321 Ss Plate
321 SS plate is a high-quality material that is widely used in various industries such as automotive, aerospace, and construction. This material not only boasts excellent corrosion resistance but also offers great strength and durability.
One of the noteworthy features of 321 SS plate is its ability to withstand high temperatures. This makes it a popular choice for applications that involve exposure to extreme heat, such as turbine components, exhaust systems, and heat exchangers. It also has impressive weldability and can be easily fabricated into different shapes and sizes to suit specific needs.
Besides its exceptional physical properties, 321 SS plate is highly regarded for its aesthetic appeal. The material has a sleek and polished appearance that makes it an ideal choice for decorative purposes such as interior and exterior design elements.
Furthermore, 321 SS plate is an environmentally friendly material since it can be recycled and reused. This helps reduce waste and conserves natural resources.
Product Specification
- Size: The thickness of stainless steel 321 plate is generally between 0.3-3mm, and the width can reach more than 1.5 meters.
- Surface treatment: The surface of stainless steel 321 plate can be treated by mirror, pickling or sandblasting to meet the needs of different customers.
- Chemical composition: 321 stainless steel contains 21% chromium, 0.1% titanium, 5-10% nickel and a small amount of carbon, silicon and phosphorus and other elements.
- Physical properties: The density of stainless steel 321 plate is 7.93g/cm³, the tensile strength can reach more than 515MPa, and the elongation can reach more than 40%.
- Use: Stainless steel 321 plate is widely used in high temperature processing, aerospace, chemical and petrochemical fields, can also be used for tableware, kitchen utensils, medical equipment and other manufacturing.
APPLICATIONS
- Aircraft collector rings
- exhaust stacks
- carburetor air intensifier tubes
- exhaust manifolds
- flexible couplings
- jet engine parts
- mufflers
- pressure vessels
- tubing
- fasteners
- flexible metal hose and bellows
CHEMISTRY TYPICAL
| Carbon | 0.08 max |
| Manganese | 2.00 max |
| Silicon | 0.75 max |
| Chromium | 17.00-19.00 |
| Nickel | 9.00-12.00 |
| Molybdenum | 0.75 max |
| Phosphorus | 0.045 max |
| Sulfur | .030 max |
| Copper | 0.75 max |
| Nitrogen | .010 max |
| Titanium | 5x (Carbon+ Nitrogen) min-0.70 max |
| Iron | Balance |
PHYSICAL PROPERTIES
| Density | 0.29 lbs/in3 9.01 g/cm3 |
| Electrical Resistivity | microhm-in (microhm-cm): 68 °F (20 °C): 28.4 (72) |
| Specific Heat: BTU/lb/°F (kJ/kg•K): | 32 - 212 °F (0 - 100 °C): 0.12 (0.50) |
| Thermal Conductivity | BTU/hr/ft2/ft/°F (W/m•K): At 212 °F (100 °C): 9.3 (16.0) At 932 °F (500 °C): 12.8 (22.0) |
| Mean Coefficient of Thermal Expansion | in/in/°F (µm/m•K) 32 - 212 °F (0 - 100 °C): 9.2 x 10·6 (16.6) 32 - 600 °F (0- 315 °C): 9.5 x 10·6 (17.1) 32 - 1000 °F (0 - 538 °C): 10.3 x 10·6 (18.5) 32 - 1200 °F (0 - 649 °C): 10.7 x 10·6 (19.3) 32 - 1500 °F (0 - 873 °C): 11.2 x 10·6 (20.2) |
| Modulus of Elasticity | ksi (MPa) 28 x 103 (193 x 103) in tension 11 .2 x 103 (78 x 103) in torsion |
| Magnetic Permeability | H = 200 Oersteds: Annealed < 1.02 max |
| Melting Range | 2500 - 2550 °F (1371 - 1400 °C) |
MECHANICAL PROPERTIES AT ROOM TEMPERATURE PROPERTIES: ANNEALED
| Ultimate Tensile Strength | 75 KSI min (515 MPa min) |
| Yield Strength (0.2% Offset) | 30 KSI min (250 MPa min) |
| Elongation | 40% min |
| Hardness | Rb 95 max |
FINISHES
# 1 - Hot rolled annealed and descaled. It is available in strip, foil and ribbon. It is used for applications where a smooth decorative finish is not required.
# 2D - Dull finish produced by cold rolling, annealing and descaling. Used for deep drawn parts and those parts that need to retain lubricants in the forming process. # 2B - Smooth finish produced by cold rolling, annealing and descaling. A light cold rolling pass is added after anneal with polished rolls giving it a brighter finish than 2D.
#BA- Bright annealed cold rolled and bright annealed
#CBA- Course bright annealed cold rolled matte finish and bright anneal
#2 - Cold Rolled
# 2BA- Smooth finish produced by cold rolling and bright annealing. A light pass using highly polished rolls produces a glossy finish. A 2BA finish may be used for ligh
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