Cold-Drawn-Carbon-Spring-Steel-Wire
Nanjing Suntay Steel Co., Ltd.- Technique：Drawn Wire
- Application：Rope, Packaging, Netting, Manufacturing, Fencing, Construction
- Surface：Smooth
- Certification：ISO
- Alloy or Not：Non-alloy
- Standard：BS, JIS, GB, ASTM, DIN, AISI
Base Info
- Origin：Jiangsu, China
- Trademark：suntay
- Specification：1.0-10.0mm
- Transport Package：Packed in Coil or on Z2
- Model NO.：ST-210316
- HS Code：72172
- Production Capacity：50000tons,Year
Description
Steel Grade
C
Mn
Si
P
S
Cr
Ni
B
Cu
Mo
V
55
0.52-0.60
0.50-0.80
0.17-0.37
0.035max
0.035max
0.25 max
0.30 max
/
0.25 max
/
/
65
0.62-0.70
0.50-0.80
0.17-0.37
0.035max
0.035max
0.25 max
0.25 max
/
0.25 max
/
/
70
0.62-0.75
0.50-0.80
0.17-0.37
0.035max
0.035max
0.25 max
0.25 max
/
0.25 max
/
/
75
0.72-0.80
0.50-0.80
0.17-0.37
0.035max
0.035max
0.25 max
0.30 max
/
0.25 max
/
/
85
0.95-1.04
0.40 max
0.35 max
0.025max
0.025max
/
/
/
/
/
/
65Mn
0.62-0.70
0.90-1.20
0.17-0.37
0.035max
0.035max
0.25 max
0.25 max
/
0.25 max
/
/
60Si2Mn
0.56-0.64
0.70-1.00
1.50-2.00
0.035max
0.035max
0.35 max
0.25 max
/
0.25 max
/
/
50CrVA
0.46-0.54
0.50-0.80
0.17-0.37
0.025max
0.025max
0.80-1.10
0.35 max
/
0.25 max
/
0.10-0.20
55SiCrA
0.51-0.59
0.50-0.80
1.20-1.60
0.025max
0.025max
0.50-0.80
0.35 max
/
0.25 max
/
/
60Si2CrA
0.56-0.64
0.40-0.70
1.40-1.80
0.025max
0.025max
0.70-1.00
0.35 max
/
0.25 max
/
/
Mechanical Properties(Quenched and Tempered Condition)(T=20°C if not differently stated)
Steel Grade
Tensile Strength Rm (Mpa)
Yield Strength Rp0.2 (Mpa)
Elongation A5 (%)
Area Reduction Ratio C (%)
65
980Min.
785 min
9 min
35 min
70
1030 min
835 min
8 min
30 min
85
1130 min
980 min
6 min
30 min
65Mn
980 min
785 min
8 min
30 min
60Si2Mn
1275 min
1180 min
5 min
25 min
50CrVA
1275 min
1130 min
10 min
40 min
55SiCrA
1450-1750
1300 min
6 min
25 min
60Si2CrA
1765 min
1570 min
6 min
20 min
Heat Treatment
Steel Grade
Quenching Temperature (°C)
Media
Tempering Temperature (°C)
65
840
oil
500
70
830
oil
480
85
820
oil
480
65Mn
830
oil
540
60Si2Mn
870
oil
480
50CrVA
850
oil
500
55SiCrA
860
oil
450
60Si2CrA
870
oil
420