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

소개

Wear-resistant steel plates are crucial in industries requiring durable materials. 두 가지 주요 유형이 있습니다: 내마모복합강판 및 열처리된 내마모강판. 이 가이드에서는 차이점과 응용 프로그램을 간략하게 설명합니다..

내마모성 강판과 내마모성 복합 강판의 차이

Composition and Hardness

• 내마모성 복합강판:
  • 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

• 내마모성 복합강판:
  • The wear layer contains high-hardness alloy carbides (about HV1600) embedded in the matrix.
  • 제안 5 에게 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, 전반적인 내마모성 향상.

Temperature Adaptability

• 내마모성 복합강판:
  • 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, reducing wear resistance.
  • Cutting and welding can decrease hardness in the heat-affected zone.

가공성

• 내마모성 복합강판:
  • Generally cut using plasma cutting.
  • Limited forming capabilities, but can be processed as needed.
• Heat-Treated Steel Plate:
  • Compatible with all cutting methods.
  • 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, 잡아, ship unloading equipment, 스크류 컨베이어, hatch covers, 쓰레기 트럭, and recycling stations.
• Mining and Cement Machinery:
  • 버킷, 로더, 호퍼, shearers, boring machines, scraper conveyors, 사일로, 전표, hoists, heavy truck bodies, 크러셔, 볼밀, 스크린 플레이트, 피더, cement classifier shells and blades, roller presses, 팬, and dust collectors.

Metallurgical Industry

• Steel rolling equipment, 광석, coke, sintering hoppers, scrap shears, baling machines, blast furnace top hoppers, 전표, 라이너, 그리고 컨베이어.

발전소, 시멘트 식물, and Ports

• 밀 라이너, bucket reclaimers, pulverized coal pipes, coal distributors, 호퍼, 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.

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