Carbon steel plate: Carbon steel is carbon steel with a carbon content of less than 0.8%. This steel contains less sulfur, phosphorus and non-metallic inclusions than carbon structural steel, and has better mechanical properties. Carbon steel can be divided into three categories according to the carbon content: low carbon steel (C≤0.25%), medium carbon steel (C is 0.25-0.6%) and high carbon steel (C>0.6%).
Carbon steel manufacturing process: The smelting of carbon steel is usually carried out in converter and open hearth. Converters generally smelt ordinary carbon steel, while open furnaces smelt all kinds of high-quality steel. The technology of oxygen top blow converter is developing rapidly and it can replace open hearth furnace. The refined liquid steel is injected into the ingot mold to obtain various ingot. After the ingot is forged or rolled, it is processed into plates, strips, bars, and sections of various sectional shapes. Carbon steel is usually used directly in the hot rolled state. When used for manufacturing tools and various machine parts, it needs to be heat treated according to the requirements of use; As for steel castings, most of them are heat-treated.
| Alloy steel plate specifications | |
|---|---|
| Steel grade | Carbon steel plate series, wear-resistant plate series, alloy plate series, high-strength plate series, container plate series |
| Standard | ASTM A213, A312, ASTM A269, ASTM A778, ASTM A789, DIN 17456, DIN17457, DIN17459, JIS G3459, JIS G3463, GOST9941, EN10216, BS3605, GB13296 |
| Material | Q195, Q235, Q345, 45#, 20cr, 40cr, 35crmo, 42crmo, NM400, NM500, NM600, Q460, Q550, Q690, Q245R, Q355R, 15crmoR |
| Surface | Painting, polishing, rusting, annealing, pickling, galvanizing |
| Type | Hot rolled and cold rolled |
| Thickness | Cold rolled: 0.3-3.0mm; Hot rolled: 3.0-120mm |
| Surface Finish | NO.1 / 2B / NO.4 / BA / Satin / Brushed / Hairline / Mirror etc. |
| Material Options | 201, 304, 304L, 309, 309S, 310, 310S, 316, 316L, 316Ti, 317, 317L, 321, 321H, 347, 347H, 409, 409L, 410, 410S, 420, 430, 904L |
| Chemical Composition | ||||||
|---|---|---|---|---|---|---|
| Steel Grade | C | Si | Mn | P | S | Als |
| Grade AH36 | ≤0.18 | ≤0.50 | 0.9-1.6 | ≤0.035 | ≤0.035 | ≥0.015 |
| Grade DH36 | ≤0.18 | ≤0.50 | 0.9-1.6 | ≤0.035 | ≤0.035 | ≥0.015 |
| Grade EH36 | ≤0.18 | ≤0.50 | 0.9-1.6 | ≤0.035 | ≤0.035 | ≥0.015 |
| Grade FH36 | ≤0.18 | ≤0.50 | 0.9-1.6 | ≤0.035 | ≤0.035 | ≥0.015 |
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