Product Details and Application

  • Detail :  Cold drawn steel bar from Cold Drawn Wire Rod after significantly cutting into certain length and straightness. And products that require precision processability and elegant surface.
  • Application : In the automotive and machine parts

Product characteristics and uses

  • Product : CD Bar is the product withdrawal after the cold Wire Rod which is hot rolled, and was applied to straightness and cut into a predetermined length 미It is a product workability of high precision and a beautiful surface is required.
  • Use : Automotive and Mechanical Parts and Materials

Manufacturing Process (Page 25) 제조(en)Dimensions range  - Product Dimensions Classification

Shape Standard
Length
Steel
Round
4 ~ 100mm
2 ~ 6m
Carbon Steels/Stainless steel
Hexagon
30 ~ 60mm
2 ~ 6m
Square
22 ~ 60mm
2 ~ 6m

- Classification by wire diameter epithet car

Allowable tolerance

Grade 8(H8)
Grade 9(H9)
Grade 10(H10) Grade 11(H11)
Diameter
Than 3 ~ Less than 6
- 0.018
- 0.03
- 0.04
- 0.075
Than 6 ~ Less than 10
- 0.022
- 0.036
- 0.05
- 0.09
Than 10 ~ Less than 18
- 0.027
- 0.043
- 0.07
- 0.11
Than 18 ~ Less than 30
- 0.033
- 0.52
- 0.084
- 0.13
Than 30 ~ Less than 50
- 0.039
- 0.062
- 0.1
- 0.16
Than 50 ~ Less than 80
- 0.046
- 0.074
- 0.12
- 0.19
Than 80 ~ Less than 120
- 0.054
- 0.087
- 0.14
- 0.22
Shape of BAR
○ □

Quality characteristics by various - Classification by chemical composition

Standard
Chemical composition
KS JIS SAE C Si Mn P S Ni Cr
Carbon Steels
SM10C
S10C
1010
0.08 ~ 0.13
0.15 ~ 0.35
0.03 ~ 0.60
0.030 max
0.035 max
-
-
SM15C
S15C
1015
0.13 ~ 0.18
0.15 ~ 0.35
0.03 ~ 0.60
0.030 max
0.035 max
-
-
SM18C
S18C
1018
0.15 ~ 0.20
0.15 ~ 0.35
0.03 ~ 0.60
0.030 max
0.035 max
-
-
SM20C
S20C
1020
0.18 ~ 0.23
0.15 ~ 0.35
0.03 ~ 0.60
0.030 max
0.035 max
-
-
SM22C
S22C
1022
0.20 ~ 0.25
0.15 ~ 0.35
0.03 ~ 0.60
0.030 max
0.035 max
-
-
SM25C
S25C
1025
0.22 ~ 0.28
0.15 ~ 0.35
0.03 ~ 0.60
0.030 max
0.035 max
-
-
SM35C
S35C
1035
0.35 ~ 0.38
0.15 ~ 0.35
0.06 ~ 0.90
0.030 max
0.035 max
-
-
SM38C
S38C
1038
0.35 ~ 0.41
0.15 ~ 0.35
0.06 ~ 0.90
0.030 max
0.035 max
-
-
SM40C
S40C
1040
0.37 ~ 0.43
0.15 ~ 0.35
0.06 ~ 0.90
0.030 max
0.035 max
-
-
SM45C
S45C
1045
0.42 ~ 0.48
0.15 ~ 0.35
0.06 ~ 0.90
0.030 max
0.035 max
-
-
SM48C
S48C
1049
0.45 ~ 0.51
0.15 ~ 0.35
0.06 ~ 0.90
0.030 max
0.035 max
-
-
SM50C
S50C
1050
0.48 ~ 0.53
0.15 ~ 0.35
0.06 ~ 0.90
0.030 max
0.035 max
-
-
SM55C
S55C
1055
0.52 ~ 0.58
0.15 ~ 0.35
0.06 ~ 0.90
0.030 max
0.035 max
-
-
SM58C
S58C
1060
0.55 ~ 0.65
0.15 ~ 0.35
0.06 ~ 0.90
0.030 max
0.035 max
-
-
Stainless
STS304
SUS304
-
0.08 max
1.00 max
2.00 max
0.045 max
0.030 max
8.0 ~ 10.5
8.0 ~ 20.0
STS316
SUS316
-
0.08 max
1.00 max
2.00 max
0.045 max
0.030 max
10.0 ~ 14.0
18.0 ~ 20.0
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