Evergrowing Resources Co., Ltd.
The expert of ferrous and nonferrous materials in international market all the time.
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1. Produce Standard: as the GB, AISI, ASTM, SAE, EN, BS, DIN, JIS Industry Standard
2. Produce processes: Smelt Iron -EAF smelt Billet - ESR smelt Billet -Hot rolled or forged get the steel round bar and plate
3. Heat treatment:
Normalized / Annealed / Quenched+Tempered
4. Quality assurance:
All order we can received Third party inspection, You can let SGS, BV,.. and others test company test and inspect our products before Goods shipping.
| 1.Specification of carbon steel 1020 | |||||||||||||
| Round bar | Diameter(mm) | Length (mm) | |||||||||||
| 100~300 | 2000~5800 | ||||||||||||
| Plate | Thickness(mm) | Width (mm) | Length (mm) | ||||||||||
| 20~70 | 105~610 | 2000~5800 | |||||||||||
| The specification can be customised! | |||||||||||||
| 2.Chemical compositon of carbon steel 1020 | |||||||||||||
| NO. | C | Mn | Si | Cr | W | V | P | S | |||||
| carbon steel 1020 | 0.43~0.50 | 0.60~0.90 | 0.15~0.35 | -- | -- | -- | ≤0.030 | ≤0.030 | |||||
| 3.Delivery condition of carbon steel 1020 | |||||||||||||
| Standard Number | Forging | Annealing | Hardening and Tempering | ||||||||||
| carbon steel 1020 | 1100~850 |
Subcritical annealing: 650~700 Isothermal annealing: 820~860 |
Hardening :820~860 Tempering: 550~660 |
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| 4.Heat treatment of carbon steel 1020 | |||||||||||||
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1.Quench:1000-1040`C via 600`C and 850`C, preheating oil or wind cooling 2.Temper temperature should be higher than working temperature in order to stabilize the working size of mold 3.Heat up to 650°C of average temperature in order to eliminate the machined stress, 500 °c air cooling after electric cooker cooling 4.Tempering, 800-850 °c ,slow cooling after diathermia 5. Melting Process of SKD61 steel rod |
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| 1.EAF: Electric Furnace+LF+VD(Optional) |
5.Application of carbon steel 1020