WIRE TYPE , SYMBOL & APPLICATION
WIRE TYPE |
CROSS SECTION |
SYMBOL |
APPLICABLE WIRE DIAMETER |
APPLICATIONS |
Ordinary Low Carbon Wire |
Round |
SWM-B |
0.10 & over up to and inclusive 18mm |
General Purpose |
SWM-F |
0.10 & over up to and inclusive 18mm |
For Post Coating & Welding |
||
Low Carbon Steel Wire for Nail |
SWM-N |
1.5 & over up to and inclusive 6.50 mm |
For Nail Manufacturing |
|
Annealed Low Carbon Steel Wire |
SWM-A |
0.10 & over up to and inclusive 18mm |
For General Purpose |
CHEMICAL COMPOSITION -Maximum Values in % by Mass
ELEMENT |
C |
Si |
Mn |
P |
S |
N |
C Eq |
Values in % by Mass |
0.22 |
0.6 |
1.6 |
0.05 |
0.05 |
0.012 |
0.5 |
DIAMETER
WIRE DIAMETER (mm) |
TOLERANCE (mm) |
Over 1.50, upto including 2.00 |
+/- 0.03 |
Over 2.00, upto including 2.90 |
+/- 0.04 |
Over 2.90, upto including 3.20 |
+/- 0.04 |
Over 3.20, upto including 4.00 |
+/- 0.05 |
Over 4.00 , upto including 6.00 |
+/- 0.05 |
Over 6.00 |
+/- 0.06 |
MECHANICAL PROPERTIES
WIRE TYPE |
SWM-B |
SWM-F |
SWM-N |
SWM-A |
|
KIND OF QUALITY CHARACTERISTICS |
Tensile Strength |
Tensile Strength |
Tensile Strength |
Tensile Strength |
Torsion |
ACTUAL OR NOMINAL WIRE DIAMETER (mm) |
N/mm2 |
N/mm2 |
N/mm2 |
N/mm2 |
Number of turns |
0.10 to 1.30 |
NA |
NA |
NA |
NA |
NA |
1.40 to 1.80 |
NA |
NA |
740 - 1270 |
NA |
NA |
1.80 |
590 - 1270 |
320 - 1270 |
260 - 590 |
61 |
|
2.00 |
55 |
||||
2.30 |
48 |
||||
2.60 |
540 - 1130 |
690 - 1130 |
42 |
||
2.90 |
36 |
||||
3.20 |
33 |
||||
3.50 |
440 -1030 |
590 - 1030 |
30 |
||
4.00 |
27 |
||||
4.50 |
540 - 930 |
24 |
|||
5.00 |
390 - 930 |
22 |
|||
5.50 |
20 |
||||
6.00 |
490 - 880 |
17 |
|||
6.50 |
14 |
||||
7.00 |
|
||||
7.50 |
|
11 |
|||
8.00 to 16.00 |
320 - 880 |
|
|
||
16.00 to 18.00 |
|