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253mA Hot Rolled Polished Stainless Steel Pipe and Seamless Tube for High Temperature Applications
Product Details
| Model Number | 1.4835/S30815/253mA | Shape | Round |
|---|---|---|---|
| Technique | Hot Rolled | Surface Treatment | Polished |
| Outer Diameter | 6-630mm | Production Capacity | 500000kgs |
| Max Temperature | 1150°C | Tensile Strength | 600 MPa Min |
| Yield Strength | 310 MPa Min | Elongation | 40% Min |
| Hardness | 95 HRB Max | Density | 7800 Kg/m3 |
| Elastic Modulus | 200 GPa | Thermal Conductivity | 15.0 W/m.K At 20°C |
| Electrical Resistivity | 850 NW.m | ||
| Highlight | 253mA Stainless Steel Pipe,Hot Rolled Stainless Steel Tube,Polished Seamless Tube |
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Product Description
1.4835/S30815/253mA Stainless Steel Pipe & Seamless Tube
UNS S30815 253MA stainless steel is a specialized grade that combines excellent high-temperature service properties with ease of fabrication. This austenitic stainless steel resists oxidation at temperatures up to 1150°C and provides superior performance to Grade 310 in carbon, nitrogen, and sulphur-containing atmospheres.
Key Features & Benefits
- Excellent oxidation resistance up to 1150°C
- Superior performance in carbon, nitrogen, and sulphur atmospheres
- Good oxide stability and high elevated temperature strength
- Excellent resistance to sigma phase precipitation
- Maintains toughness even at cryogenic temperatures
- Lower nickel content provides advantages in reducing sulphide atmospheres
Specifications & Standards
ASME SA 182, ASME SA 213, ASTM A 240, ASTM A 276, ASTM A 312, ASTM A 479, UNS S30815, Werkstoff 1.4835
Common Stainless Steel Grade Comparison
| ASTM | JIS | AISI | EN |
|---|---|---|---|
| S30100 | SUS301 | 301 | 1.431 |
| S30400 | SUS304 | 304 | 1.4301 |
| S30403 | - | 304L | 1.4307 |
| S31008 | SUS310S | 310S | 1.4845 |
| S31603 | - | 316L | 1.4404 |
| S32100 | SUS321 | 321 | 1.4541 |
| S41008 | SUS410S | 410S | - |
| S43000 | SUS430 | 430 | 1.4016 |
| S43932 | - | - | 1.451 |
| S44400 | SUS444 | 444 | 1.4521 |
| S44500 | SUS430J1L | - | - |
Dimension Ranges
Width: 600mm - 2030mm
Thickness: 0.1mm - 120.0mm
Length: 300mm - 6000mm (Maximum 18000mm)
Thickness: 0.1mm - 120.0mm
Length: 300mm - 6000mm (Maximum 18000mm)
Surface Finish Options
No.1, 2B, BA, No.3, No.4, No.5, No.8, HL, Etching, SB, Ti-coating, color-coating, embossing
Applications
Typical applications for 253MA stainless steel include:
- Furnace components (burners, retorts, conveyor belts, fans)
- Jigs, baskets, rollers, and walking beams
- Radiant tubes and electric heater elements
- Refractory anchors, hoods, flues, and grates
- Expansion bellows and petrochemical tube hangers
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| C | 0.05 | 0.10 |
| Mn | - | 0.80 |
| Si | 1.10 | 2.00 |
| P | - | 0.040 |
| S | - | 0.030 |
| Cr | 20.0 | 22.0 |
| Ni | 10.0 | 12.0 |
| N | 0.14 | 0.20 |
| Ce | 0.03 | 0.08 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (MPa) min | 600 |
| Yield Strength 0.2% Proof (MPa) min | 310 |
| Elongation (% in 50mm) min | 40 |
| Rockwell B (HR B) max | 95 |
| Brinell (HB) max | 217 |
Physical Properties
| Property | Value |
|---|---|
| Density (kg/m³) | 7800 |
| Elastic Modulus (GPa) | 200 |
| Mean Coefficient of Thermal Expansion (mm/m/°C) 0-100°C | 17.0 |
| Mean Coefficient of Thermal Expansion (mm/m/°C) 0-600°C | 18.5 |
| Mean Coefficient of Thermal Expansion (mm/m/°C) 0-1000°C | 19.5 |
| Thermal Conductivity (W/m.K) at 20°C | 15.0 |
| Thermal Conductivity (W/m.K) at 1000°C | 29.0 |
| Specific Heat 0-100°C (J/kg.K) | 500 |
| Electrical Resistivity (nW.m) | 850 |
International Grade Equivalents
| UNS No | Euronorm | Swedish SS | Japanese JIS |
|---|---|---|---|
| S30815 | 1.4835 X9CrNiSiNCe21-11-2 | 2368 | - |
These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed, original specifications must be consulted.
Alternative Material Options
| Grade | Selection Considerations |
|---|---|
| 310 | Carburising atmospheres require a higher nickel content |
| 304H | Lower cost alternative for operating temperatures below about 800°C |
| Nickel Alloys | For carburising atmospheres or temperatures above 1100-1150°C maximum of 253MA |
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