TP316L Stainless Steel U Bend Tube ASTM A249 Petroleum Chemical Medical Oil Gas
ASTM A249 TP316L Stainless Steel U Bend Tube Petroleum chemical medical
What is Stainless Steel U Bend Tube?
Stainless steel U-tube is also called heterogeneous heating tube. In the high temperature resistance stainless steel seamless tube uniformly distributed in the high temperature resistance wire, in the gap part densely filled with good thermal conductivity and insulation properties of crystalline magnesium oxide powder, this structure is not only advanced, high thermal efficiency, and uniform heat, when the high temperature resistance wire in the current through, the heat generated through the crystalline magnesium oxide powder to the metal tube surface diffusion, and then transferred to the heated parts or water to achieve the purpose of heating.
Simple structure, high thermal efficiency, good mechanical strength, and good adaptability to harsh environment. Stainless steel U-tube can be used for heating of various liquids and acid and alkali salts, and also adapt to the heating and melting of metals with low solubility point (lead, zinc, tin, pasteurized alloy).
ASTM A249 TP316L Equivalent Material Grade
| Standard | Werkstoff Nr. | Unified Numbering System | AFNOR | Japanese Industrial Standards | GOST | British Standards | European Standards |
| SS 316L | 1.4404 / 1.4435 | S31603 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | SUS 316L | 03Ch17N14M3 / 03Ch17N14M2 | 316LS11 / 316LS13 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Mechanical Properties of ASTM A249 TP316L
| Grade | Tensile Str (MPa) min |
Yield Str 0.2% Proof (MPa) min |
Elong (% in 50mm) min |
Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 316L | 485 | 170 | 40 | 95 | 217 |
Chemical Composition of ASTM A249 TP316L
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 316L | Min | – | – | – | – | – | 16.0 | 2.00 | 10.0 | – |
| Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
Physical Composition of ASTM A249 TP316L
| Grade | Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Co-eff of Thermal Expansion (µm/m/°C) | Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Elec Resistivity (nΩ.m) |
|||
| 0-100°C | 0-315°C | 0-538°C | At 100°C | At 500°C | |||||
| 316/L/H | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
Application
Heat Exchanger
Condenser
Food equipment
Petroleum
chemical
medical
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