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　Pig Iron 　Steel Billet 　Bar
　Wire Rod 　DIP 　Urea
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【Wire Rod】


　　Specifications; Φ5.5－Φ16mm hot rolling wire and rebar
　　Grades: Carbon steel and high quality carbon steel, welding steel and concrete steel.
　　The products are widely used in construction, road, machinery processing, and welding fields. Bar and wire rod have been used in many projects, such as one of national key projects - "Magnetic Suspending train", Tianjin Meijiang Locatins, Shanghai Viaduct from North to South, Shenzhen Subway, Dalian Airports etc.
　　In 2001, hot rolling round strip with high quality was honored as "Golden Prize" among Metallurgical Products.

Spec. (mm)
Material
Size (m)
Standard
φ5.5 - φ30 Q235A\Q235B 1t-1.5t/tray GB/T701-97
GB/T1498-94

04 hot rolling steel wire rod dimension, weight and allowance GB/T14981－94
diameter
(mm)
Allowance (mm)
Non-round degree (mm)
Sectional area
(mm2)
theoretical weight
(Kg/m)
Level A precision
Level B precision
Level C precision
Level A precision
Level B precision
Level C precision
5.5
 ±0.40
 ±0.30 ±0.15 ≤0.50
 ≤0.40
 ≤0.24
 23.8
 0.187
6.0
 28.3
 0.222
6.5
 33.2
 0.260
7.0
 38.5
 0.302
7.5
 44.2
 0.347
8.0
 50.3
 0.395
8.5
 56.7
 0.445
9.0
 63.6
 0.499
9.5
 70.9
 0.556
10.0
 78.5
 0.617
10.5
 ±0.45
 ±0.35
 ±0.20
 ≤0.60 ≤0.48
 ≤0.32 86.6 0.680
11.0
 95.0
 0.746
11.5
 104
 0.815
12.0
 113
 0.888
12.5
 123
 0.963
13.0
 133
 1.04
13.5
 143
 1.12
14.0
 154
 1.21
14.5
 165
 1.30
15.0
 ±0.50
 ±0.40
 ±0.25
 ≤0.70
 ≤0.56
 ±0.40 177 1.39
15.5
 189 1.48
16.0
 201
 1.58

low carbon steel hot rolling rod sign and chemical composition GB701－1997
sign
chemical composition ％
deoxidation
C
Si
Mn
P
S
less than
Q195
0.06－0.12
0.25－0.50
0.30
≤0.045
≤0.050
F、B、Z
Q195C
≤ 0.10
0.30－0.60
≤0.040
≤0.040
Q215A
0.09－0.15
0.25－0.55
0.30
0.045
0.040
≤0.050
F、B、Z
Q215B
≤0.045
Q215C
0.10－0.15
0.30－0.60
0.040
≤0.040
Q235A
0.14－0.22
0.30－0.65
0.30
0.045
≤0.050
F、B、Z
Q235B
0.12－0.20
0.30－0.70
≤0.045
Q235C
≤ 0.18
0.30－0.60
≤0.040
≤0.040

quality carbon structural steel non-button cold and heat rolling rod GB699－1999
DIG code
Sign
chemical composition %
C
Si
Mn
Cr
Ni
Cu
less than
U20082
08
0.05-0.11
0.17-0.37
0.35-0.65
0.10
0.30
0.25
U20102
10
0.07-0.13
0.17-0.37
0.35-0.65
0.15
0.30
0.25
U20152
15
0.12-0.18
0.17-0.37
0.35-0.65
0.25
0.30
0.25
U20202
20
0.17-0.23
0.17-0.37
0.35-0.65
0.25
0.30
0.25
U20252
25
0.22-0.29
0.17-0.37
0.50-0.80
0.25
0.30
0.25
U20302
30
0.27-0.34
0.17-0.37
0.50-0.80
0.25
0.30
0.25
U20352
35
0.32-0.39
0.17-0.37
0.50-0.80
0.25
0.30
0.25
U20402
40
0.37-0.44
0.17-0.37
0.50-0.80
0.25
0.30
0.25
U20452
45
0.42-0.50
0.17-0.37
0.50-0.80
0.25
0.30
0.25
U20502
50
0.47-0.55
0.17-0.37
0.50-0.80
0.25
0.30
0.25
U20552
55
0.52-0.60
0.17-0.37
0.50-0.80
0.25
0.30
0.25
U20602
60
0.57-0.65
0.17-0.37
0.50-0.80
0.25
0.30
0.25
U20652
65
0.62-0.70
0.17-0.37
0.50-0.80
0.25
0.30
0.25
U20702
70
0.67-0.75
0.17-0.37
0.50-0.80
0.25
0.30
0.25
U20752
75
0.72-0.80
0.17-0.37
0.50-0.80
0.25
0.30
0.25
U20802
80
0.77-0.85
0.17-0.37
0.50-0.80
0.25
0.30
0.25
U20852
85
0.82-0.90
0.17-0.37
0.50-0.80
0.25
0.30
0.25
U20152
15Mn
0.12-0.18
0.17-0.37
0.70-1.00
0.25
0.30
0.25
U20202
20Mn
0.17-0.23
0.17-0.37
0.70-1.00
0.25
0.30
0.25
U20252
25Mn
0.22-0.29
0.17-0.37
0.70-1.00
0.25
0.30
0.25
U20302
30Mn
0.27-0.34
0.17-0.37
0.70-1.00
0.25
0.30
0.25
U20352
35Mn
0.32-0.39
0.17-0.37
0.70-1.00
0.25
0.30
0.25
U20402
40Mn
0.37-0.44
0.17-0.37
0.70-1.00
0.25
0.30
0.25
U20452
45Mn
0.42-0.50
0.17-0.37
0.70-1.00
0.25
0.30
0.25
U20502
50Mn
0.48-0.56
0.17-0.37
0.70-1.00
0.25
0.30
0.25
U20552
55Mn
0.52-0.60
0.17-0.37
0.70-1.00
0.25
0.30
0.25
U20602
60Mn
0.57-0.65
0.17-0.37
0.70-1.00
0.25
0.30
0.25
U20652
65Mn
0.62-0.70
0.17-0.37
0.90-1.20
0.25
0.30
0.25
U20702
70Mn
0.67-0.75
0.17-0.37
0.90-1.20
0.25
0.30
0.25
Listed signs are quality steel, high quality steel have a letter "A" behind it (the last number of unified DIG code is "3"); super quality steel have a letter "E" behind it (the last number of unified DIG code is "6"); rimmed steel have a letter "F" behind it (the last number of unified DIG code is "0"); semi-steel have a letter "B" behind it (the last number of unified DIG code is "1").

Group
P
S
less than %
quality steel
0.035
0.035
quality steel
0.030
0.030
super quality steel
0.025
0.0250
The chemical composition allowance should conform to the regulations of list 2

Usage: steel wire and steel thread