XSTEELIA™ Catalyst for Steel Innovation
High-function bar and wire rod products

We can offer abundant steel types and sizes to meet diversified sophisticated needs in each field.

See information catalogue

Automobiles

Area Purpose Product name and characteristics Advantages of customers High strength
Weight reduction
Omission of process
Easy workability
Environmental response
Others
Engine
Hot forged parts

High strength non-refining steel for hot forging

[Characteristics]

  • Component design according to the purpose, form and size of forged products on the customer side.
  • Enables omission of quenching and tempering processes.
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Cold forging parts

Steel bar for cold forging

[Characteristics]

  • A wide range of strength and excellent workability
  • Component design according to the purpose and processing type of customers.
  • Enables cold forging for a wide range of purposes and processing types.
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Connecting rod

[Characteristics]

  • High fatigue and high buckling non-refining steel
  • High quality and stable fracture splittability with a large end part rupture/separation corresponding type.
  • Contributes to weight reduction and fuel improvement.
  • Enables omission of manufacturing processes.
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Valve suspension

Wire rod for high strength valve suspension

[Characteristics]

  • High cleanliness and long life
  • Satisfies both high strength and good workability
  • Reduces string weight and engine size.
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Transmission
Gear

Steel for high strength gears (XG5, CM201, etc.)

[Characteristics]

  • Optimal component design according to customers' needs.
  • XG5: excellent tooth strength and tooth bending strength
  • CM201: excellent cycle bending strength, reduces carburized abnormal layers and provides thick carburized hardening-layers.
  • Contributes to weight reduction and fuel improvement.
  • Enables cold forging in combination with spheroidizing heat treatment.
  • XG5: enables cold forging
  • CM201: realizes longer fatigue life
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Parts for soft nitriding

Low-distortion and high durability steel for soft nitriding

[Characteristics]

  • Pitching resistance resulting from hardening of deep layers, high fatigue strength
  • Enables omission of the tooth repair cutting process by quenching to reduce distortion.
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Carburized parts

Coarse grain prevention steel (NSACE)

[Characteristics]

  • Coarse grain prevention during high-temperature carburizing.
  • Enables omission of high-temperature carburizing and intermediate heat treatment processes.
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Mild alloy

[Characteristics]

  • Same components as standardized steel.
  • Reduces hardness with the same rolling method.
  • Enables omission of the annealing treatment process before cold processing.
  • Same hardness distribution as conventional materials after carburizing and quenching.
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Super Mild Alloy

[Characteristics]

  • Addition of trance element.
  • Hardness equivalent to spheroidizing annealing (SA) with the same rolling method.
  • Enables omission of the annealing treatment process before cold processing.
  • Enables further softening and extension of life of metal molds when SA is adapted.
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Suspension
High frequency quenched parts

Steel for high strength and high frequency quenching

[Characteristics]

  • Excellent bearing fatigue strength and bending fatigue strength
  • Optimal component design according to customers' needs.
  • Enables omission of the carburizing heat treatment process
  • Contributes to high-torque types and reducing part size.
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Cold forged parts

Super Forge (SF)

[Characteristics]

  • Controlled rolling – the combination of controlled cooling and spheroidizing annealing improves the level of spheroidizing of carbides.
  • Contributes to increasing the limit of processing when forging
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Shafts

Steel for direct normalizing treatment (FG, DN)

[Characteristics]

  • Refining of structures using the controlled rolling method.
  • Enables omission of the normalizing treatment process.
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High-strength, high-toughness steel without the quench-and-temper process

[Characteristics]

  • Our unique rolling method achieves high strength and high toughness equivalent to quenched and tempered steel.
  • The steel is available to reduce the quench-and-temper process.
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Suspension spring

Steel for high strength suspension springs

[Characteristics]

  • Excellent hydrogen embrittlement resistance and toughness
  • Contributes to the improvement of suspension design flexibility and weight reduction.
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Tires

[Characteristics]

  • Reduces hard inclusions and segregation
  • Stable code property (strength, etc.) with small component fluctuations.
  • Our original high strength component design
  • Thin wire rod (can supply wire rod with diameters of 3.8Φ, 4.0Φ and 4.5Φ)
  • Enables a stable wire drawing processing that prevents disconnection.
  • High-strength special component menu enables weight reduction of tires.
  • Thin wire rod menu enables omission of processes.
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Fastener
Bolts and nuts

[Characteristics]

  • Controls hydrogen embrittlement (delayed fracture) and contributes to high strength.
  • Contributes to the weight reduction by decreasing bolt size and the number of construction bolts.
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Boron steel for cold forging (SBR, NHB)

[Characteristics]

  • Maintains adequate bolt strength without a spheroidizing annealing process by reducing the carbon amount and adding boron.
  • Enables simplification of heat treatment process.
  • Reduces costs for alloy steel.
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[Characteristics]

  • Our original high-strength and non-refining component design
  • Enables omission of quenching and tempering processes after cold forging. (requires bluing treatment)
  • Enables cold forging while maintaining high strength.
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Non-annealing type low-carbon aluminum killed steel (SNH*: A/B)

[Characteristics]

  • Prevents strain aging
  • Enables repeated processes without annealing
  • Small processing hardening during cold forging
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[Characteristics]

  • In-line softening treatment realizes a hardness level equivalent to that of the normal annealing with the same rolling process.
  • Extends the life span of metal molds.
  • Enables omission of the annealing process after wire drawing.
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[Characteristics]

  • In-line softening treatment realizes uniform refining of annealing structures.
  • Reduces hardness level after annealing.
  • Extends the life span of metal molds.
  • Enables simplification (omission of grinding) in the wire drawing process.
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Industrial and electrical machinery

Area Purpose Product name and characteristics Advantages of customers High strength
Weight reduction
Omission of process
Easy workability
Environmental response
Others
Industrial and electrical machinery
Cutting parts

Non-refining steel for direct cutting

[Characteristics]

  • A wide range of strength
  • Component design according to customers' purposes
  • Enables omission of quenching and tempering processes.
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Free-cutting steel for machine structure

[Characteristics]

  • Machinery properties equivalent to carbon steel for machine structures and alloy steel for machine structures
  • Excellent machinability
  • Extends the life span of tools.
  • Increases productivity.
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SUMICUT (low-carbon free-cutting steel)

[Characteristics]

  • Excellent machinability (contains sulfur, sulfur + lead)
  • Extends the life span of tools.
  • Increases productivity.
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[Characteristics]

  • Excellent machinability (no lead added)
  • Expands the life span of tools.
  • Increases productivity.
  • Reduces environmental load substances.
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Solar power (saw wires)

[Characteristics]

  • High cleanliness and surface uniformity.
  • Thin wire rod (can supply wire rod with diameters of 3.8Φ, 4.0Φ, 4.5)
  • Reduces wire disconnection during wire drawing and cutting processes.
  • Reduces the cutting loss of silicon wafer, etc. due to thin wires.
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Construction and public works

Area Purpose Product name and characteristics Advantages of customers High strength
Weight reduction
Omission of process
Easy workability
Environmental response
Others
Construction and public works infrastructure
High power bolts

SHTB, steel for high tension bolt

[Characteristics]

  • Controls hydrogen embrittlement and contributes to high strength.
  • Enables reduction of the size of joint works and construction costs.
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Steel for fire resistant bolts

[Characteristics]

  • Excellent fire resistance
  • Applied to connecting bolts of fire resistant (FR) steel for construction structures.
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Steel for weather resistant bolts

[Characteristics]

  • Excellent weather resistance
  • Applied to connecting bolts of steel structures such as bridges.
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Bridge cables

[Characteristics]

  • Thick and high strength materials
  • Received the "Main Award" of the 47th (FY 2014) Ichimura Prize in Industry.
  • Enables the reduction of design flexibility of bridges and decrease of construction costs.
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Chains

Steel for high strength chains

[Characteristics]

  • Our original component design contributes to high strength.
  • Enables weight reduction of chains for mooring of marine structures, etc.
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Wire mesh for bank protection, fences, power transmission/
distribution lines, etc.

NSSMC group's new zinc alloy plated steel wire products with high corrosion resistance

See the special page for details.

  • Extends the life span and reduces costs.
  • Excellent environmental performance
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Common area

Area Purpose Product name and characteristics Advantages of customers High strength
Weight reduction
Omission of process
Easy workability
Environmental response
Others
Common area
Steel codes, piano wires, hard steel wires, wire rods for welding, etc.

(5.0 mm, 4.5 mm, 4.0 mm, 3.8 mm, 3.6 mm)

[Characteristics]

  • Wire diameter (thin)
  • Excellent wire drawing capability
  • Enables omission of the patenting process.
  • Enables omission of the wire drawing process.
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Bridge cables, cold forged parts, etc.

(DLP: Direct in-Line Patenting)

[Characteristics]

  • Our original in-line heat treatment wire rod.
  • Excellent balance of strength and extension.
  • Can be used for a wide range of purposes.
  • Enables omission of the heat treatment process (LP = lead patenting) by the customer.
  • Contributes to environmental load reduction by saving energy.
  • ontributes to the reduction of environmental load substances.
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