ASME SA268 TP430 S43000 Ferritic Stainless Steel Seamless Tube for Oil and Gas Industry
ASME SA268 TP430 Stainless Steel Seamless Tube Chemical Composition
| Grade: | TP410 | TP430 | TP439 |
| UNS | S41000 | S43000 | S43035 |
| C, Max | 0.15 | 0.12 | 0.07 |
| Mn,Max | 1 | 1 | 1 |
| P, Max | 0.04 | 0.04 | 0.04 |
| S, Max | 0.03 | 0.03 | 0.03 |
| Si, Max | 1 | 1 | 1 |
| Ni | … | … | 0.50max |
| Cr | 11.5-13.5 | 16.0-18.0 | 17.00-19.00 |
| Mo | … | … | … |
| Al | … | … | 0.15 |
| Cu | … | … | … |
| N | … | … | 0.04 |
| Ti | … | … | 0.20+4(C+N)Min, 1.10max |
ASME SA268 TP430 Stainless Steel Seamless Tube Mechanical Properties
| Grade | Tensile Strength, Min, Ksi [MPa] | Yield Strength, Min, Ksi [MPa] | ELONGATION. MIN, % |
| TP410 | 55 [380] | 30 [205] | 20 |
| TP430 | 60 [415] | 35 [240] | 20 |
| TP439 | 60 [415] | 30 [205] | 20 |
ASME SA268 TP430 Stainless Steel Seamless Tube Physical Properties
| Density, g/cm3 (lb/in.3) | 7.8 (0.28) |
| Melting point, °C (°F) | 1425-1510 (2600-2750) |
| Specific heat capacity, J/kg · K (Btu/lb · °F) | 460 (0.11) at 0-100 °C (32 to 212 °F) |
| Electrical resistivity, μΩ·m | 0.60 at 20 ℃ |
| 430 stainless steel magnetic permeability | 600-1100 (Approximate) |
| Elastic modulus (Modulus of elasticity), GPa (106 psi) | 200 (29.0) |
| Thermal diffusivity, mm2/s | 7.3 |
| Thermal conductivity, W/m · K (Btu/ft · h · °F) | 26.1 (15.1), at 100 ℃ (212 °F) |
| 26.3 (15.2), at 500 ℃ (932 °F) | |
| Coefficient of thermal expansion, μm/m · °C (μin./in. · °F) | 10.4 (5.8), at 0-100 ℃ (32-212 °F) |
| 11.0 (6.1), at 0-315 ℃ (32-600 °F) | |
| 11.4 (6.3), at 0-538 ℃ (32-1000 °F) |
ASME SA268 TP430 Stainless Steel Seamless Tube Heat Treatment
ASME SA268 TP430 Stainless Steel Seamless Tube Heat Resistance
| Maximum service temperatures, °C (°F) | ||
| AISI | Intermittent service | Continuous service |
| 430 | 870 (1600) | 815 (1500) |
ASME SA268 TP430 (S43000) Tubing in Oil & Gas Applications, Common Application Areas & Equipment:
Utility & Service Water Systems
Low-Pressure Instrumentation & Sensing Lines
Hydraulic Control Lines (Limited)
Vent & Drain Lines
Heat Exchanger Tubes (Limited & Specific)
Fuel Gas Piping (Conditional)
