1. 商品緊固件(jian)

  商(shang)品緊固(gu)(gu)件(jian)(jian)的材(cai)料及其機(ji)械(xie)性能(neng)(neng)應符合(he)GB/T 3098.1《緊固(gu)(gu)件(jian)(jian)機(ji)械(xie)性能(neng)(neng)螺(luo)栓(shuan)、螺(luo)釘和(he)螺(luo)柱(zhu)》、GB/T 3098.2《緊固(gu)(gu)件(jian)(jian)機(ji)械(xie)性能(neng)(neng) 螺(luo)母(mu)(mu) 粗牙螺(luo)紋》、GB/T 3098.4《緊固(gu)(gu)件(jian)(jian)機(ji)械(xie)性能(neng)(neng) 螺(luo)母(mu)(mu) 細(xi)牙螺(luo)紋》和(he)GB/T 3098.6《緊固(gu)(gu)件(jian)(jian)機(ji)械(xie)性能(neng)(neng)不(bu)銹(xiu)鋼(gang)螺(luo)栓(shuan)、螺(luo)釘和(he)螺(luo)柱(zhu)》或GB/T 3098.15《緊固(gu)(gu)件(jian)(jian)機(ji)械(xie)性能(neng)(neng)不(bu)銹(xiu)鋼(gang)螺(luo)母(mu)(mu)》的規(gui)定。

2. 專用緊固件

 專用(yong)緊固件所用(yong)材(cai)(cai)料(liao)的化學成(cheng)(cheng)分(fen)、熱處理制(zhi)度及機械(xie)性能見表10-6。超高溫高壓法蘭用(yong)緊固件的材(cai)(cai)料(liao)牌號及化學成(cheng)(cheng)分(fen)、熱處理制(zhi)度和產(chan)品的機械(xie)性能由供需雙(shuang)方協(xie)商(shang)確定。