共和工業所 List of Products and Services

Appropriate wear resistance measures are key to business success. Buckets, hoppers, and casings made from wear-resistant steel Hardox maximize the wear resistance of your equipment and facilities, significantly extending operational time. 【Features】 ● High wear resistance, 12.5 times that of ordinary steel for HX500. ● High hardness, Brinell 500 for HX500. ● High toughness, resistant to cracking. ● No heat treatment, surface treatment, or overlay required. ● Machining, welding, and cutting are possible. ● Various grades and thicknesses available for selection based on application. ● Customization and tailoring are possible. 【Applications】 ■ Buckets ■ Excavator buckets ■ Skeleton buckets ■ Conveyor buckets ■ Concrete buckets ■ Hoppers ■ Service tanks ■ Multi-branch hoppers ■ Dampers ■ Casings

• Drilling Machine
• Rock drills, demolition machines, and excavators
• Structural Design Office

The chutes, cyclones, and pipes of crushers require wear resistance, impact resistance, and workability. Wear-resistant steel HARDOX plates possess these qualities. 【Features】 ● High wear resistance, 12.5 times that of ordinary steel for HX500. ● High hardness, Brinell hardness of 500 for HX500. ● High toughness, resistant to cracking. ● No heat treatment, surface treatment, or buildup required. ● Machinable, weldable, and can be cut. ● Available in various grades and thicknesses, selectable based on application. ● Customization and tailoring options are available.

• Drilling Machine
• Rock drills, demolition machines, and excavators
• Structural Design Office

For the efficient sorting of crushed stone, gravel, industrial waste, and more, sieves, screens, and trommels are essential. HARDOX, known for its excellent wear resistance and impact resistance, boasts high toughness and hardness even at low temperatures of -40°C, regardless of climate, terrain, or environment, ensuring a long service life. 【Features】 ● High wear resistance, 12.5 times that of ordinary steel for HX500 ● High hardness, Brinell hardness of 500 for HX500 ● High strength, tensile strength of 1550 MPa for HX500 ● High toughness, impact value of 30 J at -40°C for HX500 ● Uniform strength, hardness, and toughness throughout the core ● No need for overlay, heat treatment, or surface treatment ● Excellent weldability and machinability ● Impact resistance and weld crack resistance even in cold regions ● Available in various grades, thicknesses, and applications ● Custom and made-to-order options available 【Applications】 ■ Various wear-resistant sieves ■ Various wear-resistant screens ■ Various wear-resistant trommels ■ Die plates ■ Sieve mesh ■ Screen-type molding machines ■ Vibrating sieves ■ Vibrating screens ■ Two-stage screens ■ Supply sorting machines 【Content Note: For more details, please refer to the catalog.】

• Drilling Machine
• Structural Design Office
• Reinforced concrete construction

Plates made from HARDOX wear-resistant steel not only possess excellent toughness and high strength, but also have outstanding weldability and machinability. Moreover, they maintain high toughness and high hardness even at low temperatures of -40°C. 【Features】 ● High wear resistance, 25 times that of ordinary steel in the case of HX600 ● High hardness, Brinell hardness of 600 in the case of HX600 ● High strength, tensile strength of 2000 MPa in the case of HX600 ● High toughness, impact value of 20 J at -40°C in the case of HX600 ● Uniform strength, hardness, and toughness throughout the core ● No need for buildup, heat treatment, or surface treatment ● Excellent weldability and machinability ● Equipped with impact resistance and weld crack resistance even for use in cold regions ● Options available for various grades, thicknesses, and applications ● Custom orders and made-to-order options available 【Applications】 ■ Fan plates for blowers and feeders ■ Various wear-resistant wear plates ■ Various base plates ■ Water impact plates ■ Plates for crushers ■ Side plates (with screw machining) ■ Grab bit keep plates ■ Anvils ■ Washer plates ■ Screw blade sides ■ Edges for snow removal machines in cold regions 【Content published. For more details, please refer to the catalog.】

• Drilling Machine
• Structural Design Office
• Architectural design office

Liners made from wear-resistant steel plate HARDOX not only possess excellent toughness and high strength but also have outstanding weldability and workability. Moreover, they maintain high toughness and high hardness even at low temperatures of -40°C. 【Features】 ● High wear resistance, 25 times that of ordinary steel in the case of HX600 ● High hardness, Brinell 600 in the case of HX600 ● High strength, tensile strength of 2000 MPa in the case of HX600 ● High toughness, impact value of 20 J (-40°C) in the case of HX600 ● Uniform strength, hardness, and toughness throughout the core ● No need for buildup, heat treatment, or surface treatment ● Excellent weldability and workability ● Suitable for use in cold regions, with impact resistance and resistance to weld cracking ● Options available in various grades, thicknesses, and applications ● Custom orders and made-to-order options available 【Content published. For details, please refer to the catalog.】

• Drilling Machine
• Structural Design Office
• Architectural design office

In demanding tasks, mechanical strength and wear resistance are required for pins, shafts, and wheels. The material that satisfies these requirements for our customers is the hard, strong, and highly tough wear-resistant steel plate HARDOX. An example is in the welding assembly device for agricultural machinery frames, where during trial runs, about 1 in 10 positioning pins broke. By using HARDOX 500 pins, we produced 5,000 units over approximately a year and a half, and not a single pin has broken yet. 【Features】 ● High wear resistance, 12.5 times that of ordinary steel for HX500. ● High hardness, Brinell hardness of 500 for HX500. ● High strength, tensile strength of 1550 MPa for HX500. ● High toughness, impact value of 30 J (-40°C) for HX500, resistant to cracking. ● No heat treatment or surface treatment required. ● Various grades and thicknesses available for selection based on application. ● Custom and made-to-order options available. 【Applications】 ■ High-strength, high-wear pins. ■ High-strength, high-wear bushings. ■ High-strength, high-wear shafts. ■ High-strength, high-wear wheels.

• Architectural design office
• Civil Engineering Design Office
• Structural Design Office

In guide devices such as press guides and conveyor chain guides, strict wear resistance and impact resistance are required. To ensure smooth movement, good machinability of the material is also necessary. The only material that can satisfy these requirements for our customers is Hardox, which is hard, strong, highly tough, and has excellent machinability. The key to the consistent success of Hardox wear-resistant steel plates has been their superior wear resistance and impact resistance. By using Hardox for guides, it is possible to achieve lightweight structural designs without permanent deformation or cracking. 【Features】 ● High wear resistance, 12.5 times that of ordinary steel for HX500. ● High hardness, Brinell hardness of 500 for HX500. ● High strength, tensile strength of 1550 MPa for HX500. ● High toughness, impact value of 30 J (-40°C) for HX500, resistant to cracking. ● No heat treatment or surface treatment required. ● Various grades and thicknesses available for different applications. ● Custom orders and tailor-made options are possible. 【Applications】 ■ Press guides ■ Conveyor guides ■ Conveyor chain guides ■ Scraper chain guides ■ Various wear-resistant guides

• Architectural design office
• Civil Engineering Design Office
• Structural Design Office

The wear-resistant steel plate HARDOX rail has uniform strength and toughness from the surface to the center, does not require heat treatment, is resistant to wear and internal fatigue damage, maintains its properties even at low temperatures, and achieves wear resistance under harsh conditions. 【Features】 ● High wear resistance, 12.5 times that of ordinary steel for HX500. ● High hardness, Brinell hardness of 500 for HX500. ● High strength, tensile strength of 1550 MPa for HX500. ● High toughness, impact value of 30 J (-40°C) for HX500, resistant to cracking. ● No heat treatment or surface treatment required. ● Available in various grades and thicknesses, suitable for different applications. ● Custom orders and bespoke options are available.

• Architectural design office
• Civil Engineering Design Office
• Structural Design Office

Channel-shaped steel, known as "channel," is used in various applications such as construction, can manufacturing, and equipment. Channels made by bending HARDOX, a hard, strong, and highly tough wear-resistant steel plate, allow for lightweight structural design without permanent deformation or cracking, thereby enhancing the added value of customers' products. Channel products made from the latest wear-resistant HARDOX500TUF steel plate possess higher hardness and strength than HARDOX450. The mechanical properties of HARDOX wear-resistant steel plates exhibit high toughness, high hardness, and high strength even at low temperatures of -40°C, regardless of climate, terrain, or environment, ensuring a long service life. 【Features】 ● High wear resistance, 8 times that of ordinary steel for HX450. ● High hardness, Brinell hardness of 450 for HX450. ● High strength, tensile strength of 1400 MPa for HX450. ● High toughness, impact value of 50 J (-40°C) for HX450, resistant to cracking. ● No heat treatment or surface treatment required. ● Available in various grades, thicknesses, and applications. ● Custom orders and made-to-order options are available.

• Architectural design office
• Civil Engineering Design Office
• Structural Design Office

Using Hardox wear-resistant steel plates for truck bodies and dump trucks, along with floor panels, demonstrates superior lightweight properties and strength, making a difference at various levels. By adopting the latest upgrade in the Hardox series, the Hardox 500 Tuf wear-resistant steel plate, the strength and weight reduction of the vehicle body are improved, as well as the distribution of loads, allowing trucks and dump trucks to achieve a higher level of performance. Even after loading and unloading, the reduction in vehicle body weight leads to fuel savings and reduced tire wear, thus enhancing the overall performance of the truck and increasing customer satisfaction. The mechanical properties of Hardox wear-resistant steel ensure high toughness, high hardness, and high strength even at low temperatures of -40°C, regardless of climate, terrain, or environment, resulting in a long service life. 【Features】 ● High wear resistance, 8 times that of ordinary steel for HX450. ● High hardness, Brinell hardness of 450 for HX450. ● High strength, tensile strength of 1400 MPa for HX450. ● High toughness, impact value of 50 J (-40°C) for HX450, resistant to cracking. ● No heat treatment or surface treatment required. ● Various grades and thicknesses available for selection based on applications. ● Custom and made-to-order options available.

• Architectural design office
• Civil Engineering Design Office
• Structural Design Office

Sprockets and tooth-shaped components are parts used for power transmission. They are widely utilized in general industrial machinery such as machine tools and conveyor systems. Sprockets and tooth-shaped components made from HARDOX wear-resistant steel exhibit superior lightweight properties and strength, enhancing the performance of our customers' equipment. The mechanical properties of HARDOX wear-resistant steel provide high toughness, high hardness, and high strength even at low temperatures of -40°C, ensuring a long service life regardless of climate, terrain, or environment. 【Features】 ● High wear resistance, 12.5 times that of ordinary steel for HX500. ● High hardness, with a Brinell hardness of 500 for HX500. ● High strength, with a tensile strength of 1550 MPa for HX500. ● High toughness, with an impact value of 30 J (-40°C), resistant to cracking. ● No heat treatment or surface treatment required. ● Various grades and thicknesses can be selected based on application. ● Custom orders and bespoke designs are available.

• Architectural design office
• Civil Engineering Design Office
• Structural Design Office

Swedish steel wear-resistant plate HARDOX is used as a material for various wear-resistant attachments in industries such as mining, construction, recycling, agriculture, forestry, shipbuilding, and road construction. Its combination of hardness and toughness allows for innovative design of structures and components. We are HARDOX Wearparts, a member of the SSAB Group, dedicated to providing the highest quality wear parts using our expertise, information, and technology related to wear resistance, to extend the life of our customers' equipment and reduce costs. 【Features】 ● High wear resistance, high hardness ● High strength, high toughness ● Uniform strength, hardness, and toughness throughout the core ● Excellent flatness and internal stability ● Excellent weldability and repairability ● Various machining options available ● Impact resistance and resistance to welding cracks even in cold environments ● Various steel material standards including plates, round bars, and pipes ● Options available for different grades, thicknesses, and applications ● Custom and made-to-order options available 【Applications】 ■ Mining and quarrying: Crushers, buffer containers ■ Recycling: Shredding blades, screens ■ Vehicle industry: Dump truck bodies

• Architectural design office
• Civil Engineering Design Office
• Structural Design Office

Toolox, which boasts the highest hardness in the world as a pre-hardened steel, combines excellent properties such as high toughness, hardness, machinability, dimensional stability, and fatigue resistance. Toolox has also introduced a round bar type, allowing for various applications. 【Mechanical Properties】 Tensile Strength (MPa) 　　TOOLOX44 Tensile Strength: 1450 MPa Yield Strength (MPa) 　　TOOLOX44 Yield Strength: 1300 MPa Hardness (HBW) 　　TOOLOX44 Hardness: 440 HBW Impact Value (J) 　　TOOLOX44 Impact Value: 30 J (20°C) Maximum Operating Temperature (°C) 　　TOOLOX44 590°C

• Architectural design office
• Civil Engineering Design Office
• Structural Design Office

Strenx high-strength steel plates live up to their name as high-performance steel plates, boasting superior performance that surpasses conventional structural steel, enhancing product strength, lightweight properties, safety, as well as competitiveness and sustainability. 【Mechanical Properties】 Tensile Strength (MPa) 　　STRENX700 Tensile Strength: 850 MPa Yield Strength (MPa) 　　STRENX700 Yield Strength: 700 MPa Impact Value (J) 　　STRENX700 Impact Value: 69 J (-40°C) Maximum Operating Temperature (°C) 　　STRENX700 580°C ◆Exhibiting at the 2024 New Environmental Exhibition◆ Date: May 22 (Wednesday) to May 24 (Friday), 2024, 10:00 AM to 5:00 PM Venue: Tokyo Big Sight (Booth Number: East Hall 2 A-220)

• Architectural design office

The wear-resistant overlay steel plate DUROXITE is composed of a wear-resistant material that is built up on soft steel or Hardox wear-resistant steel plate. It is suitable for applications subjected to severe abrasive wear and medium to low levels of impact. The multi-layer overlay can maintain full wear resistance up to 350°C (660°F) and a general surface hardness of 55 HRC at high temperatures up to 540°C (1000°F), and it is available in single or multiple layers with a thickness of up to 20mm. DUROXITE WIRE is also available, allowing for extended wear resistance through its use in welding applications. Surface Hardness: Single Pass: 55~57 HRC (590~630 HV) Double Pass: 59~62 HRC (675~750 HV) Triple Pass or More: 60~64 HRC (700~810 HV) *Surface hardness is measured on a machined flat surface directly beneath the overlay surface.

• Architectural design office

This is a steel plate that has been overlayed with wear-resistant material (chromium carbide) on top of SS400 or HARDOX450. DUROXITE is particularly effective against sliding wear caused by hard particles. It can withstand various types of wear, including abrasion, heat, metal-to-metal contact, and erosion. It can operate in your harsh wear environment without issues for weeks, months, or even years. 【Features】 - Guarantees wear resistance up to 75% of the overlay depth from the surface. - Further improvement in wear resistance is possible through multi-layer overlaying.

• Other earthworks, foundation works, and exterior floors