TP 309 • 1.4828 • S30900
Seamless Tubes Austenitic Alloy | Austenitic Alloy Manufacturers
Manufacturer of TP 309 | TP 309 Exporters | 1.4828 Stainless Steel | S30900 Manufacturer Near You | TP 309 Stainless Steel Supplier | 1.4828 Exporter | S30900 Stainless Steel
Overview:
Krystal is a renowned exporter, manufacturer, stockist, supplier, and stockholder of high-quality TP 309 Stainless Steel Products. Known for their exceptional corrosion resistance, high-temperature strength, and excellent oxidation resistance, TP 309 stainless steel products are ideal for various demanding applications, including heat exchangers, furnace components, and thermal processing equipment. TP 309 retains its mechanical properties over a wide temperature range and offers excellent weldability and fabrication characteristics.
TP 309 (1.4828 / S30900) is an austenitic chromium-nickel stainless steel specifically designed for high-temperature environments. It exhibits excellent oxidation resistance, superior creep strength, and good resistance to thermal fatigue, making it a versatile material for a range of industrial applications.
TP 309 Stainless Steel is widely used in numerous industries, particularly in high-temperature applications.

AVAILABLE TUBE PRODUCT FORMS |
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Straight Tube | Straight Pipe | U - Tube | Coiled Tube |
TYPICAL MANUFACTURING SPECIFICATIONS | |
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TYPICAL APPLICATIONS |
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HEAT EXCHANGERS |
STEAM GENERATORS |
REBOILER TUBES |
BRINE HEATERS AND EVAPORATOR BODIES IN SALT PLANT |
NUCLEAR CORE COOLING TUBES |
SULPHURIC AND HYDROFLURIC ACID ALKYLATION PLANT |
CONTROL LINES |
INDUSTRIES PREDOMINANTLY USING THIS GRADE | |
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CHEMICAL PROCESSES | |
OIL AND GAS | |
NUCLEAR AND POWER |
Technical Specifications
CHEMICAL COMPOSITION (% by weight) | ||||||||
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Element | C | Mn | Si | P | S | Cr | Ni | N |
Min | - | - | 1.50 | - | - | 19.00 | 11.00 | - |
Max | 0.20 | 2.00 | 2.50 | 0.45 | 0.015 | 21.00 | 13.00 | 0.11 |
PHYSICAL PROPERTIES (Room Temperature) | ||
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Specific Heat (0-100°C) | 500 | J.kg-1.°K-1 |
Thermal Conductivity | 14.2 | W.m-1.°K-1 |
Thermal Expansion | 15.9 | mm/m/°C |
Modulus Elasticity | 200 | GPa |
Electrical Resistivity | 0.94 | Ohm-mm2/m |
Density | 7.9 | g/cm3 |
MECHANICAL PROPERTIES | ||
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Temper | Annealed | |
Tensile Rm | 75 | ksi (min) |
Tensile Rm | 515 | MPa (min) |
R.p. 0.2% Yield | 30 | ksi (min) |
R.p. 0.2% Yield | 205 | MPa (min) |
Elongation (in 2") | 40 | % (min) |