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310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,
310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,
310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,
310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,
310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,
310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,
310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,
310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,
Specifications
Certification :
Customizable
Place of Origin :
China, South Korea, Japan, the United States, Germany, Sweden
Outer Diameter Range :
14mm~219mm(Customizable)
Surface condition :
0.2~0.4um(Customizable)
mentation standards :
GB,ASTM/ASMB/ASME SA,EN10217-7,JISG,JISG,DIN11850...
Model Number :
Customizable
Supply status :
Profiles, tubes, bars...(Customizable)
Price :
negotiate
Brand Name :
Qin Shan...
Packaging Details :
negotiate
Wall Thickness Range :
1mm~14mm(Customizable)
Range of lengths :
1000mm~12000mm(Customizable)
Supply Ability :
negotiate
Delivery Time :
negotiate
Material (steel grade) :
310S,309S,253MA,S30815,S31008...
MOQ :
negotiate
Description
All four types are high-alloy heat-resistant austenitic stainless steels, designed as "special forces" specifically for high-temperature service conditions. In simple terms: 309S and 310S are "basic models for high-temperature oxidation resistance", while 253MA (S30815) is an upgraded version optimized for strength and cost on this basis.
A comparison of their core properties and industrial applications is as follows:
· 310S (0Cr25Ni20): The top performer in high-temperature oxidation resistance. It has the highest chromium and nickel content (25% Cr / 20% Ni), with a long-term service temperature of up to 1150℃, and excellent oxidation resistance and creep resistance. It is mainly used in extreme high-temperature scenarios such as boiler superheaters, high-temperature furnace tubes, and heat treatment equipment.
· 309S (0Cr23Ni13): A cost-effective choice for medium-temperature ranges. Its heat resistance is slightly lower, with a recommended service temperature below 980℃, but its low carbon content (≤0.08%) gives it significantly better weldability than 310S and strong intergranular corrosion resistance. It is mainly used in medium and high-temperature industrial scenarios such as heating furnace components, heat exchangers, and automotive exhaust parts.
· 253MA (S30815): An economical tough guy with high strength and heat resistance. Featuring a nickel-saving design, it has lower chromium and nickel contents than 310S but is added with rare earth element cerium (Ce) and nitrogen (N). Its short-term high-temperature strength is more than 20% higher than that of 310S, with superior performance in the temperature range of 900-1100℃ and lower cost. It is commonly used in high-temperature pressure-bearing or non-pressure-bearing components such as cement kilns and metallurgical sintering equipment.
How to choose?
· For cost-sensitive applications requiring higher strength (such as pressure-bearing parts above 900℃), choose 253MA, which is cheaper and stronger than 310S.
· For harsh service conditions with long-term operation above 1100℃ and extremely high creep resistance requirements, choose 310S, whose pure high-temperature oxidation resistance is unparalleled.
· For temperatures below 980℃ with high requirements for welding quality, choose 309S, which is sufficient for this range and easy to weld.

310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,


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310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,

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Product Detail
Certification :
Customizable
Place of Origin :
China, South Korea, Japan, the United States, Germany, Sweden
Outer Diameter Range :
14mm~219mm(Customizable)
Surface condition :
0.2~0.4um(Customizable)
mentation standards :
GB,ASTM/ASMB/ASME SA,EN10217-7,JISG,JISG,DIN11850...
Model Number :
Customizable
Contact Supplier
310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,
310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,
310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,
310S, 309S, 253MA, S30815, S31008... Heat-resistant seamless pipes are used for high-temperature strength and oxidation resistance, coking resistance... in fields such as energy and chemical industry,

Wuxi ShunQi Metal Materials Co., Ltd.

Verified Supplier
1 Years
jiangsu, wuxi
Since 2011
Business Type :
Manufacturer
Main Products :
Seamless steel pipe, Steel Coil, Welded steel pipe
Total Annual :
65000000 Dollars-85000000 Dollars
Employee Number :
50~70
Certification Level :
Verified Supplier
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