Carbon Steel & Alloy Steel Wire-Rods
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IS G 3505 : Low Carbon Steel Wire Rods |
Symbol
of Class |
Chemical Composition % |
C |
Mn |
P |
S |
MSWR 6 |
0.08 max. |
0.60 max. |
0.045 max. |
0.045 max. |
MSWR 8 |
0.10 max. |
0.60 max. |
0.045 max. |
0.045 max. |
MSWR 10 |
0.08∼0.13 |
0.30∼0.60 |
0.045 max. |
0.045 max. |
MSWR 12 |
0.10∼0.15 |
0.30∼0.60 |
0.045 max. |
0.045 max. |
MSWR 15 |
0.13∼0.18 |
0.30∼0.60 |
0.045 max. |
0.045 max. |
MSWR 17 |
0.15∼0.20 |
0.30∼0.60 |
0.045 max. |
0.045 max. |
MSWR 20 |
0.18∼0.23 |
0.30∼0.60 |
0.045 max. |
0.045 max. |
MSWR 22 |
0.20∼0.25 |
0.30∼0.60 |
0.045 max. |
0.045 max.
|
JIS G 3506 : High Carbon Steel Wire Rods |
Symbol
of Class |
Chemical Composition % |
C |
Si |
Mn |
P |
S |
HSWR 27 |
0.24∼0.31 |
0.15∼0.35 |
0.30∼0.60 |
0.040 max. |
0.040 max. |
HSWR 32 |
0.29∼0.36 |
0.15∼0.35 |
0.30∼0.60 |
0.040 max. |
0.040 max. |
HSWR 37 |
0.34∼0.41 |
0.15∼0.35 |
0.30∼0.60 |
0.040 max. |
0.040 max. |
HSWR 42A |
0.39∼0.46 |
0.15∼0.35 |
0.30∼0.60 |
0.040 max. |
0.040 max. |
HSWR 42B |
0.39∼0.46 |
0.15∼0.35 |
0.60∼0.90 |
0.040 max. |
0.040 max. |
HSWR 47A |
0.44∼0.51 |
0.15∼0.35 |
0.30∼0.60 |
0.040 max. |
0.040 max. |
HSWR 47B |
0.44∼0.51 |
0.15∼0.35 |
0.60∼0.90 |
0.040 max. |
0.040 max. |
HSWR 52A |
0.49∼0.56 |
0.15∼0.35 |
0.30∼0.60 |
0.040 max. |
0.040 max. |
HSWR 52B |
0.49∼0.56 |
0.15∼0.35 |
0.60∼0.90 |
0.040 max. |
0.040 max. |
HSWR 57A |
0.54∼0.61 |
0.15∼0.35 |
0.30∼0.60 |
0.040 max. |
0.040 max. |
HSWR 57B |
0.54∼0.61 |
0.15∼0.35 |
0.60∼0.90 |
0.040 max. |
0.040 max. |
HSWR 62A |
0.59∼0.66 |
0.15∼0.35 |
0.30∼0.60 |
0.040 max. |
0.040 max. |
HSWR 62B |
0.59∼0.66 |
0.15∼0.35 |
0.60∼0.90 |
0.040 max. |
0.040 max. |
HSWR 67A |
0.64∼0.71 |
0.15∼0.35 |
0.30∼0.60 |
0.030 max. |
0.030 max. |
HSWR 67B |
0.64∼0.71 |
0.15∼0.35 |
0.60∼0.90 |
0.030 max. |
0.030 max. |
HSWR 72A |
0.69∼0.76 |
0.15∼0.35 |
0.30∼0.60 |
0.030 max. |
0.030 max. |
HSWR 72B |
0.69∼0.76 |
0.15∼0.35 |
0.60∼0.90 |
0.030 max. |
0.030 max. |
HSWR 77A |
0.74∼0.81 |
0.15∼0.35 |
0.30∼0.60 |
0.030 max. |
0.030 max. |
HSWR 77B |
0.74∼0.81 |
0.15∼0.35 |
0.60∼0.90 |
0.030 max. |
0.030 max. |
HSWR 82A |
0.79∼0.86 |
0.15∼0.35 |
0.30∼0.60 |
0.030 max. |
0.030 max. |
HSWR 82B |
0.79∼0.86 |
0.15∼0.35 |
0.60∼0.90 |
0.030 max. |
0.030 max. |
JIS G 3507 : Carbon Steel Wire Rods for Cold Heading and Cold Forging |
Symbol
of Class |
Chemical Composition % |
C |
Si |
Mn |
P Max. |
S Max. |
Al min. |
Remark |
SWRCH 6R |
0.08 max. |
- |
0.60 max. |
0.040 |
0.040 |
- |
Rimmed
Steels |
SWRCH 8R |
0.10 max. |
- |
0.60 max. |
0.040 |
0.040 |
- |
SWRCH 10R |
0.08∼0.13 |
- |
0.30∼0.60 |
0.040 |
0.040 |
- |
SWRCH 12R |
0.10∼0.15 |
- |
0.30∼0.60 |
0.040 |
0.040 |
- |
SWRCH 15R |
0.13∼0.18 |
- |
0.30∼0.60 |
0.040 |
0.040 |
- |
SWRCH 17R |
0.15∼0.20 |
- |
0.30∼0.60 |
0.040 |
0.040 |
- |
SWRCH 6A |
0.08 max |
0.10 max. |
0.60 max. |
0.030 |
0.035 |
0.03 |
Aluminum
Killed
Steel |
SWRCH 8A |
0.10 max |
0.10 max. |
0.60 max. |
0.030 |
0.035 |
0.02 |
SWRCH 10A |
0.08∼0.13 |
0.10 max. |
0.30∼0.60 |
0.030 |
0.035 |
0.02 |
SWRCH 12A |
0.10∼0.15 |
0.10 max. |
0.30∼0.60 |
0.030 |
0.035 |
0.02 |
SWRCH 15A |
0.13∼0.18 |
0.10 max. |
0.30∼0.60 |
0.030 |
0.035 |
0.02 |
SWRCH 16A |
0.13∼0.18 |
0.10 max. |
0.60∼0.90 |
0.030 |
0.035 |
0.02 |
SWRCH 18A |
0.15∼0.20 |
0.10 max. |
0.60∼0.90 |
0.030 |
0.035 |
0.02 |
SWRCH 19A |
0.15∼0.20 |
0.10 max. |
0.70∼1.00 |
0.030 |
0.035 |
0.02 |
SWRCH 20A |
0.18∼0.23 |
0.10 max. |
0.30∼0.60 |
0.030 |
0.035 |
0.02 |
SWRCH 22A |
0.18∼0.23 |
0.10 max. |
0.70∼1.00 |
0.030 |
0.035 |
0.02 |
SWRCH 10K |
0.18∼0.13 |
0.10∼0.35 |
0.30∼0.60 |
0.030 |
0.035 |
- |
Killed
Steel |
SWRCH 12K |
0.10∼0.15 |
0.10∼0.35 |
0.30∼0.60 |
0.030 |
0.035 |
- |
SWRCH 15K |
0.13∼0.18 |
0.10∼0.35 |
0.30∼0.60 |
0.030 |
0.035 |
- |
SWRCH 16K |
0.13∼0.18 |
0.10∼0.35 |
0.30∼0.90 |
0.030 |
0.035 |
- |
SWRCH 17K |
0.15∼0.20 |
0.10∼0.35 |
0.30∼0.60 |
0.030 |
0.035 |
- |
SWRCH 18K |
0.15∼0.20 |
0.10∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
- |
SWRCH 20K |
0.18∼0.23 |
0.10∼0.35 |
0.30∼0.60 |
0.030 |
0.035 |
- |
SWRCH 22K |
0.18∼0.23 |
0.10∼0.35 |
0.70∼1.00 |
0.030 |
0.035 |
- |
SWRCH 24K |
0.19∼0.25 |
0.10∼0.35 |
1.30∼1.65 |
0.030 |
0.035 |
- |
SWRCH 25K |
0.22∼0.28 |
0.10∼0.35 |
0.30∼0.65 |
0.030 |
0.035 |
- |
SWRCH 27K |
0.22∼0.29 |
0.10∼0.35 |
1.20∼1.50 |
0.030 |
0.035 |
- |
SWRCH 30K |
0.27∼0.33 |
0.10∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
- |
SWRCH 33K |
0.30∼0.36 |
0.10∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
- |
SWRCH 35K |
0.32∼0.38 |
0.10∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
- |
SWRCH 38K |
0.35∼0.41 |
0.10∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
- |
SWRCH 40K |
0.37∼0.43 |
0.10∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
- |
SWRCH 41K |
0.36∼0.44 |
0.10∼0.35 |
1.35∼1.65 |
0.030 |
0.035 |
- |
SWRCH 43K |
0.40∼0.46 |
0.10∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
- |
SWRCH 45K |
0.42∼0.48 |
0.10∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
- |
SWRCH 48K |
0.45∼0.51 |
0.10∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
- |
SWRCH 50K |
0.47∼0.53 |
0.10∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
- |
JIS G 4051 : Carbon Steels for Machine Structural Us |
Symbol
of Class |
Chemical Composition % |
C |
Si |
Mn |
P Max. |
S Max. |
S 10C |
0.08∼0.13 |
0.15∼0.35 |
0.30∼0.60 |
0.030 |
0.035 |
S 12C |
0.10∼0.15 |
0.15∼0.35 |
0.30∼0.60 |
0.030 |
0.035 |
S 15C |
0.13∼0.18 |
0.15∼0.35 |
0.30∼0.60 |
0.030 |
0.035 |
S 17C |
0.15∼0.20 |
0.15∼0.35 |
0.30∼0.60 |
0.030 |
0.035 |
S 20C |
0.18∼0.23 |
0.15∼0.35 |
0.30∼0.60 |
0.030 |
0.035 |
S 22C |
0.20∼0.25 |
0.15∼0.35 |
0.30∼0.60 |
0.030 |
0.035 |
S 25C |
0.22∼0.28 |
0.15∼0.35 |
0.30∼0.60 |
0.030 |
0.035 |
S 28C |
0.25∼0.31 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
S 30C |
0.27∼0.33 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
S 33C |
0.30∼0.36 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
S 35C |
0.32∼0.38 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
S 38C |
0.35∼0.41 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
S 40C |
0.37∼0.43 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
S 43C |
0.40∼0.46 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
S 45C |
0.42∼0.48 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
S 48C |
0.45∼0.51 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
S 50C |
0.47∼0.53 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
S 53C |
0.50∼0.56 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
S 55C |
0.52∼0.58 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
S 58C |
0.55∼0.61 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.035 |
S 9 CK |
0.07∼0.12 |
0.15∼0.35 |
0.30∼0.90 |
0.025 |
0.25 |
S 15CK |
0.13∼0.18 |
0.15∼0.35 |
0.30∼0.90 |
0.025 |
0.25 |
S 20CK |
0.18∼0.23 |
0.15∼0.35 |
0.30∼0.90 |
0.025 |
0.25 |
Note : S 9CK, S 15CK and S 20CK shall not contain as impurities, an excess of 0.25% Cu,
0.20% NI, 0.20% Cr, 0.30% Ni + Cr, and for other notations 0.30% Cu, 0.20% Ni,
0.20% Cr and 0.35% Ni +Cr. |
JIS G 4103 : Nickel Chromium Molybdenum Steels |
Symbol
of Class |
Chemical Composition % |
C |
Si |
Mn |
P Max. |
S Max. |
Ni |
Cr |
Mo |
SNCM 220 |
0.17∼0.23 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.030 |
0.40∼0.70 |
0.40∼0.65 |
0.15∼0.35 |
SNCM 240 |
0.38∼0.43 |
0.15∼0.35 |
0.70∼1.00 |
0.030 |
0.030 |
0.40∼2.70 |
0.40∼0.65 |
0.15∼0.35 |
SNCM 415 |
0.12∼0.18 |
0.15∼0.35 |
0.40∼0.70 |
0.030 |
0.030 |
1.60∼2.00 |
0.40∼0.65 |
0.15∼0.35 |
SNCM 420 |
0.17∼0.23 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.030 |
1.60∼2.00 |
0.40∼0.65 |
0.15∼0.35 |
SNCM 431 |
0.27∼0.35 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.030 |
1.60∼2.00 |
0.60∼1.00 |
0.15∼0.35 |
SNCM 439 |
0.36∼0.43 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.030 |
1.60∼2.00 |
0.60∼1.00 |
0.15∼0.35 |
SNCM 447 |
0.44∼0.50 |
0.15∼0.35 |
0.60∼0.90 |
0.030 |
0.030 |
1.60∼2.00 |
0.60∼1.00 |
0.15∼0.35 |
SNCM 616 |
0.13∼0.20 |
0.15∼0.35 |
0.80∼1.20 |
0.030 |
0.030 |
2.80∼3.20 |
1.40∼1.80 |
0.15∼0.35 |
SNCM 625 |
0.20∼0.30 |
0.15∼0.35 |
0.35∼0.60 |
0.030 |
0.030 |
3.00∼3.50 |
1.00∼1.50 |
0.15∼0.35 |
SNCM 630 |
0.25∼0.35 |
0.15∼0.35 |
0.35∼0.60 |
0.030 |
0.030 |
2.50∼3.50 |
2.50∼3.50 |
0.15∼0.35 |
SNCM 815 |
0.12∼0.18 |
0.15∼0.35 |
0.30∼0.60 |
0.030 |
0.030 |
4.00∼4.50 |
0.70∼1.00 |
0.15∼0.35 |
Note : As impurities, Cu shall not exceed 0.30% for all grades. |
JIS G 4104 : Chromium Steels |
Symbol
of Class |
Chemical Composition % |
C |
Si |
Mn |
P Max. |
S Max. |
Cr |
SCr 415 |
0.13~0.18 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
0.90~1.20 |
SCr 420 |
0.18~0.23 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
0.90~1.20 |
SCr 430 |
0.28~0.33 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
0.90~1.20 |
SCr 435 |
0.33~0.38 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
0.90~1.20 |
SCr 440 |
0.38~0.43 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
0.90~1.20 |
SCr 445 |
0.43~0.48 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
0.90~1.20 |
Note : As impurities, Ni and Cu shall not exceed 0.25% and 0.30% respectively for all grades.
|
JIS G 4105 : Chromium Molybdenum Steels |
Symbol
of Class |
Chemical Composition % |
C |
Si |
Mn |
P Max. |
S Max. |
Cr |
Mo |
SCM 415 |
0.13∼0.18 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
0.90∼1.20 |
0.15∼0.30 |
SCM 418 |
0.16∼0.21 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
0.90∼1.20 |
0.15∼0.30 |
SCM 420 |
0.18∼0.23 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
0.90∼1.20 |
0.15∼0.30 |
SCM 421 |
0.17∼0.23 |
0.15∼0.35 |
0.70∼1.00 |
0.030 |
0.030 |
0.90∼1.20 |
0.15∼0.30 |
SCM 430 |
0.28∼0.33 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
1.00∼1.50 |
0.15∼0.30 |
SCM 432 |
0.27∼0.37 |
0.15∼0.35 |
0.30∼0.60 |
0.030 |
0.030 |
0.90∼1.20 |
0.15∼0.30 |
SCM 435 |
0.33∼0.38 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
0.90∼1.20 |
0.15∼0.30 |
SCM 440 |
0.38∼0.43 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
0.90∼1.20 |
0.15∼0.30 |
SCM 445 |
0.43∼0.48 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
0.90∼1.20 |
0.15∼0.30 |
SCM 822 |
0.20∼0.25 |
0.15∼0.35 |
0.60∼0.85 |
0.030 |
0.030 |
0.90∼1.20 |
0.15∼0.30 |
Note : As impurities, Ni and Cu shall not exceed 0.25% and 0.30% respectively for all grades.
|
JIS G 4106 : Manganese Steels and
Manganese Chromium Steels for Machine Structural Use |
Symbol
of Class |
Chemical Composition % |
C |
Si |
Mn |
P Max. |
S Max. |
Cr |
SMn 420 |
0.17∼0.23 |
0.15∼0.35 |
1.20∼1.50 |
0.030 |
0.030 |
- |
SMn 433 |
0.30∼0.36 |
0.15∼0.35 |
1.20∼1.50 |
0.030 |
0.030 |
- |
SMn 438 |
0.35∼0.41 |
0.15∼0.35 |
1.35∼1.65 |
0.030 |
0.030 |
- |
SMn 443 |
0.40∼0.46 |
0.15∼0.35 |
1.35∼1.65 |
0.030 |
0.030 |
- |
SMn C 420 |
0.17∼0.23 |
0.15∼0.35 |
1.20∼1.50 |
0.030 |
0.030 |
0.35∼0.70 |
SMn C 443 |
0.40∼0.46 |
0.15∼0.35 |
1.35∼1.60 |
0.030 |
0.030 |
0.35∼0.70 |
Note : As impurities, Ni 0.25 Cu 0.30% shall not be exceeded for each class.
Neither Cr 0.35% shall not be exceeded for SMn 433, SMn 438, SMn 443 and SMn 420. |
JIS G 4801 : Spring Steels |
Symbol
of Class |
Chemical Composition % |
C |
Si |
Mn |
P Max. |
S Max. |
Cr |
V |
B |
SUP 3 |
0.75∼0.90 |
0.15∼0.35 |
0.30∼0.60 |
0.035 |
0.035 |
- |
- |
- |
SUP 6 |
0.56∼0.64 |
1.50∼1.80 |
0.70∼1.00 |
0.035 |
0.035 |
- |
- |
- |
SUP 7 |
0.56∼0.64 |
1.80∼2.20 |
0.70∼1.00 |
0.035 |
0.035 |
- |
- |
- |
SUP 9 |
0.52∼0.60 |
0.15∼0.35 |
0.65∼0.95 |
0.035 |
0.035 |
0.65∼0.95 |
- |
- |
SUP 9A |
0.56∼0.64 |
0.15∼0.35 |
0.70∼1.00 |
0.035 |
0.035 |
0.70∼1.00 |
- |
- |
SUP 10 |
0.47∼0.55 |
0.15∼0.35 |
0.65∼0.95 |
0.035 |
0.035 |
0.80∼1.10 |
0.15∼0.25 |
- |
SUP 11A |
0.55∼0.65 |
0.15∼0.35 |
0.70∼1.00 |
0.035 |
0.035 |
0.70∼1.00 |
- |
0.0005 min. |
SUP 12 |
0.51∼0.59 |
1.20∼1.60 |
0.60∼0.90 |
0.035 |
0.035 |
0.60∼0.90 |
- |
- |
SUP 13 |
0.56∼0.64 |
0.15∼0.35 |
0.70∼1.00 |
0.035 |
0.035 |
0.70∼0.90 |
- |
- |
Note : Throughout classes, the value of Cu as impurities shall not exceed 0.30% |
JIS G 4804 : Free Cutting Carbon Steels |
Symbol
of Class |
Chemical Composition % |
C |
Mn |
P |
S |
Pb |
SUM 11 |
0.08∼0.13 |
0.30∼0.60 |
0.040 max. |
0.08∼0.13 |
- |
SUM 12 |
0.08∼0.13 |
0.60∼0.90 |
0.040 max. |
0.08∼0.13 |
- |
SUM 21 |
0.13 max. |
0.70∼0.10 |
0.07∼0.12 |
0.16∼0.23 |
- |
SUM 22 |
0.13 max. |
0.70∼1.00 |
0.07∼0.12 |
0.24∼0.33 |
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