310S Stainless Steel Welded Pipe
The core advantage of 310S stainless steel welded pipe is its high-temperature resistance, capable of continuously withstanding 1150℃ and short-term withstand of 1200℃. Leading Innovation Factory in China typically stocks the following specifications: outer diameter 16-219mm, wall thickness 0.8-5.0mm, standard length 6 meters, and supports custom orders.
Due to its high chromium and nickel content (commonly known as "2520 stainless steel"), 310S possesses the ability to continuously withstand 1150℃ and withstand short-term 1200℃ temperatures, making it a preferred material for high-temperature applications such as industrial furnaces and heat exchangers.
Chemical Composition Table of 310S Stainless Steel Welded Pipe (according to GB/T 12771-2019 standard)
|
Elements |
Content range (%) |
Function Description |
|
Carbon (C) |
≤0.08 |
Low-carbon design reduces carbide precipitation at high temperatures, improving weldability and resistance to intergranular corrosion. |
|
Chromium (Cr) |
24.00~26.00 |
Forms a stable chromium oxide protective layer, providing core capabilities for high-temperature oxidation resistance and corrosion resistance. |
|
Nickel (Ni) |
19.00~22.00 |
Stabilizes austenitic structure, enhancing high-temperature strength, toughness, and creep resistance. |
|
Silicon (Si) |
≤1.50 |
Improves melt flowability, further enhancing high-temperature oxidation resistance. |
|
Manganese (Mn) |
≤2.00 |
Increases strength and toughness, optimizing processing performance. |
|
Phosphorus (P) |
≤0.035 |
Harmful impurities are controlled at low levels to reduce brittleness. |
|
Sulfur (S) |
≤0.030 |
Harmful impurities reduce the risk of hot working cracking and improve weld quality. |
|
Iron (Fe) |
Balance |
Matrix elements maintain the basic mechanical properties of the steel. |
Key Grade Comparison:
National Standard New Grade: 06Cr25Ni20 (Unified Numerical Code S31008)
American Standard: UNS S31008, ASTM TP310S
Japanese Standard: SUS310S
German Standard: 1.4845
Comparison Table of Commonly Used High-Temperature Resistant Stainless Steel Pipes
|
Material grade: |
Maximum continuous temperature resistance: |
Core Advantages: |
Oxidation resistance: |
Corrosion resistance |
Applicable Scenarios |
Price Range |
|
304 |
800℃ |
Highly versatile and easy to process |
Average |
Good |
General hot air ducts, low-temperature flue gas |
Affordable |
|
321 |
900℃ |
Contains titanium, resistant to intergranular corrosion |
Good |
Excellent |
Boiler ducts, heat treatment equipment |
Mid-to-high range |
|
309S |
1000℃ |
Superior heat resistance to 321 |
Excellent |
Relatively strong |
Kiln fittings, high-temperature flues |
High range |
|
310S |
1150℃ |
High chromium and high nickel content, top-tier heat resistance |
Very strong |
Strong |
Industrial furnaces, incinerators, high-temperature heat treatment |
High-end (most expensive) |
Stainless Steel Pipe Manufacturer's Recommendation: Choose 304 for low and high temperatures, 321 for medium temperature corrosion resistance, 309S for medium to high temperatures, and 310S is the first choice for ultra-high temperature long-term working conditions.
Hot Tags: 310S Stainless Steel Welded Pipe, China, Manufacturer, Supplier, Factory
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