Hydrogen embrittlement occurs when a high-strength alloy steel component absorbs hydrogen, which is not removed in a timely manner in accordance with the SOPM (e.g., embrittlement relief baking).

• 如果高强度合金钢在时效过程中没有遵循SOPM（排氢烘焙）的要求而吸收了氢元素就会发生氢脆。