JB/T 2774-1992
PN16~32MPa Stepped Double end stud
JB/T 1308.15-1999
PN 250 MPa Stepped Double end stud
HG/T 21573.2-1995
Type BT double end studs with hole-Type I
HG/T 21573.2-1995
Type BT double end studs with hole-Type II
HG/T 21573.2-1995
Type BT double end studs-Type III
GB/T 13807.2-1-2008
Type SD Double end studs(d≤56mm)-Table 1
GB/T 13807.2-1-2008
Type SD Double end studs(d≥64mm)-Table 1
GB/T 13807.2-1-2008
Type AD Double end studs(d≤56mm)-Table 1
GB/T 13807.2-1-2008
Type AD Double end studs(d≥64mm)-Table 1
GB/T 13807.2-1-1992
Type SD Double end studs(d≤56mm)-Table 1
GB/T 13807.2-1-1992
Type SD Double end studs(d≥64mm)-Table 1
GB/T 13807.2-1-1992
Type AD Double end studs(d≤56mm)-Table 1
GB/T 13807.2-1-1992
Type AD Double end studs(d≥64mm)-Table 1
GB/T 13807.2-2-1992
Type F and Type L double end studs(d≤56mm)-Table 2
GB/T 13807.2-2-1992
Type F and Type S double end studs(d≤56mm)-Table 2
GB/T 13807.2-2-1992
Type F and Type LW double end studs(d≤56mm)-Table 2
GB/T 13807.2-2-1992
Type F and Type SW double end studs(d≤56mm)-Table 2
GB/T 13807.2-2-1992
Type C and Type L double end studs(d≤56mm)-Table 2
GB/T 13807.2-2-1992
Type C and Type S double end studs(d≤56mm)-Table 2
GB/T 13807.2-2-1992
Type C and Type LW double end studs(d≤56mm)-Table 2