JUDE STEEL MANUFACTURING CO., LTD
| Type | Seamless |
| Advantage | corrosion resistant stainless steel pipe, high temperature resistant seamless pipe |
| Payment Terms | T/T |
| Packaging Details | Standard Package |
| Supply Ability | Adequate production |
| Standard | ASTM A312 |
| WT | 0.5–50 mm |
| Length | 5,000–12,000 mm; Custom lengths available |
| Delivery Time | 8 ~ 14 days |
| Product name | 310S stainless steel seamless pipe |
| Material Grade | 310S |
| OD | 6–630 mm |
| Model Number | 310S |
| Place of Origin | China |
| Brand Name | JUDE STEEL |
| Certification | ISO,SGS,CE,BIS |
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Product Specification
| Type | Seamless | Advantage | corrosion resistant stainless steel pipe, high temperature resistant seamless pipe |
| Payment Terms | T/T | Packaging Details | Standard Package |
| Supply Ability | Adequate production | Standard | ASTM A312 |
| WT | 0.5–50 mm | Length | 5,000–12,000 mm; Custom lengths available |
| Delivery Time | 8 ~ 14 days | Product name | 310S stainless steel seamless pipe |
| Material Grade | 310S | OD | 6–630 mm |
| Model Number | 310S | Place of Origin | China |
| Brand Name | JUDE STEEL | Certification | ISO,SGS,CE,BIS |
| High Light | 310S Stainless Steel Seamless Pipe ，Construction Stainless Steel Seamless Pipe ，SS Seamless Pipe Corrosion Resistant | ||
ASTM A312 310S Stainless Steel Seamless Pipe UNS S31008 is a high-temperature austenitic stainless steel pipe designed for demanding industrial service where excellent oxidation resistance, corrosion resistance, and elevated-temperature strength are required. Manufactured in accordance with ASTM A312, this seamless pipe provides a uniform structure and reliable performance for high-temperature piping systems.
Specifications of ASTM A312 310S Stainless Steel Seamless Pipe
ASTM A312 310S Stainless Steel Seamless Pipe (UNS S31008) is available in a wide range of outside diameters, wall thicknesses, and lengths for high-temperature furnace, heat-treatment, petrochemical, and industrial piping applications.
| Specification | Details |
|---|---|
| Product Name | 310S Stainless Steel Seamless Pipe |
| Standard | ASTM A312 / ASME SA312 |
| Material Grade | 310S |
| UNS No. | S31008 |
| AISI Grade | 310S |
| EN Grade | 1.4845 / X8CrNi25-21 |
| JIS Grade | SUS310S |
| Pipe Type | Seamless |
| Manufacturing Process | Hot Rolled / Cold Drawn |
| Outside Diameter (OD) | 6–630 mm |
| Wall Thickness (WT) | 0.5–50 mm |
| Length | 5,000–12,000 mm; Custom lengths available |
| Surface | Pickled, Annealed & Pickled, Bright Annealed, Polished |
| Heat Treatment | Solution Annealed |
| End Type | Plain End, Beveled End, Threaded End |
| Tolerance | According to ASTM A312 / ASME requirements |
| Testing | Hydrostatic Test / Nondestructive Electric Test |
| Application | Furnaces, Heat Treatment, Petrochemical, Chemical Processing, High-Temperature Piping |
310S stainless steel seamless pipe primarily contains chromium (Cr) and nickel (Ni) elements, with chromium content approximately 25% and nickel content about 20%. This high chromium and nickel content provides excellent oxidation resistance and corrosion resistance. Additionally, it contains small amounts of silicon (Si), manganese (Mn), phosphorus (P), sulfur (S), and other elements.
With its high chromium and nickel content, 310S stainless steel offers excellent resistance to oxidation and carburization at elevated temperatures while maintaining good mechanical stability. It is particularly suitable for industrial furnaces, heat treatment equipment, furnace components, petrochemical processing, thermal processing systems, and other high-temperature applications.
Key Features Of S31008 Seamless PipeASTM A312 310S Stainless Steel Seamless Pipe (UNS S31008) is an austenitic stainless steel with high chromium and nickel content. Its chemical composition provides excellent resistance to oxidation, corrosion, and high-temperature environments, making it suitable for industrial furnaces, heat treatment equipment, petrochemical systems, and high-temperature piping applications.
| Element | Composition (wt. %) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 24.0–26.0 |
| Nickel (Ni) | 19.0–22.0 |
| Iron (Fe) | Balance |
The following values are commonly specified for ASTM A312 TP310S / UNS S31008 stainless steel seamless pipe in the annealed condition.
| Property | Requirement / Typical Value |
|---|---|
| Tensile Strength, min. | 515 MPa (75 ksi) |
| Yield Strength, 0.2% Offset, min. | 205 MPa (30 ksi) |
| Elongation in 2 in. (50 mm), min. | 35% |
| Reduction of Area | Typically ≥ 40%* |
| Hardness, Brinell | ≤ 217 HB* |
| Hardness, Rockwell B | ≤ 95 HRB* |
| Physical Property | Typical Value |
|---|---|
| Density | 7.9–8.0 g/cm³ |
| Melting Range | ~1,400–1,450°C |
| Specific Heat Capacity | ~500 J/(kg·K) |
| Thermal Conductivity at 20°C | ~14.2 W/(m·K) |
| Electrical Resistivity at 20°C | ~0.78 μΩ·m |
| Elastic Modulus at 20°C | ~200 GPa |
| Poisson's Ratio | ~0.30 |
| Coefficient of Thermal Expansion, 20–100°C | ~15.0 × 10⁻⁶ /K |
| Magnetic Property | Generally non-magnetic in the annealed condition |
310S Stainless Steel Seamless Pipe is commonly used for:
ASTM A312 310S Stainless Steel Seamless Pipe (UNS S31008) is widely used in furnace and heat-treatment equipment because of its excellent high-temperature oxidation resistance, corrosion resistance, and thermal stability. Its high chromium and nickel content allows it to maintain reliable performance in demanding elevated-temperature environments.
Typical Furnace Applications
| Furnace Application | Use of 310S Seamless Pipe |
|---|---|
| Heat Treatment Furnaces | Furnace piping, heating-system components, and high-temperature process lines |
| Industrial Heating Furnaces | High-temperature gas and process piping |
| Annealing Furnaces | Protective atmosphere and process gas piping |
| Carburizing Furnaces | Furnace tubes and piping exposed to carburizing atmospheres |
| Cement Kilns & Thermal Equipment | High-temperature process and exhaust piping |
| Petrochemical Furnaces | Process piping and furnace-related equipment |
| Metal Heat Treatment | Furnace components and high-temperature circulation systems |
| Incinerators | High-temperature gas and exhaust piping |
| Ceramic & Glass Furnaces | High-temperature process and gas-handling components |
| Atmosphere-Controlled Furnaces | Protective gas and process gas lines |
1. Excellent oxidation resistance
The high chromium content of 310S helps form a protective oxide layer, providing good resistance to oxidation during prolonged exposure to elevated temperatures.
2. Good high-temperature stability
The high nickel content helps maintain the austenitic structure and contributes to stable performance under high-temperature service conditions.
3. Good resistance to carburizing environments
310S can be used in selected furnace atmospheres where carburization is a concern, subject to the actual operating conditions.
4. Good corrosion resistance
310S offers good corrosion resistance in many oxidizing and high-temperature environments, making it suitable for demanding furnace systems.
5. Seamless construction
The seamless pipe design provides a uniform pipe structure without a longitudinal weld seam, making it useful for demanding process and pressure applications where seamless construction is specified.
The suitability of 310S depends on the actual furnace temperature, atmosphere, pressure, thermal cycling, and corrosive medium. For particularly severe furnace environments, material selection should be based on the specific operating conditions rather than temperature alone.
ASTM A312 310S Stainless Steel Seamless Pipe is a high-temperature austenitic stainless steel pipe manufactured according to ASTM A312 requirements. It is made from 310S stainless steel (UNS S31008) and is widely used in high-temperature, corrosive, and demanding industrial environments.
2. What is the equivalent grade of 310S stainless steel?The main designation is:
Yes. 310S is specifically valued for high-temperature service because of its high chromium and nickel content. It provides excellent oxidation resistance and good structural stability at elevated temperatures.
It is commonly used in industrial furnaces, furnace components, heat-treatment equipment, burners, petrochemical equipment, and thermal processing systems.
4. What is the difference between 310 and 310S stainless steel?The main difference is carbon content. 310S has a lower maximum carbon content than 310, which improves weldability and reduces the tendency toward sensitization during welding and thermal exposure.
5. Is ASTM A312 310S pipe seamless?Yes. ASTM A312 covers seamless, welded, and heavily cold-worked austenitic stainless steel pipe. A pipe specified as ASTM A312 TP310S Seamless Pipe is produced without a longitudinal welded seam.
6. Is 310S stainless steel corrosion resistant?Yes. 310S provides good to excellent corrosion resistance, particularly in many oxidizing and high-temperature environments. Its high chromium content contributes significantly to its oxidation and corrosion resistance.
However, the actual corrosion performance depends on the temperature, chemical medium, concentration, pressure, and operating conditions.
7. Can 310S stainless steel seamless pipe be welded?Yes. 310S has good weldability and can be welded using commonly used stainless steel welding processes. Proper welding procedures, filler selection, heat input control, and post-weld treatment should be determined according to the specific application and applicable welding standards.
8. Is 310S stainless steel magnetic?310S is an austenitic stainless steel and is generally non-magnetic in the annealed condition. However, cold working can produce some measurable magnetic response.
Company Details
Business Type:
Manufacturer
Year Established:
2008
Total Annual:
40,000 tons-50,000 tons
Employee Number:
80~99
Ecer Certification：
Verified Supplier
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