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  • HOME > Products > Steel & Alloy Steel > Cold Rolled Steel Strip (CR)
  • Cold Rolled Steel Strip (CR)

Cold Rolled Steel Strip (CR)

  • Cold Rolled Steel Strip01
  • Cold Rolled Steel Strip02
Carbon Steel
Steel Types Chemical Composition (%) Typical Application
JIS Standard C Si Mn P S
S30CM 0.27 ~ 0.33 0.15 ~ 0.35 0.60 ~ 0.90 0.030 0.035 Office machinery parts
S35CM 0.32 ~ 0.38 0.15 ~ 0.30 0.60 ~ 0.90 1.030 1.035 Office machinery parts
S45CM 0.42 ~ 0.48 0.15 ~ 0.35 0.60 ~ 0.90 2.030 2.035 Cluth parts, Chain parts
S50CM 0.47 ~ 0.53 0.15 ~ 0.35 0.60 ~ 0.90 3.030 3.035 Components and part of
cameras, etc.
S55CM 0.52 ~ 0.58 0.15 ~ 0.35 0.60 ~ 0.90 4.030 4.035 Can openers,
Handsaws for Wood working
S60CM 0.55 ~ 0.65 0.15 ~ 0.30 0.60 ~ 0.90 5.030 5.035 Blinds
S65CM 0.60 ~ 0.70 0.15 ~ 0.30 0.60 ~ 0.90 6.030 6.035 Safety Shoes Parts,
Clutch Parts
S70CM 0.65 ~ 0.75 0.15 ~ 0.30 0.60 ~ 0.90 7.030 7.035 Washers,
Handsaws for Wood working
S75CM 0.70 ~ 0.80 0.15 ~ 0.30 0.60 ~ 0.90 8.030 8.035 Clutch Parts, Springs
S80CM 0.80 ~ 0.90 0.15 ~ 0.30 0.70 ~ 1.00 9.030 9.035 Clutch Parts, Springs

* Also Available with ASTM, SAE, BS, DIN

Carbon Tool Steel
Steel Types Chemical Composition (%) Typical Application
JIS Standard C Si Mn P S
SK3M 1.00 ~ 1.10 0.035 0.050 0.030 0.030 Hacksaws
SK4M 0.90 ~ 1.00 0.035 0.050 0.030 0.030 Spiral Spring
SK5M 0.80 ~ 0.90 0.035 0.050 0.030 0.030 Knitting Needles, Office Machinery
SK6M 0.70 ~ 0.80 0.035 0.050 0.030 0.030 Horns
SK7M 0.60 ~ 0.70 0.035 0.050 0.030 0.030 Horns, Shoe Soles

* Also Available with ASTM, SAE, BS, DIN

Tolerance on Thickness & Width
Thickness
(mm)
Tolerance on Thickness Tolerance on Thickness
Standard Standard
Width
160
Below
Width
160
- 250
Width
250
- 400
Width
400
Above
Width
160
Below
Width
160
Above
Width
250
Above
Width
400
Above
0.10 ~ 0.16 ±0.015 ±0.020 ±0.030 ±0.030 ±0.1 ±0.15 ±0.15 ±0.15
0.16 ~ 0.25 ±0.020 ±0.025 ±0.035 ±0.035 ±0.15 ±0.20 ±0.25 ±0.30
0.25 ~ 0.40 ±0.025 ±0.030 ±0.040 ±0.045
0.40 ~ 0.60 ±0.035 ±0.040 ±0.045 ±0.045
0.60 ~ 0.80 ±0.040 ±0.045 ±0.050 ±0.050 ±0.20 ±0.25 ±0.25 ±0.30
0.80 ~ 1.00 ±0.040 ±0.050 ±0.050 ±0.060
1.00 ~ 1.25 ±0.050 ±0.050 ±0.060 ±0.060 ±0.20 ±0.30 ±0.30 ±0.40
1.25 ~ 1.60 ±0.050 ±0.060 ±0.080 ±0.080
1.60 ~ 2.00 ±0.060 ±0.070 ±0.080 ±0.090 ±0.25 ±0.35 ±0.40 ±0.50
2.00 ~ 2.50 ±0.070 ±0.080 ±0.090 ±0.100
2.50 ~ 3.15 ±0.080 ±0.090 ±0.100 ±0.110 ±0.30 ±0.40 ±0.45 ±0.50
3.15 Above ±0.090 ±0.100 ±0.100 ±0.110