305 DDQ Stainless Steel
The deep drawing process is a forming process which occurs under a combination of tensile and compressive conditions. A flat sheet metal blank is formed into a hollow body open on one side or a hollow body is formed into a hollow body with smaller cross-section. Type 305 Stainless Steel is an austenitic chromium nickel stainless steel. Type 305 stainless can be spun and deep drawn more easily due to an increased nickel content that decreases work hardening. Directionality introduced during cold rolling process must be kept to a minimum amount to limit earring during the drawing process.
Type 305 DDQ is nonmagnetic in the annealed and cold worked conditions and has corrosion resistance similar to 304/304L stainless steel. Applications such as complex conical shapes, expanded metal parts, small diameter deep containers or sleeves, and spinning metal are common uses for Type 305 Stainless.
305 DDQ Inventory Size Ranges
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Standard Inventory Specifications
- UNS 30500
- ASTM 5514
- ASTM A240
Common Trade Names
*The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed.
Common Applications of 305 DDQ
- Deep draw and spun components
- Eyelets
- Electronics
- Food Processing
- Kitchen utensils
- Appliances
Chemical Composition
| Element | Percent by Weight | |
|---|---|---|
| C | Carbon | 0.12% max |
| Mn | Manganese | 2.00% max |
| Si | Silicon | 1.00% max |
| Cr | Chromium | 17.00% - 19.00% |
| Ni | Nickel | 10.00% - 13.00% |
| Mo | Molybdenum | 0.75% max |
| P | Phosphorus | 0.040% |
| S | Sulfur | 0.030% max |
| Cu | Copper | 0.75% max |
| Fe | Iron | Balance |
304 Physical Properties
- Density: 0.29 lb/in³ (8.03 g/cm³)
- Modulus of Elasticity in Tension 29 x 106 psi (200 GPa)
| Temperature Range | Mean Coefficient of Thermal Expansion | ||
|---|---|---|---|
| °C | °F | mm/mm/°C | in/in/°F · 10? |
| 20 - 100 | 68 - 212 | 16.6 · 10-6 | 9.2 · 10-6 |
| 20 - 870 | 68 - 1600 | 19.8 · 10-6 | 11 · 10-6 |
| Temperature Range | W/m · K | Btu/(hr/ft²/in/°F) | |
|---|---|---|---|
| °C | °F | ||
| 100 | 212 | 16.3 | 9.4 |
| 500 | 932 | 21.4 | 12.4 |
| °C | °F | Microhm-cm | MIcrohm-in. |
|---|---|---|---|
| 20 | 68 | 72 | 28.3 |
| 100 | 212 | 78 | 30.7 |
| 200 | 392 | 86 | 33.8 |
| 400 | 752 | 100 | 39.4 |
| 600 | 1112 | 111 | 43.7 |
| 800 | 1472 | 121 | 47.6 |
| 900 | 1652 | 126 | 49.6 |