Description
JIS G3141 Cold-Reduced Carbon Steel Sheet
JIS G3141 is a Japanese Industrial Standard (JIS) specification for cold-reduced carbon steel sheet and strip, commonly used in various forming applications such as automotive panels, appliances, and furniture.
Overview of JIS G3141
- Title: Cold-Reduced Carbon Steel Sheets and Strips
- Standard: JIS G 3141
- Origin: Japanese Industrial Standard
- Form: Cold rolled steel (CR steel)
- Surface Finish: Bright or dull (depending on the annealing process)
Grades of JIS G3141
| Grade | Description | Equivalent Standards |
|---|---|---|
| SPCC | Commercial Quality | Equivalent to ASTM A1008 CS Type A |
| SPCD | Drawing Quality | Equivalent to ASTM A1008 CS Type B |
| SPCE | Deep Drawing Quality | Equivalent to ASTM A1008 CS Type C |
| SPCF | Extra Deep Drawing Quality | – |
| SPCG | Extra Deep Drawing Quality (DDS) | – |
Chemical Composition
| Grade | C | Mn | P | S |
|---|---|---|---|---|
| SPCC | ≤ 0.15 | ≤ 0.60 | ≤ 0.10 | ≤ 0.05 |
| SPCD | ≤ 0.12 | ≤ 0.50 | ≤ 0.10 | ≤ 0.04 |
| SPCE | ≤ 0.10 | ≤ 0.45 | ≤ 0.08 | ≤ 0.03 |
Mechanical Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|
| SPCC | ≥ 270 | ≤ 280 | ≥ 28 |
| SPCD | ≥ 270 | ≤ 240 | ≥ 30 |
| SPCE | ≥ 270 | ≤ 210 | ≥ 32 |
Applications
- Automobile body panels
- Electrical appliances
- Furniture
- Bicycles and components
- Office equipment
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