1. 商品緊固件

  商品(pin)緊(jin)固(gu)(gu)件(jian)的材料及其機(ji)械性(xing)(xing)能(neng)(neng)應(ying)符合GB/T 3098.1《緊(jin)固(gu)(gu)件(jian)機(ji)械性(xing)(xing)能(neng)(neng)螺(luo)栓、螺(luo)釘和螺(luo)柱》、GB/T 3098.2《緊(jin)固(gu)(gu)件(jian)機(ji)械性(xing)(xing)能(neng)(neng) 螺(luo)母 粗(cu)牙(ya)螺(luo)紋》、GB/T 3098.4《緊(jin)固(gu)(gu)件(jian)機(ji)械性(xing)(xing)能(neng)(neng) 螺(luo)母 細牙(ya)螺(luo)紋》和GB/T 3098.6《緊(jin)固(gu)(gu)件(jian)機(ji)械性(xing)(xing)能(neng)(neng)不銹鋼螺(luo)栓、螺(luo)釘和螺(luo)柱》或GB/T 3098.15《緊(jin)固(gu)(gu)件(jian)機(ji)械性(xing)(xing)能(neng)(neng)不銹鋼螺(luo)母》的規定。

2. 專用緊固件

 專用(yong)緊固件(jian)所用(yong)材料的(de)(de)化(hua)學成分(fen)、熱(re)處理制度及(ji)機械性能(neng)見(jian)表10-6。超高溫高壓法蘭(lan)用(yong)緊固件(jian)的(de)(de)材料牌號及(ji)化(hua)學成分(fen)、熱(re)處理制度和(he)產品的(de)(de)機械性能(neng)由供需雙方協(xie)商確定。