hardox 450 vs mild steel carbon steel sheet machinability

The company has allocated special environmental protection facilities for all Hardox 450 vs mild steel pollution sources, strengthened the recycling of waste resources and improved the efficiency of resource utilization. At present, the recovery and utilization rate of solid wastes such as iron slag, steel slag, iron bearing dust, Hardox 450 vs mild steel steel mill scale, environmental protection dust has reached 100%.

Boiler steel plates are mainly used to manufacture various boilers and important accessories. Because the boiler steel plate is working under medium temperature (below 350°C) and high pressure, in addition to high pressure, it is also subject to impact, fatigue load and water and gas corrosion. It is required to ensure a certain strength and also have good welding and cold bending performance. Common grades: Q245R, A515 Grade 55, A515 Grade 60, Hardox 450 vs mild steel, A516 Grade 65, A516 Grade 70.

The main metal material Hardox 450 vs mild steel used to make the boiler is steel. The main boiler body is composed of the parts which bear static load under normal temperature and the parts which bear high pressure and high temperature. The former part can be made of general structural steel, while the latter part must be made of steel with special properties, i.e. boiler steel. Boiler steel is required to have good high temperature resistance, stable structure, machining performance, etc. properties.

Blast furnace ironmaking is a traditional ironmaking method based on coke energy. It cooperates with converter steelmaking and is the main method of producing Hardox 450 vs mild steel steel at present. This dominance of blast furnace ironmaking is not expected to change for quite a long time. The essence of blast furnace ironmaking is the reduction of iron. Besides, coke is used as fuel and reducing agent. At high temperatures, iron ore or iron-containing raw materials are reduced from an oxide or mineral state to liquid pig iron.

A204 Grade A steel chemical composition(%)Carbon: 0.18-0.25 Manganese max.: 0.90Phosphorus Max.: 0.025Sulfur Max.: 0.025Silicon: 0.15-0.40Molybdenum: 0.45–0.60Hardox 450 vs mild steel, A204 Grade A steel mechanical propertiesTensile strength, kis [MPa]: 265-85 [450-585]Yield strength, min, kis [MPa]: 37 [255]Elongation in 8 in. [200 mm], min, %: 19Elongation in 2 in. [50 mm], min, %: 23

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