Steel Grade GB Standard | Carbon % | Silicon % | Manganese % | Phosphorus % | Sulphur % | Chromium % | Nickel % | Cuprum % |
60# | 0.60-0.61 | 0.18-0.22 | 0.52-0.59 | 0.012 | 0.007 | 0.06-0.07 | 0.05 | 0.18 |
65# | 0.65 | 0.21 | 0.56 | 0.013 | 0.008 | 0.05 | 0.04 | 0.14 |
65Mn | 0.60-0.70 | 0.10-0.25 | 0.70-1.00 | 0.030 | 0.030 | 0.20 | 0.20 | 0.25 |
70# | 0.69-0.71 | 0.19-0.21 | 0.53-0.58 | 0.010-0.012 | 0.003-0.006 | 0.01-0.05 | 0.02-0.04 | 0.04 |
72A 72B | 0.72 | 0.19 | 0.71 | 0.013 | 0.006 | 0.02 | 0.02 | 0.03 |
80# | 0.80-0.81 | 0.22-0.24 | 0.59-0.76 | 0.008 | 0.004 | 0.04 | ||
82A 82B | 0.82 | 0.24-0.25 | 0.76-0.77 | 0.011-0.014 | 0.004-0.007 | 0.17-0.17 |
Gauge | SWG | BWG | AWG | |||
Inch | mm | Inch | mm | Inch | mm | |
8 | 0.16 | 4.046 | 0.165 | 4.191 | 0.1285 | 3.264 |
9 | 0.144 | 3.658 | 0.148 | 3.759 | 0.1144 | 2.906 |
10 | 0.128 | 3.215 | 0.134 | 3.404 | 0.1019 | 2.588 |
11 | 0.116 | 2.946 | 0.12 | 3.048 | 0.0907 | 2.305 |
12 | 0.104 | 2.642 | 0.109 | 2.769 | 0.0808 | 2.053 |
13 | 0.092 | 2.337 | 0.095 | 2.413 | 0.072 | 1.828 |
14 | 0.08 | 2.032 | 0.083 | 2.108 | 0.0641 | 1.628 |
15 | 0.072 | 1.829 | 0.072 | 1.829 | 0.0571 | 1.45 |
16 | 0.064 | 1.626 | 0.065 | 1.651 | 0.0508 | 1.291 |
17 | 0.056 | 1.422 | 0.058 | 1.473 | 0.0453 | 1.15 |
18 | 0.048 | 1.219 | 0.049 | 1.245 | 0.0403 | 1.024 |
19 | 0.04 | 1.016 | 0.042 | 1.067 | 0.0359 | 0.912 |
20 | 0.036 | 0.914 | 0.035 | 0.839 | 0.032 | 0.812 |
21 | 0.032 | 0.813 | 0.032 | 0.831 | 0.0285 | 0.723 |
22 | 0.028 | 0.711 | 0.028 | 0.711 | 0.02535 | 0.644 |
23 | 0.024 | 0.61 | 0.025 | 0.635 | 0.02256 | 0.573 |
24 | 0.022 | 0.559 | 0.022 | 0.559 | 0.02011 | 0.511 |
25 | 0.02 | 0.508 | 0.02 | 0.508 | 0.01791 | 0.455 |
26 | 0.018 | 0.457 | 0.018 | 0.457 | 0.01594 | 0.405 |
BWG | ||||
Gauge | Diameter(mm) | Tensile Strength(n/mm2) | Zinc Thickness(g/m2) | Weight of unit coil(kg) |
5.5~6# | 5.00 | 300~1500 | 30~100 | 400~600 |
7# | 4.57 | 300~1500 | 30~100 | 400~600 |
8# | 4.19 | 300~1500 | 30~100 | 400~600 |
9# | 3.76 | 300~1500 | 30~100 | 400~600 |
10# | 3.40 | 300~1500 | 30~100 | 400~600 |
11# | 3.05 | 300~1500 | 30~100 | 400~600 |
12# | 2.77 | 300~1500 | 30~80 | 400~600 |
13# | 2.41 | 300~1500 | 30~80 | 400~600 |
14# | 2.11 | 300~1500 | 30~80 | 400~600 |
15# | 1.83 | 300~1500 | 30~80 | 400~600 |
16# | 1.65 | 300~1500 | 30~80 | 25~500 |
17# | 1.47 | 300~1500 | 30~80 | 25~500 |
18# | 1.24 | 300~1500 | ≥12 | 25~500 |
19# | 1.07 | 300~1500 | ≥12 | 25~500 |
20# | 0.89 | 300~1500 | ≥12 | 25~400 |
21# | 0.81 | 300~1500 | ≥12 | 25~400 |
22# | 0.71 | 300~1500 | ≥12 | 25~200 |
23# | 0.64 | 300~1500 | ≥12 | 25~150 |
24# | 0.56 | 300~1500 | ≥12 | 10~150 |
25# | 0.51 | 300~1500 | ≥12 | 10~100 |
26# | 0.46 | 300~450 | ≥12 | 10~50 |
27# | 0.41 | 300~450 | ≥12 | 10~50 |
28# | 0.36 | 300~450 | ≥12 | 10~50 |
29# | 0.33 | 300~450 | ≥12 | 10~50 |
30# | 0.30 | 300~450 | ≥12 | 5~20 |
30.5# | 0.28 | 300~450 | ≥12 | 5~20 |