Stainless Steel Alloy 303Se is non-magnetic and austenitic alloy modified version of Stainless Steel grade 303 where sulfur is substituted for selenium to enable better machinability. 303Se demonstrates good corrosion resistance and good strength properties. This alloy is often used where cold forming is required after machining.
Stainless Steel Alloy 303Se Specifications:
Stainless Steel Alloy 303 products offered at all Titanium Industries’ locations:
Stainless Steel Alloy 303Se Applications:
- Valves and Shafts
- Pipe Fittings
- Medical Instrumentation
DISCLAIMER: Alloy data sheets are for reference only, not for design purposes.
| Chemical Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Cr 18% | Ni 9% | Mn 2% | Si 1.0% | C 0.15% | |||||
| S 0.06% | P 0.2% | Se >=0.15% | Fe balance | ||||||
| PHYSICAL PROPERTIES | ||||||
|---|---|---|---|---|---|---|
| Density | Electrical conductivity (% IACS) | Thermal conductivity (BTU-in/hr-ft²-°F) | Specific heat capacity | Thermal expansion (1/°F) | Melting Point (°F) | |
| 0.289 | 2.4 | 112 | 0.12 | 0.00000956 | 2550 | |
| Mechanical Properties | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Property | Minimum | Maximum | |||||||
| Yield Strength Range (Rp0.2 Offset) (ksi) | 34.8 | 60.2 | |||||||
| Tensile Strength Range (Rm) (ksi) | 87 | 100 | |||||||
| Elongation (AL=5 x Ø) | 12.0% | 50.0% | |||||||
| Brinell Hardness (H) | 160 | 235 | |||||||
| Modulus of Elasticity (ksi) (E): 28000 | |||||||||
| Machineability General Index: 78% | |||||||||
T.I. is accredited/approved by:
Plus a wide range of approvals from most leading OEM’s across Aerospace, Medical, Industrial, and Oil and Gas markets.
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