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NSPM Tool Steel

From steel selection to processing and delivery — All in one place

NSPM is the tool steel brand under Ningshing, focused on delivering high-performance and cost-effective tool and die steels for mold manufacturing and industrial applications worldwide.

We provide a complete range of hot work, cold work, and plastic mold steels, combining material know-how, stable supply capability, and practical technical support.

Our products are guided by the NSPM Steel Standard, which ensures consistent quality and stable performance through strategic cooperation with leading steel mills, controlled production processes, and application-driven material expertise.

What is tool steel

Tool steel is a specialized category of high-performance alloy steel designed for manufacturing tools, molds, dies, and industrial components that operate under high pressure, heavy wear, repeated impact, and extreme temperature conditions. Compared with ordinary steel materials, tool steel offers significantly better hardness, wear resistance, toughness, dimensional stability, and heat resistance, making it essential for modern industrial manufacturing.

We supply a wide variety of tool steel types & grades

NSPM supplies a complete range of hot work, cold work, and plastic mold steels for diverse industrial applications.
Our portfolio includes DIN, ASTM, and JIS grades, as well as proprietary NSPM innovation grades.
We combine stable supply, consistent quality, and application-focused technical support for global mold and tooling manufacturers.

hot work tool steels

Hot work tool steels are designed for applications involving elevated temperatures, thermal cycling, and repeated mechanical stress. These materials must maintain hardness, toughness, and dimensional stability under high-temperature operating conditions.

Through controlled production processes and advanced remelting technologies such as ESR, NSPM ensures improved cleanliness and microstructural consistency for demanding hot work environments.

NSPM supplies a complete range of hot work tool steels suitable for die casting molds, forging dies, extrusion tooling, hot punches, and aluminum processing applications. Our hot work grades include:

1.2344/H13, 1.2343/H11, 1.2714/L6, 1.2376, 1.2365, 1.2779, 1.2885, 1.2888

cold work tool steels

Cold work tool steels are widely used in applications requiring high hardness, wear resistance, edge retention, and dimensional accuracy at room temperature. These steels are commonly applied in stamping, cutting, shearing, punching, and precision forming operations.

By combining optimized chemical composition with strict heat treatment control, NSPM cold work steels deliver stable hardness and long tooling life for high-volume industrial production.

They are suitable for manufacturing stamping dies, punches, cold forming dies, industrial knives, rolling tools, and wear-resistant machine components. NSPM offers a broad portfolio of cold work tool steels, including:

1.2379/D2, 1.2080/D3, 1.2436/D6, 1.2842/O2, 1.2510/O1, 1.2363/A2, 1.2360/A8, 1.2550/S1, 1.2767, 1.2746, 1.2631, SKD11, Cr12MoV etc.

plastic mold steels

Plastic mold steels are specially developed for injection molds, compression molds, blow molds, and precision plastic tooling applications. These steels require excellent machinability, polishability, corrosion resistance, and dimensional stability.

With growing demand for precision plastic products and complex mold structures, NSPM continuously improves steel cleanliness and structural uniformity to support modern mold manufacturing requirements.

Our plastic mold steels are widely used in automotive parts, electronic housings, household appliances, packaging products, medical devices, and consumer product manufacturing. NSPM supplies high-quality plastic mold steels including:

1.2083/420, 1.2316/S136, NAK80, 1.2738HH

NSPM tool steel innovation

Innovation is one of the core strengths of NSPM. Beyond supplying standard international grades, we actively develop proprietary tool steel materials designed to address real industrial challenges and improve tooling performance.

These advanced grades are developed through ongoing research in alloy optimization, heat treatment technology, and application performance enhancement. NSPM focuses on balancing hardness, toughness, wear resistance, thermal stability, and machinability according to specific industrial applications.

By combining application-driven development with continuous innovation, NSPM helps customers improve productivity, reduce tooling failure, and lower total manufacturing costs. Our innovation NSPM steel grades include:

available sizes and supply conditions

Tool steel shapes & dimensions

NSPM supplies tool steel products in multiple shapes and dimensions to support different machining requirements, tooling designs, and industrial applications. Our flexible inventory and manufacturing systems allow customers to source suitable materials efficiently with stable lead times.

Forged steel: Round Φ70–Φ1200mm | Flat 40–1200 × 300–2300mm

NSPM forged tool steel products are manufactured through advanced forging processes to improve internal structure uniformity, mechanical strength, and toughness. We supply forged round bars ranging from Φ70mm to Φ1200mm and forged flat bars ranging from 40–1200mm thickness and 300–2300mm width.

Rolled steel: Round Φ5–Φ130mm | Flat 6–350 × 50–2300mm

For smaller tooling applications and precision machining requirements, NSPM also supplies rolled tool steel products with excellent dimensional consistency and machinability. Our rolled steel products include round bars from Φ5mm to Φ130mm and flat bars from 6–350mm thickness and 50–2300mm width.

Flexible Delivery:

We provide flexible delivery solutions including customized cutting, machining coordination, export packaging, and material preparation services according to customer requirements.

typical applications of our tool steel

NSPM tool steel products are widely used in various industrial sectors where high performance, durability, and reliability are critical.

Die casting molds and tooling components

Tool Steel Solutions for Die Casting Dies

For aluminum, zinc, and magnesium die casting applications, NSPM recommends hot work tool steels such as 1.2344/H13, 1.2343/H11, and NS8407. These grades offer excellent thermal fatigue resistance, toughness, and heat checking resistance, making them ideal for die casting molds, inserts, cores, and high-temperature tooling components.

Forging dies and hot work tooling

Tool Steel Solutions for Hot Forging Dies

Heavy-duty forging operations require excellent toughness and high-temperature strength. Grades including 1.2714/L6, 1.2365, 1.2779, and NS8418VAR are widely used for forging dies, hot punches, mandrels, and extrusion tooling. These materials provide strong impact resistance and stable performance under repeated thermal and mechanical stress.

Aluminum & copper & brass extrusion dies

Tool Steel Solutions for Extrusion Dies

For aluminum, copper, and brass extrusion dies, NSPM recommends 1.2344/H13, 1.2365, NS8407, and NS8418VAR. These grades offer excellent hot strength, thermal conductivity, and resistance to thermal cracking, helping improve extrusion efficiency, die lifespan, and dimensional consistency in high-temperature extrusion processes.

Stamping tools, punches and dies

Tool Steel Solutions for Stamping Punch Tools

For cold stamping, blanking, punching, and forming applications, NSPM recommends wear-resistant grades such as 1.2379/D2, SKD11, 1.2436/D6, and NSCr7V. These steels provide high hardness, excellent edge retention, and superior wear resistance, helping extend tooling life in high-volume production environments.

Injection molds and plastic tooling

Tool Steel Solutions for Plastic Injection Molds

Plastic injection molds require good machinability, polishability, and corrosion resistance. NSPM supplies 1.2083/420, 1.2316/S136, NAK80, and 1.2738HH for automotive parts, electronic housings, medical molds, and consumer product tooling. These grades deliver excellent surface finish quality and stable mold performance during long production cycles.

Industrial cutting tools and blades

Tool Steel Solutions for Industrial Cutting Blades

Industrial blades and cutting tools require outstanding hardness and wear resistance. NSPM recommends 1.2379/D2, 1.2080/D3, 1.2510/O1, and NSD1 for slitting blades, shear knives, paper cutters, and industrial cutting applications. These materials maintain sharp cutting edges and reduce downtime caused by tool wear.

Machine components and wear parts

Tool Steel Solutions for Machine components

For wear-resistant machine parts such as shafts, rollers, guide rails, bushings, and sleeves, NSPM supplies durable grades including 1.2767, 1.2550/S1, 1.2746, and NSDX. These materials provide a balanced combination of hardness, toughness, and fatigue resistance for demanding industrial operating conditions.

Precision tooling for automotive and machinery industries

Tool Steel Solutions for Precision Tooling

Precision tooling applications in automotive and machinery manufacturing require excellent dimensional stability and consistent performance. Grades such as 1.2363/A2, SKD11, 1.2344/H13, and NS8350 are widely used for precision dies, forming tools, and automated production tooling where high accuracy and long service life are critical.

Characteristics & Properties of Tool Steel

NSPM tool steels combine hardness, wear resistance, toughness, and heat treatment stability to ensure reliable performance, longer tooling life, and consistent precision in demanding industrial applications.

Superior Hardness Stability

Tool steels are designed to achieve high hardness levels after heat treatment. This enables tools and molds to maintain dimensional accuracy and resist deformation during heavy-duty operation.

Outstanding Wear Performance

Wear resistance is one of the most important characteristics of tool steel. Through optimized alloy composition and carbide distribution, NSPM materials offer excellent resistance to abrasive wear, adhesive wear, and surface fatigue.

Excellent Impact Toughness

In many industrial applications, tool steels must resist cracking and impact failure while maintaining high hardness. NSPM carefully balances hardness and toughness to ensure reliable performance under demanding working conditions.

Reliable Heat Treatment Stability

NSPM tool steels are engineered to minimize distortion and improve heat treatment consistency. This allows to achieve precise dimensions more efficiently while reducing machining correction requirements after hardening processes.

Why choose NSPM as your tool steel manufacturer

NSPM Steel — Your Reliable Tool Steel Partner for Mold Manufacturing

Our engineering & manufacturing capability

Our engineering team possesses extensive application knowledge and practical experience in mold manufacturing and industrial tooling. We continuously invest in research, testing capability, and material innovation to improve product performance and customer value. Compliant with ASTM, DIN and JIS standards, our materials integrate seamlessly with your existing quality system.

NSPM tool steel quality control

Quality consistency is a key focus throughout the NSPM production and supply process. Strict process control ensures reliable material performance from raw material sourcing to final delivery. NSPM also operates certified inspection systems and independent laboratories for comprehensive testing and performance verification. By maintaining strict inspection standards and complete traceability systems, NSPM ensures stable product quality and customer confidence.

Controlled raw material sourcing and chemical stability
Advanced melting and remelting technology (ESR)
100% ultrasonic testing and full inspection
Tight dimensional and hardness control
Full traceability from raw material to delivery

NSPM tool steel innovation

As a trusted tool steel brand under Ningshing, NSPM continues to support global manufacturers with reliable material solutions, continuous innovation, and practical technical expertise.

Whether customers require standard grades, advanced proprietary materials, or customized application support, NSPM delivers professional tool steel solutions designed for modern industrial manufacturing.