China National Standards

China Technical specification hardness GB Standards List


  •  China "Technical specification hardness" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 27866-2023 Technical specification for hardness control of steel pipes and equipment to prevent sulfide stress cracking of welds {译}
    钢制管道和设备防止焊缝硫化物应力开裂的硬度控制技术规范
    China National Standards
    Technical specification hardness

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