778,ASTM A789,DIN 17456,DIN17457,DIN17459,JIS G3459,JIS G3463,GOST9941,EN10216,BS3605,GB13296 |
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Material |
304,304L,309S,310S,316,316Ti,317,317L,321,347,347H,304N,316L,316N,201,202 |
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Surface |
Polishing,annealing,pickling,bright |
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Type |
Hot rolled and Cold rolled |
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Stainless steel round pipe/tube |
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Size |
Wall thickness |
1-150mm(SCH10-XXS) |
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Outer diameter |
6-2500mm(3/8''-100'') |
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Stainless steel square pipe/tube |
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Size |
Wall thickness |
1-150mm(SCH10-XXS) |
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Outer diameter |
4*4mm-800*800mm |
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Stainless steel rectangular pipe/tube |
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Size |
Wall thickness |
1-150mm(SCH10-XXS) |
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Outer diameter |
6-2500mm(3/8''-100'') |
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Length |
4000mm,5800mm,6000mm,12000mm,or as required. |
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Exceptional Corrosion Resistance:S31254 pipes offer outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. This is primarily due to their high molybdenum content (6-7%) and the presence of nitrogen (0.18-0.22%). The synergistic effect of these alloying elements creates a stable passive layer on the surface of the material, protecting it from aggressive media.
High Strength and Ductility:Despite its excellent corrosion resistance, S31254 does not compromise on mechanical properties. It exhibits high yield and tensile strength, along with good ductility. This combination allows S31254 pipes to withstand high pressures and temperatures while maintaining structural integrity.
Temperature Resistance:S31254 pipes can operate effectively across a wide range of temperatures, from cryogenic conditions to elevated temperatures up to 600°C (1112°F). This versatility makes them suitable for various applications in chemical processing, oil and gas, and marine environments.
Excellent Weldability:S31254 pipes can be easily welded using conventional welding techniques, such as TIG, MIG, and SAW. The material's composition ensures good weld strength and corrosion resistance in the heat-affected zone, maintaining the integrity of the entire piping system.
Low Magnetic Permeability:The austenitic structure of S31254 results in very low magnetic permeability, making it suitable for applications where magnetic properties could interfere with equipment or processes.
Resistance to Chloride:Induced Stress Corrosion Cracking: S31254 pipes exhibit superior resistance to chloride-induced stress corrosion cracking, a common problem in many industrial environments. This property makes them particularly valuable in marine and chemical processing applications.
Good Machinability:Despite its high strength, S31254 offers relatively good machinability compared to other high-alloy stainless steels. This facilitates easier fabrication and assembly of piping systems.
Low Thermal Expansion:S31254 has a lower coefficient of thermal expansion compared to standard austenitic stainless steels, which can be advantageous in applications involving temperature fluctuations.
Product Paramenters
|
Item |
Value |
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Place of Origin |
China |
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Type |
Seamless |
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Tolerance |
±10% |
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Processing Service |
Welding |
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Section Shape |
Round |
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Surface Finish |
Polishing sandbllasting |
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Invoicing |
By actual weight |
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Delivery Time |
45-60 days |
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MOQ |
200kg |
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Shape |
Round.square.Rectangle |
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Thickness |
0.5-65mm |
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Certification |
GOST,ISO9001-2015,Ad2000,PED 2014/68/EU,BV Mode II |
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Length |
0.5~30 Mtr |
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Pipe Marking |
Customized |
S31254 Stainless Steel Pipe Chemical Composition
|
SMO 254 |
Ni |
C |
Mo |
Mn |
Si |
Fe |
Cu |
S |
P |
Cr |
|
17.5 – 18.5 |
0.02 max |
6 – 6.5 |
1 max |
0.8 max |
– |
0.5 – 1 |
0.01 max |
0.03 max |
19.5 – 20.5 |
S31254 Stainless Steel Pipe Mechanical Properties
|
Density |
Melting Point |
Yield Strength (0.2%Offset) |
Tensile Strength |
Elongation |
|
8.0 g/cm3 |
1320-1390 ℃ |
300 |
650 |
35 % |
The Common Applications Of S31254 Stainless Steel Pipe
Oil and Gas Industry:
In the oil and gas sector, S31254 pipes are widely used in offshore and onshore installations where exposure to seawater and corrosive fluids is common. Specific applications include:
Seawater cooling systems in offshore platforms
Firewater systems in both offshore and onshore facilities
Topside piping for oil and gas processing
Subsea pipelines for transportation of hydrocarbons
Desalination units in oil refineries
Sour gas handling systems, where resistance to hydrogen sulfide is crucial
Chemical Processing Industry:
The chemical industry often deals with highly corrosive media, making S31254 pipes an ideal choice for various applications:
Process piping for handling aggressive chemicals
Heat exchangers in corrosive environments
Storage and transportation of acids, including sulfuric, phosphoric, and nitric acids
Chlor-alkali production plants
Flue gas desulfurization systems in power plants
Reactor vessels and associated piping in chemical plants
Pulp and Paper Industry:
In pulp and paper manufacturing, S31254 pipes are used in areas where standard stainless steels would quickly deteriorate:
Digesters and associated piping for pulp processing
Bleaching plant equipment and piping
Black liquor evaporators and recovery boilers
Chemical storage and transfer systems
White water systems in paper mills
Food and Beverage Industry:
While not as common as in more corrosive industries, S31254 pipes find use in certain food and beverage applications where hygiene and corrosion resistance are critical:
Piping systems for highly acidic food products
Equipment for processing tomato-based products
Brine handling systems in food processing
High-temperature cooking equipment exposed to salt-rich environments
FAQ
We're well-known as one of the leading s31254 stainless steel pipe manufacturers and suppliers in China. Please feel free to wholesale custom made s31254 stainless steel pipe at competitive price from our factory.
, Incoloy Pipe