1. 商品緊固件(jian)

  商品緊固(gu)(gu)(gu)件(jian)(jian)(jian)的(de)(de)材料及其機(ji)械(xie)性能應符合(he)GB/T 3098.1《緊固(gu)(gu)(gu)件(jian)(jian)(jian)機(ji)械(xie)性能螺(luo)栓、螺(luo)釘(ding)和螺(luo)柱》、GB/T 3098.2《緊固(gu)(gu)(gu)件(jian)(jian)(jian)機(ji)械(xie)性能 螺(luo)母(mu) 粗牙螺(luo)紋》、GB/T 3098.4《緊固(gu)(gu)(gu)件(jian)(jian)(jian)機(ji)械(xie)性能 螺(luo)母(mu) 細牙螺(luo)紋》和GB/T 3098.6《緊固(gu)(gu)(gu)件(jian)(jian)(jian)機(ji)械(xie)性能不銹(xiu)鋼螺(luo)栓、螺(luo)釘(ding)和螺(luo)柱》或(huo)GB/T 3098.15《緊固(gu)(gu)(gu)件(jian)(jian)(jian)機(ji)械(xie)性能不銹(xiu)鋼螺(luo)母(mu)》的(de)(de)規定。

2. 專用緊固件(jian)

 專用緊固件所用材(cai)料的(de)(de)化學成分、熱處理(li)制度(du)及機械性(xing)能(neng)見表10-6。超高溫高壓法(fa)蘭(lan)用緊固件的(de)(de)材(cai)料牌號及化學成分、熱處理(li)制度(du)和產品的(de)(de)機械性(xing)能(neng)由供(gong)需(xu)雙方協商確定。