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Ductile iron round bar
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Ductile iron round bar

2026-03-16

Ductile Iron Bars are a widely used material in manufacturing, possessing excellent properties and diverse applications. The following is an introduction to ductile iron bars from three aspects:

1. Material
Ductile iron, also known as spheroidal graphite cast iron, is an iron-carbon alloy, primarily composed of iron, carbon, silicon, and small amounts of manganese, magnesium, and other elements. Its unique microstructure gives ductile iron the following advantages:

High strength: Compared to traditional cast iron, ductile iron has higher tensile strength and impact resistance.

Excellent plasticity and toughness: It can withstand large deformations without easily breaking.

Good machinability: It can be further processed through cutting, drilling, and other machining methods.

Good wear resistance: Suitable for applications subject to wear or friction.

2. Product Specifications and Dimensions
The specifications of ductile iron bars typically vary depending on the manufacturer and user requirements. Below is a table of commonly used specifications and dimensions:

Diameter (mm) Length (mm) Weight (kg) Remarks

10                           1000                  0.79                  Small

20                            1000                  3.14                Small to Medium

30                            1000                 7.07                Medium

40                           1000                  12.57             Medium to Large

50                           1000               19.63                  Large

60                           1000                   28.27               Extra Large

Note: The above weight data are approximate values; the actual weight may vary slightly depending on the material's microstructure.

3. Product Applications
The excellent properties of ductile iron bars make them widely used in various fields, including but not limited to:

Machinery Components: Used to manufacture load-bearing components such as gears, shafts, and connecting rods.

Automotive Industry: Used to produce engine components, chassis, and suspension systems.

Piping systems: Used in the manufacture of pipes for water, gas, and sewage.

Building materials: Used for structural supports, infrastructure, pipe fittings, and molds.

Agricultural equipment: Used in the manufacture of various agricultural machinery and accessories.