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ASTM A312 253MA / UNS S30815 / EN 1.4835 Stainless Steel Seamless Pipe
ASTM A312 253MA / UNS S30815 / EN 1.4835 Stainless Steel Seamless Pipe
Class：Stainless steel pipes
Time：2024-05-30
Introduction：WuXi Sylaith Special Steel Co., Ltd. is a large production and supply enterprise, is a collection of carbon steel sheet, seamless steel pipes, stainless steel sheet, stainless steel pipe, copper alloy, aluminum alloy, production, trade, export, logistics, service, new product development in one of the large steel enterprises.
PRODUCT DETAILS
253MA, also known as UNS S30815, is a high-temperature austenitic stainless steel alloy that provides good oxidation resistance at elevated temperatures. It contains relatively high levels of both chromium and nickel, along with additions of nitrogen and manganese, to enhance its high-temperature capabilities. The alloy also exhibits good creep strength and structural stability at high temperatures, making it a valuable material in challenging operating conditions.
Equivalent Grades of ASTM A312 253MA SS Pipe
Grade | UNS | WERKSTOFF NR. | EN | SS |
253MA(UNS S30815) | S30815 | 1.4835 | X9CrNiSiNCe21-11-2 | 2368 |
Chemical Composition of ASTM A312 253MA SS Pipe
Grade | C max | Si max | Mn max | P max | S max | Cr | Ni | Mo | N |
UNS S30815 | 0.05~0.10 | 1.4~2.0 | 0.80 | 0.030 | 0.030 | 20.0-22.0 | 10.0-12.0 | / | 0.14-0.20 |
Physical properties of ASTM A312 253MA SS Pipe
Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (mm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat | Electrical Resistivity (nW.m) | |||
0-100°C | 0-600°C | 0-1000°C | at 20°C | at 1000°C | 0-100°C (J/kg.K) | |||
7800 | 200 | 17 | 18.5 | 19.5 | 15 | 29 | 500 | 850 |
Mechanical Properties of ASTM A312 253MA SS Pipe
Tensile Str (MPa) min | Yield Str 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | |||
600 | 310 | 40 | 95 | 217 |
Key properties of 253MA / UNS S30815 include:
· High oxidation resistance: It can withstand high temperatures and resist oxidation, making it suitable for use in heat treatment equipment, industrial furnaces, and other high-temperature applications.
· Good creep strength: The alloy maintains its strength and structure even under prolonged exposure to high temperatures.
· Excellent resistance to sulfidation and carburization: It can resist damage caused by sulfur and carbon compounds in harsh environments.
· High weldability: 253MA stainless steel can be easily welded using common welding techniques.
Standard Available in forms
• ASTM A182/ ASME SA182 Stainlees Steel Pipe Fittings
• ASTM A213 / ASME SA213 Seamless Stainless Steel Pipes
• ASTM A240/ ASME SA240 Stainless Steels Sheets / Plates
• ASTM A249/ ASME SA249 Stainless Steel Welded Tubes
• ASTM A269/ ASME SA269 Stainless Steel Tubes
• ASTM A270/ ASME SA270 Stainless Steel Sanitary Tubes
• ASTM A312/ ASME SA312 Stainless Steel Pipes
• ASTM A403/ ASME SA403 Stainless Steel Pipe Fittings
• ASTM A554/ ASME SA554 Stainless Steel Welded Tubes
• ASTM A731/ ASME SA731 Stainless Steel Pipes
• ASTM A789/ ASME SA789 Stainless Steel Tubes
• ASTM A790/ ASME SA790 Stainless Steel Pipes
• ASTM A791/ ASME SA791 Stainless Steel Tubes
Apllications
Chemical
Pharmaceutical & Bio-Medical
Petrochemical & Refinery
Environmental
Food Processing
Chemical Fertilizer
Sewage Disposal
Desalination
Waste Incineration etc.
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