Alloy Steel Plate

TongHui is one of the leading alloy steel plates manufacturers and suppliers in China, located in Liaocheng, Shandong Province.
We provide high-quality steel plates with high strength, wear resistance, and corrosion resistance. Alloy steel plates are widely used in mechanical manufacturing, engineering equipment, mold processing, and heavy industry fields. We adhere to strict quality control and support personalized customization. Welcome to inquire!

Alloy Steel Plate Grade

Learn more about alloy steel plate grade

What is Alloy Steel Plate

Alloy steel plates are steel plates produced by adding one or more alloying elements to ordinary carbon steel and undergoing specific process treatments, thereby achieving superior physical and chemical properties compared to plain carbon steel.

Their primary purpose is to enhance the strength, hardness, toughness, wear resistance, high-temperature resistance, or corrosion resistance of the steel. Common types of alloy steel plates include High-Strength Low-Alloy (HSLA) steel, wear-resistant steel, pressure vessel steel, and mold steel, among others. They are widely used in high-end industrial fields such as heavy machinery, mining equipment, engineering structures, shipbuilding, and the chemical and energy industries.

Alloy Steel Plate Price

Low-alloy steel plates: $450–650 per metric ton, with conventional thickness specifications mostly ranging from $480–550 per metric ton.
High-strength steel plates: $680–950 per metric ton; marine-grade FH32/FH36 grades reach $980–1020 per metric ton.
Wear-resistant alloy steel plates: $520–890 per metric ton. The higher the hardness, the higher the price range.
Heat-resistant steel plates: Approximately $1100–1200 per metric ton; prices for special heat-resistant grades can exceed $1500 per metric ton.
High-end alloy steel plates: $25–35 per kilogram; prices for scarce grades can reach over $50 per kilogram.

Get your exclusive customized alloy steel plate solution！

Alloy Steel Plate Specifications

We provide you with alloy steel plates of various specifications and parameters

Grade	Thickness	Width	Length
A572 Grade 50/60	3/16"-8"	36"-120"	96"-480"
A516 Grade 70	3/16"-8"	36"-120"	96"-480"
A514	3/16"-8"	36"-120"	96"-480"
4140	3/16"-8"	36"-120"	96"-480"

Frequently Asked Questions

Is alloy steel the same as chrome?

Alloy steel and chromium are related but entirely distinct concepts. Alloy steel is a broad category referring to steel enhanced with various elements (such as manganese, nickel, molybdenum, vanadium, etc.) to improve its properties. Chromium is one of the key alloying elements, typically added at a specific proportion (e.g., ≥10.5%) primarily to significantly enhance the steel’s corrosion resistance and hardness.

The most typical example is stainless steel, which must contain a high proportion of chromium. However, not all alloy steels are “stainless steel,” as their final properties depend on the combined effect of all added elements. Therefore, chromium is a crucial “raw material” for producing certain alloy steels (especially stainless steel), but it cannot be equated with the entire material category of “alloy steel.”

What is an alloy steel?

Alloy steel is a type of steel that is intentionally enhanced with one or more alloying elements (beyond carbon) to improve its properties. By adding elements such as chromium, nickel, molybdenum, manganese, and vanadium, and combining them with heat treatment, it is possible to specifically optimize its strength, hardness, toughness, wear resistance, corrosion resistance, or high-temperature resistance. Based on the total alloy content, it can be categorized into low-alloy steel (generally with total alloying elements <5%) and high-alloy steel. It serves as a high-performance foundational material for manufacturing critical components (such as gears, shafts, molds) and is widely used in fields including heavy machinery, automotive, aerospace, energy, and chemical industries.