ASTM A312 254MA Stainless Steel Seamless Pipe SCH40S SCH80S SCH160S UNS S30815 SS Pipe
| Specifications | ASTM / ASME A312 / SA312 |
| Seamless Pipes & Tubes Sizes | 1 / 2" NB - 8" NB |
| Welded Pipes & Tubes Sizes | 6" NB - 24" NB |
| Outer Diameter | 6.0-630mm |
| Schedule | SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS |
| Thickness | 0.3mm – 50 mm |
| Type | Seamless / ERW / Welded/ Fabricated |
| Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Single Random, Double Random & Cut Length |
| End | Plain End, Beveled End, Treaded |
253MA (UNS S30815) stainless steel is an austenitic, chromium-nickel stainless steel alloyed with nitrogen and reactive elements and suitable for a wide range of fabrication at the high temperatures. It resists oxidation at temperatures up to 1150°C
Alloy 253MA s30815 Pipe Chemical Analysis
| % | Cr | Ni | Si | C | Mn | P | S | N | Ce | Fe |
| Min | 20 | 10 | 1.4 | 0.05 | - | - | - | 0.14 | 0.03 | Balance |
| Max | 22 | 12 | 2 | 0.1 | 0.8 | 0.04 | 0.03 | 0.2 | 0.08 | - |
Physical properties of 253MA grade stainless steel 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 |
Stainless steel S30815 Mechanical Properties
| 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 |
Equivalent Grades of 253MA Stainless steel
| Grade | UNS | WERKSTOFF NR. | EN | SS |
| 253MA(UNS S30815) | S30815 | 1.4835 | X9CrNiSiNCe21-11-2 | 2368 |
| ASME SA312 /ASTM A312 | Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| Material Grade | S20400 | TPXM-19 | S20910 | TPXM-11 | S21900 |
| TP304N | S30451 | TP304LN | S30453 | S30600 |
| S30941 | S31002 | TP310S | S31008 | TP310H |
| TP316 | S31600 | TP316L | S31603 | TP316H |
| S31725 | S31726 | TP321 | S32100 | TP321H |
| TP347LN | S34751 | TP348 | S34800 | TP348H |
| TPXM-29 | S21904 | TP304 | S30400 | TP304L |
| S30615 | S30815 | TP309S | S30908 | TP309H |
| S31009 | TP310Cb | S31040 | TP310HCb | S31041 |
| S31609 | TP316N | S31651 | TP316LN | S31653 |
| S32109 | S32615 | S32654 | S33228 | S34565 |
| S34809 | S35045 | S35315 | TPXM-15 | S38100 |
| S30403 | TP304H | S30409 | S30415 | TP347 |
| S30909 | TP309Cb | S30940 | TP309HCb | S34700 |
| S31060 | S31254 | S31272 | S31635 | TP347H |
| TP317 | S31700 | TP317L | S31703 | S34709 |
| NO8367 | NO8926 | NO8904 | | |
| Size | 1/2''~48'' |
| Thickness | SCH5~SCHXXS |
| End | Beveled End,Plain End |
| Length | As per your requirement. |
| Packing | Export Standard packing or as per your requirements. |
Applications
including burners, retorts, conveyor belts, fans, jigs and baskets, rollers, walking beams, radiant tubes, electric heater elements, refractory anchors, hoods, flues, grates, expansion bellows.
Petrochemical and refinery tube hangers.
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ASTM A312 254MA Stainless Steel Seamless Pipe SCH40S SCH80S SCH160S UNS S30815 SS Pipe Images
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