330 Stainless Steel
330 stainless steel is an austenitic heat and corrosion resisting alloy that offers a combination of strength and resistance to carburization, oxidation and thermal shock. This alloy was designed for applications in high temperature industrial environments where good resistance to the combined effects of carburization and thermal cycling are required, such as the heat treat industry. Carburization and oxidation resistance to about 2100°F are enhanced by the silicon content of the alloy.
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Description
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of 330 stainless steel in China. With abundant experience, we warmly welcome you to wholesale customized 330 stainless steel from our factory. For price consultation, contact us.
330 stainless steel is an austenitic heat and corrosion resisting alloy that offers a combination of strength and resistance to carburization, oxidation and thermal shock. This alloy was designed for applications in high temperature industrial environments where good resistance to the combined effects of carburization and thermal cycling are required, such as the heat treat industry. Carburization and oxidation resistance to about 2100°F are enhanced by the silicon content of the alloy.
330 stainless remains fully austenitic at all temperatures and is not subject to embrittlement from sigma formation. It has a solid solution composition and is not hardenable by heat treatment.
Alloy 330 is an austenitic, nickel-chromium-iron-silicon alloy that has outstanding resistance to oxidation and carburization up to 2200°F with high strength. The excellent resistance to oxidation and carburization is provided by the high nickel and chromium content of the alloy, further enhanced by its silicon content. Alloy 330’s ultra high nickel content of 34 to 37% also provides high resistance to chloride stress corrosion cracking and embrittlement from the precipitation of sigma phase in most furnace atmospheres. Alloy 330 also has a low coefficient of expansion, excellent ductility, and high strength.
APPLICATIONS:
Alloy 330 is extensively used in high temperature environments where resistance to the combined effects of thermal cycling and carburization is necessary. Applications include:
Chemical and Petrochemical Processing: cracked ammonia components, petrochemical furnace parts, heat exchangers, flares, etc
Thermal Processing: heat-treat furnace containers & compartments, high temperature fans, salt pots, etc
Ore Processing: perlite system and equipment
Power Generation: boiler fixtures, gas turbine components, etc
VALUE ADDED SERVICES:
Need a special length?
We can custom level 3/8″ thick x 72″ x 186″ from our plate line to reduce scrap
Polish plate inventory available
We supply #4, #6, and #8 mirror finish
Special polishes available
Plate processing
Dynamic water jet cutting
Plate shearing
Saw cutting
Plasma cutting and high quality plasma cutting
Machine cut rings and discs
Chemical Composition (%) of 330 Stainless Steel Plate
| Chromium | Nickel | Carbon | Silicon | Manganese | Phosphorus | Sulfur | Copper |
| 18.00-22.00 | 34.00-37.00 | 0.08 max | 1.00-1.50 | 2.00 max | 0.03 max | 0.03 max | 1.00 max |
Mechanical Properties of 330 Stainless Steel Plate
| Tensile Strength – ksi (min.) | 0.2% Offset Yield Strength – ksi (min.) | Elongation in 2 inches – % (min.) | Hardness – Rockwell B |
| 70 | 30 | 30 | 90 |
Physical Properties of 330 Stainless Steel Plate
| Density (lb. / cu. in.) |
Specific Gravity | Specific Heat (Btu/lb Deg F – [32-212 Deg F]) |
Magnetic Permeability | Modulus of Elasticity Tension |
| 0.289 | 7.99 | 0.11 | 1.02 | 28.5 |
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