1.7218 / 25CrMo4+QT

25CrMo4+QT / 1.7218 – High-Strength Alloy Steel for Demanding Engineering Applications

25CrMo4+QT, also known as 1.7218, is a chromium-molybdenum alloy steel that has undergone quenching and tempering (QT) to deliver enhanced strength, toughness, and wear resistance. This alloy is optimized for high-stress applications in industries such as automotive, machinery, and oil and gas, where durability and performance are essential.

Properties of 25CrMo4+QT

25CrMo4+QT is recognized for its:

• High Tensile and Yield Strength – The QT treatment provides exceptional strength, making it suitable for load-bearing components under stress.
• Superior Toughness and Wear Resistance – With enhanced toughness, the alloy performs well under dynamic loads and in abrasive environments.
• Good Machinability and Hardenability – 25CrMo4+QT is easy to machine and can be further hardened, ideal for complex engineering parts that require a high surface hardness.

Applications of 25CrMo4+QT

Thanks to its robust properties, 25CrMo4+QT is widely used in:

• Automotive and Machinery Components – Ideal for shafts, gears, and other heavy-duty parts that require both strength and wear resistance.
• High-Strength Fasteners – Used for bolts, studs, and fasteners in construction, power generation, and oil and gas sectors, where secure fastening under heavy loads is critical.
• Structural and Mechanical Parts – Applied in spindles, connecting rods, and other mechanical parts that demand toughness and reliability.

WTE PowerSteel is a trusted global stockist and distributor of 25CrMo4+QT, supplying this high-performance alloy to industries worldwide. With a focus on quality and technical support, WTE PowerSteel provides expert guidance in selecting and processing 25CrMo4+QT to meet the demands of heavy-duty applications. Contact us to learn more about our worldwide distribution and the benefits of 25CrMo4+QT for your critical projects.

Round bars 1.7218 / 25CrMo4+QT
On stock 1.7218 / 25CrMo4+QT
Material 1.7218 / 25CrMo4+QT

Chemical Composition

The composition of 1.7218 / 25CrMo4+QT is optimized to provide a balance of strength, toughness, and wear resistance:

Mechanical Properties (at Room Temperature)

Mechanical Properties (after Quenching and Tempering)

Following the quenching and tempering process, 25CrMo4 exhibits enhanced strength and toughness:

Physical Properties

Heat Treatment

25CrMo4 is typically heat-treated through processes such as quenching and tempering, generally at temperatures between 550°C and 650°C, to enhance its mechanical properties.

Corrosion Resistance

While 1.7218 provides reasonable corrosion resistance in mild environments, it is advisable to apply surface treatments or protective coatings for improved performance in more aggressive conditions.

Key Performance Features

• High Strength and Toughness: Delivers superior tensile and yield strength, making it suitable for high-stress applications.
• Excellent Wear Resistance: The hardness of the alloy contributes to wear resistance, ideal for demanding components and machinery.
• Versatile Applications: Commonly utilized in automotive, machinery, and construction applications, including gears, shafts, and fasteners.
• Good Machinability: The alloy can be machined using standard methods, facilitating the production of complex geometries.

In summary, 1.7218 / 25CrMo4+QT is an excellent choice for applications requiring a combination of high strength, durability, and resistance to deformation under load, making it a critical material in industries where reliability and performance are essential

Round bar 1.7218 / 25CrMo4+QT
Kruhová tyč 1.7218 / 25CrMo4+QT
Kruhová tyč 1.7218 / 25CrMo4+QT
Pręt okrągły 1.7218 / 25CrMo4+QT
Rundstab 1.7218 / 25CrMo4+QT
Barre ronde 1.7218 / 25CrMo4+QT
Barra redonda 1.7218 / 25CrMo4+QT
Barra redonda 1.7218 / 25CrMo4+QT
Barra tonda 1.7218 / 25CrMo4+QT
Ronde staaf 1.7218 / 25CrMo4+QT
Rundstang 1.7218 / 25CrMo4+QT
Rundstång 1.7218 / 25CrMo4+QT
Pyörötanko 1.7218 / 25CrMo4+QT
Rundstang 1.7218 / 25CrMo4+QT
Kerek rúd 1.7218 / 25CrMo4+QT
Bară rotundă 1.7218 / 25CrMo4+QT
Кръгла шина 1.7218 / 25CrMo4+QT
Στρογγυλή ράβδος 1.7218 / 25CrMo4+QT
Круглый пруток 1.7218 / 25CrMo4+QT
Круглий пруток 1.7218 / 25CrMo4+QT
Okrugla šipka 1.7218 / 25CrMo4+QT
Okrugla šipka 1.7218 / 25CrMo4+QT
Okrugla šipka 1.7218 / 25CrMo4+QT
Okrogla palica 1.7218 / 25CrMo4+QT
Shufër e rrumbullakët 1.7218 / 25CrMo4+QT
Ümarvarras 1.7218 / 25CrMo4+QT
Apaļstienis 1.7218 / 25CrMo4+QT
Apvalus strypas 1.7218 / 25CrMo4+QT
Virga tonda 1.7218 / 25CrMo4+QT
Hringstangir 1.7218 / 25CrMo4+QT