Ar 400 Plate

氩气 400 盘子

耐磨钢板 耐磨钢板
耐磨钢 耐磨钢

AR400 plate is a medium-hardness wear resistant steel designed for applications requiring a balance of abrasion resistance and toughness.

其主要优点包括:

  • Nominal hardness around 400 HBW
  • Quenched and tempered martensitic structure
  • Good wear and impact resistance balance
  • Reliable weldability and fabrication performance
分类：

AR400 plate is a 耐磨钢 (Abrasion Resistant steel) with a nominal hardness of around 400 HBW. It is engineered to provide an excellent balance between 耐磨性, 韧性, 和可焊性, making it one of the most commonly used wear plate grades in industrial applications.

AR400 is widely used in environments where materials are exposed to moderate to severe wear conditions such as impact, 滑动磨损, and material flow.

1. Chemical Composition of AR400 Plate

AR400 is typically a low-alloy quenched and tempered steel, designed to achieve hardness through controlled heat treatment rather than high carbon content.

元素 典型范围 功能
碳 (C) 0.20 – 0.28% 提供硬度和耐磨性
锰 (锰) 0.70 – 1.60% 提高韧性和淬透性
硅 (和) 0.20 – 0.70% Strengthens steel matrix
铬 (铬) 0.50 – 1.50% 增强耐磨性和耐腐蚀性
镍 (在) 0 – 1.00% 提高韧性和抗冲击性
硼 (乙) 痕迹 Increases hardenability efficiency

Key point:
AR400 achieves hardness mainly through 调质, not high carbon content, which helps maintain toughness.

2. 硬度和机械性能

AR400 plate is defined by its hardness level:

  • 硬度: 360 – 440 HBW (大约. 400 HB nominal)
  • 抗拉强度: ~1000 – 1400 兆帕 (varies by manufacturer)
  • Good impact resistance
  • Moderate formability and weldability

Performance balance:

  • Hard enough for abrasion resistance
  • Tough enough to resist cracking under impact

3. 显微组织特征

AR400 steel typically has a quenched and tempered martensitic structure, 它提供了:

  • 表面硬度高
  • Uniform wear resistance through thickness
  • Controlled toughness to prevent brittle failure

This microstructure ensures stable performance in dynamic working conditions.

4. 主要性能特点

1. 高耐磨性

  • 优异的抗滑动磨损能力
  • Suitable for continuous material flow environments

2. 良好的抗冲击性

  • Designed to withstand moderate impact loads
  • Prevents cracking under shock conditions

3. Balanced Weldability

  • 可以通过适当的程序进行焊接
  • Requires preheating in thick sections

4. 使用寿命长

  • Extends equipment lifespan
  • 减少维护和停机成本

5. Common Applications of AR400 Plate

AR400 wear plate is widely used in:

  • Mining equipment and dump truck bodies
  • Excavator buckets and liners
  • 水泥厂溜槽和料斗
  • 输煤系统
  • Agricultural machinery wear parts
  • 建筑设备内衬
  • Material handling and conveyor systems
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