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Spray Forming M42 High-Speed Steel (1.3247 / SKH59)

Spray Forming M42 High-Speed Steel (1.3247 / SKH59)

Spray Forming M42 High-Speed Steel is a premium cobalt-alloy tool steel designed and produced using advanced spray forming technology. This process refines the steel’s microstructure, creating a uniform distribution of granular carbides, which greatly enhances the steel’s wear resistance, cutting stability, and tool longevity.

In comparison to conventional M42, Spray Forming M42 offers superior hardness stability, improved wear resistance, and increased toughness. The inclusion of approximately 7.9% cobalt enhances the steel’s hot hardness and thermal stability, ensuring outstanding performance under high-temperature and heavy-duty machining conditions. This makes it a go-to choice for industries requiring high-performance cutting tools that can maintain stable performance in the most demanding cutting environments.

Why Choose Spray Forming High-Speed Steel?

1. A Material Between Conventional HSS and Powder Metallurgy HSS

Strictly speaking, spray forming steel belongs to the powder metallurgy family, but the manufacturing process is different. It represents a technology positioned between traditional high-speed steel and powder metallurgy high-speed steel, combining the advantages of both.

2. Cost-Effective Alternative to Powder Metallurgy Steel

If powder metallurgy high-speed steel is too expensive for your application, spray forming HSS can be a practical alternative. It offers tool life close to powder metallurgy steel, while helping reduce material costs and improve overall production efficiency.

3. Upgrade from Conventional Imported Tool Steels

If you are currently using conventional high-speed steel imported from Europe or Japan at high prices, our spray forming HSS can be an excellent replacement. It provides better cost performance, competitive quality, and improved value, helping you reduce costs while maintaining reliable tool performance.

Product Advantages Of Spray Forming Steel

  • Fine grain structure and uniform carbide distribution improve wear resistance and edge stability.

  • Inhibits macrosegregation of alloying elements, ensuring uniform material properties.

  • Superior strength and toughness post-heat treatment, far surpassing the performance of high-quality electroslag steels.

  • Close tool life to powder metallurgy steels, while offering better cost efficiency.

  • Provides a perfect alternative to imported electroslag remelting materials with better quality at the same price.

Priniple of Spray Forming

  • First, the raw materials are heated into molten metal, and then gas atomized.

  • Under the action of the gas jet, the droplets are accelerated to fly and rapidly cooled.

  • When the high-speed flying droplets collide in the precipitator, the spherical particles are impacted. It becomes flat to form a sputtering sheet.

  • The particles solidify rapidly through the cooling effect of the precipitator, and accumulate and form under the action of self- fluxing.

Key Applications

  • Gear Shaving Cutter

  • Broach (Diameter ≥60 mm)

  • Gear Hobbing Cutter

  • Gear Shaper Cutter

  • Thread Rolling Wheel

  • Thread Rolling Plate
Spray Forming HSS Application
Spray Forming HSS M42 Equivalent Standards & Specifications
ZEICIN GradeGB / GOSTAISIJISDINErasteelBohlerHitachi
F842W2Mo9Cr4VCo8 / R2M10K8FM42SKH591.3247EM42S500YXM42
Spray Forming HSS M42 Chemical Composition
ElemnetCWMoCrVCoAlMnSiSP
Contene(%)1.101.509.404.001.157.90–0.300.50≤0.020≤0.020
Spray Forming HSS M42 Heat Treatment Process

Annealing

Softens the steel to about HB 280, reducing internal stress and enhancing machinability before hardening.

Quenching

Heat to 1180–1210°C, followed by rapid cooling to obtain high hardness and excellent wear resistance.

Tempering

Temper at 540–570°C to balance hardness and toughness. Final hardness reaches 64–67 HRC.

ZEICIN Steel Quality Advantage

Quality comparison with domestic and international competitors

Spray Forming HSS M42 Product Forms

ZEICIN Steel supplies spray forming M42 high-speed steel as forged bars produced from spray-formed billets, ensuring stable quality and uniform structure.

TypeSpecification（mm)Surface Condition
Precision Forged Round Steel (Spray Forming)φ60–300+Turned/Peeled Surface
Custom Spray Forming Steelφ100–300 (up to 3–4 meters in length)Turned/Peeled Surface
Large Diameter Custom Forgingφ200–300 (up to 1.5 meters in length)Turned/Peeled Surface
Surface Condition Gallery

Different surface conditions affect appearance, dimensional accuracy, and machining allowance. The images below show common delivery options (actual products may vary by size and batch).

Black Surface
Ground Surface
Peeled Surface
Honorary certificate
Invention Patent Certificate
Environmental Management System Certification
Invention Patent Certificate
Utility Model Patent Certificate
Packaging & Shipping
Customer Feedback
Real customer feedback to show our performance in quality, and service .
HSS HOBS TEST FEEDBACK
HSS CLIENTS TEST FEEDBACK
Frequently Asked Questions

Yes. We are a factory. ZEICIN STEEL produces high-quality, cost-effective special steels, including stainless steel, tool & die steel, and high-speed steel. We also have our own import/export license, so we can serve overseas customers directly and support stable supply with batch traceability.

Yes. For first-time cooperation, we can provide a limited quantity of samples for verification (such as grade confirmation, machining trials, or heat-treatment evaluation). Samples can be shipped by international courier, and the courier cost is paid by the buyer. We value honest cooperation and look forward to a long-term win-win partnership.

Our common international payment methods include T/T and L/C. For trade terms, we can also support options such as DDU based on the order. The final payment method and terms can be confirmed according to your country/region, order value, and delivery method.

 

Our products use standard industrial packaging to ensure safe transportation. If you need custom packaging, please let us know when placing your order.

If the products are in stock, delivery usually takes 5–7 days.
If the products are not in stock, delivery time is about 30–40 days, depending on the order quantity.

圆棒 30
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