Difference and Application of Wear-Resistant Composite Steel Plate and Wear-Resistant Steel Plate

導入

Wear-resistant steel plates are crucial in industries requiring durable materials. 大きく分けて2つのタイプがあります: 耐摩耗複合鋼板および熱処理耐摩耗鋼板. このガイドでは、それらの違いと用途について概説します.

耐摩耗鋼板と耐摩耗複合鋼板の違い

Composition and Hardness

• 耐摩耗性複合鋼板:
  • Consists of a high-alloy wear-resistant layer welded onto an ordinary steel plate.
  • Combines the wear resistance of the wear layer (hardness above HRC55) with the strength, deformation capacity, and weldability of the substrate.
• Heat-Treated Steel Plate:
  • Made from low-alloy steel quenched and hardened during rolling or post-heat treatment.
  • General hardness ranges from HB360-600.

Wear-Resisting Mechanism and Performance

• 耐摩耗性複合鋼板:
  • The wear layer contains high-hardness alloy carbides (about HV1600) embedded in the matrix.
  • Offers 5 に 6 times higher wear resistance than heat-treated steel.
• Heat-Treated Steel Plate:
  • Features a martensitic structure, providing uniform hardness and strength.
  • Microhardness and macrohardness are similar, 全体的な耐摩耗性を高める.

Temperature Adaptability

• 耐摩耗性複合鋼板:
  • Suitable for high-temperature environments up to 650°C.
  • Can be adapted for even higher temperatures.
• Heat-Treated Steel Plate:
  • Loses hardness above 250°C, 耐摩耗性の低下.
  • Cutting and welding can decrease hardness in the heat-affected zone.

被削性

• 耐摩耗性複合鋼板:
  • Generally cut using plasma cutting.
  • Limited forming capabilities, but can be processed as needed.
• Heat-Treated Steel Plate:
  • あらゆる切断方法に対応.
  • Good bending and forming performance.
  • Can be processed into wear-resistant parts using various techniques like welding, sinking, and bolting.

Applications of Wear-Resistant Composite Steel Plates

Engineering and Machinery

• Construction and Port Machinery:
  • Paver ironing plates, conveyor components, excavator and loader bucket blades, plastic crushing equipment, bulldozer and grader blades, concrete mixing station linings and blades, hydraulic shears, shield machines, grabs, ship unloading equipment, スクリューコンベア, hatch covers, ゴミ収集車, and recycling stations.
• Mining and Cement Machinery:
  • バケツ, ローダー, ホッパー, shearers, boring machines, scraper conveyors, サイロ, 滑る, hoists, heavy truck bodies, 破砕機, ball mills, screen plates, フィーダー, cement classifier shells and blades, roller presses, ファン, and dust collectors.

Metallurgical Industry

• Steel rolling equipment, 鉱石, coke, sintering hoppers, scrap shears, baling machines, blast furnace top hoppers, 滑る, ライナー, およびコンベア.

発電所, Cement Plants, and Ports

• Mill liners, bucket reclaimers, pulverized coal pipes, coal distributors, ホッパー, and unloading equipment liners.

Agricultural Machinery

• Spiral blades for corn harvesters.

By understanding the differences and applications of wear-resistant composite steel plates and heat-treated wear-resistant steel plates, industries can choose the best material for their specific needs.

泰達江華金属 -17 年
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