ASTM A895
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ASTM A895 Alloy 303
This specification covers hot-finished or cold-finished plate, sheet, and strip in the more commonly used types of stainless free machining steels designed especially for optimum machinability and for general corrosion and high temperature service. Stainless and heat-resisting plate, sheet, and strip, other than free-machining types, are covered in separate specifications.
ASTM A895 Alloy 303 Nut Supply Condition
| Type | Condition A (Annealed) |
Condition T (Intermediate Temper) |
Condition H (Hard Temper) |
|---|---|---|---|
| 303, 303Se | A | ... | ... |
ASTM A895 Alloy 303 Chemical Composition
| Composition, %, maximum except as shown | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UNS DesignationA | Type | CarbonB | Manganese | Phosphorus | SulfurB | Silicon | Chromium | Nickel | Selenium | |||
| S30300 | 303 | 0.15 | 2.00 | 0.20 | 0.15 min | 1.00 | 17.0 - 19.0 | 8.0 - 10.0 | 0.15 min | |||
ANew designation established in accordance with Practice E527 and SAE J 1086, Practice for Numbering Metals and Alloys (UNS). BMaximum unless otherwise noted.
ASTM A895 Alloy 303 Nut Mechanical Properties
| Types | Condition | Hardness (HBN) |
|---|---|---|
| 303, 303Se | A | 202 max |