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121 Quality Sheet Specification
General application steels for drawing (automotive, refrigerators, washing machines, home appliances, etc)
Reproducible Letter Symbols --> CCR --> CCRD --> CCR
AlternativesThere is no alternative to this sheet.
Flat / Cold Rolled
Cold rolled coils or flat steel products are produced by rolling hot rolled flat steels without a heat treatment operation in a thickness range of 0.20 to 2.00mm. While the product’s physical properties are all homogeneous along the strip, surface flatness, width and thickness values have fulfilled expectations at the top level.
General application steels for drawing (automotive, refrigerators, washing machines, home appliances, etc)
Chemical Composition (%)
| Standard Equivalent | Erdemir Grade No | Cmax. | Mnmax. | Pmax. | Smax. | Simax. | Almax. | |
|---|---|---|---|---|---|---|---|---|
| Standard | Quality | |||||||
| TSG3100G | SPC270C | 121 | 0.06 | 0.20 | 0.02 | 0.015 | 0.03 | 0.08 |
- Chemical composition is not specified in customer specification. Limits given in this table are based on Erdemir practice for reference.
Mechanical Properties
| Standard Equivalent | Erdemir Grade No | Re [N/mm2] | Rm [N/mm2] | A(%) min. t(thickness, mm) | |||
|---|---|---|---|---|---|---|---|
| Standard | Quality | ||||||
| A501≤t≤1.19 | A501.2≤t≤1.59 | A501.6≤t≤1.99 | |||||
| TSG3100G | SPC270C | 121 | 125-245 | 270 min. | 39-49 | 40-50 | 41-53 |
- The mechanical properties are valid for a period of 3 months from the date on which the products are made available.
- This grade is produced according to reference mechanical values above in line with agreements with customers.
- Tensile test values apply to "longitudinal" test pieces