Quzhou Kingsoon Precision Machinery Co., Ltd.
Quzhou Kingsoon Precision Machinery Co., Ltd.
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Alloy Steel Casting
  • Alloy Steel CastingAlloy Steel Casting

Alloy Steel Casting

Alloy steel casting is one of the steel casting processes. This casting is made from a fusion of various elements whose combined weight percentage ranges from 1.0% to 50%. By adding these alloying elements, the mechanical properties of alloy steel castings can be significantly improved.

What is Alloy Steel Casting?

Alloy steel casting is a steel casting process that is one kind of alloy castings. It is alloyed with numerous elements in total amounts between 1.0% and 50% by weight. The alloy casting can improve its mechanical properties.Alloy steel castings are divided into cast alloy structural steel and special purpose alloy cast steel according to their applications. The former is low to medium alloy cast steel, mainly used to make general mechanical structural components. The latter is mostly high alloy cast steel, such as wear-resistant cast steel, stainless acid resistant cast steel, heat-resistant cast steel, casting alloy tool steel, etc.



What are the types of alloy steel?

Alloy steel is divided into two categories: low alloy steel and high alloy steel. Low alloy steel is the most common alloy steel in investment casting.


Alloy steels ContentsHow are the properties of alloy steel?

Compared with carbon steel, alloy steel has many good properties such as strength, hardness, toughness, wear resistance, corrosion resistance and hardenability. If your castings cannot meet these properties, our heat treatment workshop will help you improve some of these improved properties.


Alloy Steel Castings Products and other alloy castings


Besides the Alloy Steel Castings Products, there are
chrome alloy castings,
copper-nickel alloy casting,
copper-zinc alloy castings,
gold alloy castings,
nickel alloy castings,
high alloy castings,
high nickel alloy castings.

Main Alloys Cast and Chemical Composition

Their difference is from the content of each alloy element. please check the Alloys Cast and Chemical Composition document.

Grade C Si Mn S P Cr Ni Mo Cu
ZG40Mn 0.35-0.45 0.30-0.45 1.20-1.50 ≤0.030
ZG40Mn2 0.35-0.45 0.20-0.40 1.60-1.80 ≤0.030
ZG50Mn2 0.45-0.55 0.20-0.40 1.50-1.80 ≤0.030
ZG20SiMn ≤0.023 ≤0.60 1.00-1.50 ≤0.025 ≤0.30 ≤0.40 ≤0.15
ZG35SiMn 0.30-0.40 0.60-0.80 1.10-1.40 ≤0.030
ZG35SiMnMo 0.32-0.40 1.10-1.40 1.10-1.40 ≤0.030 ≤0.30 ≤0.30 0.20-0.30 ≤0.30
ZG35CrMnSi 0.30-0.40 0.50-0.75 0.90-1.20 ≤0.030 0.50-0.80
ZG20MnMo 0.17-0.23 0.20-0.40 1.10-1.40 ≤0.030 ≤0.30 ≤0.30  0.20-0.35 ≤0.30
ZG55CrMnMo 0.50-0.60 0.25-0.60 1.20-1.60 ≤0.030 0.60-0.90 ≤0.30 0.20-0.30 ≤0.30
ZG40Cr 0.35-0.45 0.20-0.40 0.50-0.80 ≤0.030 0.80-1.10
ZG34CrNiMo 0.30-0.37 0.30-0.60 0.60-1.00 ≤0.025 1.40-1.70  1.40-1.70 0.15-0.35
ZG20CrMo 0.17-0.25 0.20-0.45 0.50-0.80 ≤0.030 0.50-0.80 0.40-0.60
ZG35CrMo 0.30-0.37 0.30-0.50 0.50-0.80 ≤0.030 0.80-1.20 0.20-0.30
ZG42CrMo 0.38-0.45 0.30-0.60 0.60-1.00 ≤0.025 0.80-1.20 0.20-0.30
ZG50CrMo  0.46-0.54 0.25-0.50 0.50-0.80 ≤0.030 0.90-1.20 0.15-0.25
ZG65Mn 0.62-0.70 0.17-0.37 0.90-1.20 ≤0.030 ≤0.25 ≤0.25
How do We Choose Casting Alloy?


As mentioned above, there are several types of alloy castings. Each type has its own advantages and disadvantages. Therefore, there are many factors to consider when choosing a casting alloy. Strength, durability, yield, corrosion resistance, cost, stability, etc.

If your project requires components with high strength and corrosion resistance, aluminum or copper-based alloys can be effective choices. The alloy you use for casting depends on what your project requires.

Traditionally, alloy steel castings have better properties than carbon steel castings. In comparison, alloy steel castings are more expensive due to their higher material costs. Alloy steel castings are widely used in industrial applications such as bucket teeth, agricultural wear parts, and many other industrial components that use cast alloy steel parts for their work.


China Alloy Steel Casting Manufacturer & Supplier

Kingsoon is a precision alloy steel casting manufacturer and exporter from China. We have our own foundry and machining plant. At present, we export alloy steel castings to Japan, Germany, the UK and other countries. The quality of our products has been recognized by customers and we have established long-term cooperative relationships. If you have any questions about alloy steel casting projects, please feel free to contact us. We will get back to you as soon as we receive your message.



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