|
Diameter: 7.1mm,9.0mm,10.7mm,12.6mm
Coil Diameter: Inner 2.0-2.1m Outer 2.3-2.4m
Standards: JISG3137,YB/T111
Standards(YB/T111-1997)
Table 1
|
Diameter
mm |
Base Diameter
mm |
Tolerance
mm |
Normail Section Area
m3 |
Theoretical Weight
kg/m |
|
7.1 |
7.25 |
±0.15 |
40.0 |
0.314 |
|
9.0 |
9.15 |
±0.20 |
64.0 |
0.502 |
|
10.7 |
11.10 |
±0.20 |
90.0 |
0.706 |
|
12.6 |
13.10 |
±0.20 |
125 |
0.981 |
|
Note: shaped steel bar of nominal diameter equal to the cross-sectional area of light round the same nominal diameter rod. |
Table 2
|
Number |
Tensile Strength
MPa |
Yield Strength
not less(MPa) |
Elongation
％ |
Relax
no more(％) |
|
SBPDL930/1080 |
1080 |
930 |
5 |
2.5 |
|
SBPDL1080/1230 |
1230 |
1080 |
5 |
2.5 |
|
SBPDL1275/1420 |
1420 |
1275 |
5 |
2.5 |
|
Chemical Composition
no more（％） |
P 0.030 S 0.035 Cu 0.30 |
|
