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431 جودة مواصفات الورقة
Zinc-iron alloy coated (galvannealed) low carbon steels for cold forming
رموز الحروف القابلة لإعادة الإنتاج --> GFR --> GFRD --> GFR
Flat / Galvanised
Galvanized flat steel is manufactured by zinc-coating both sides of cold rolled metal by hot-dipping process. After having coated the steel surface with zinc, the coating of the interface is transformed into an alloy of iron-zinc layer through heating by induction and the galvannealed steel is produced.
Zinc-iron alloy coated (galvannealed) low carbon steels for cold forming
التركيب الكيميائي (%)
| المعيار المكافئ | رقم جودة إرديمير | Cmax. | Mnmax. | Pmax. | Smax. | Nbmax. | Timax. | |
|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | |||||||
| TSG3109G | SCGA 270D | 431 | 0.008 | 0.25 | 0.025 | 0.02 | 0.04 | 0.10 |
- Chemical composition is not specified in customer specification. Limits given in this table are based on Erdemir practice for reference.
الخواص الميكانيكية
| المعيار المكافئ | رقم جودة إرديمير | Re [N/mm2] | Rm [N/mm2] | A(%) min. t(thickness, mm) | nort | rort | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | |||||||||
| A501≤t≤1.19 | A501.2≤t≤1.59 | A501.6≤t≤1.99 | A502≤t≤2 | min. | ||||||
| TSG3109G | SCGA 270D | 431 | 115-205 | 270 min. | 42-52 | 43-53 | 44-55 | 45-57 | 0.2 | 1.1 min. |
- This grade is produced according to reference mechanical values above in line with agreements with customers.
- The mechanical properties are valid for a period of 12 months from the date on which the products are made available.
- Tensile test values apply to "longitudinal" test pieces