SPECIFICATION : AISI / SAE
Grade No Chemical Composition (%)
C Mn P S
1030 0.28-0.34 0.60-0.90 0.040 Max 0.050 Max
1038 0.35-0.42
1042 0.40-0.47
1045 0.43-0.50
1050 0.48-0.55
1055 0.50-0.60
1065 0.60-0.70
1070 0.65-0.75
1074 0.70-0.80
SPECIFICATION : JIS G 3506
Grade No Chemical Composition (%)
C Si Mn P S
SWRH 42A 0.39-0.46 0.15-0.35 0.30-0.60 0.030 Max 0.030 Max
SWRH 47A 0.44-0.51
SWRH 52A 0.49-0.56
SWRH 57A 0.54-0.61
SWRH 62A 0.59-0.66
SWRH 67A 0.64-0.71
SWRH 72A 0.69-0.76
SPECIFICATION : JIS G 3506
Grade No Chemical Composition (%)
C Si Mn P S
SWRH 42B 0.39-0.46 0.15-0.35 0.60-0.90 0.030 Max 0.030 Max
SWRH 47B 0.44-0.51
SWRH 52B 0.49-0.56
SWRH 57B 0.54-0.61
SWRH 62B 0.59-0.66
SWRH 67B 0.64-0.71
SWRH 72B 0.69-0.76
SPECIFICATION : AISI / SAE
Grade No Chemical Composition (%)
C Mn P S
1006 0.08 Max 0.25-0.40 0.040 Max 0.050 Max
1008 0.10 Max 0.30-0.50
1010 0.18-0.13 0.30-0.60
1012 0.10-0.15
1015 0.13-0.18
1017 0.15-0.20
1018 0.15-0.20
SPECIFICATION : JIS G 3505
Grade No Chemical Composition (%)
C Si Mn P S
SWRM 6R 0.08 Max TRACE 0.60 Max 0.040 Max 0.040 Max
SWRM 8R 0.10 Max
SWRM 10R 0.08-0.13 0.30-0.60
SWRM 12R 0.10-0.15
SWRM 15R 0.13-0.18
SPECIFICATION : JIS G 3505
Grade No Chemical Composition (%)
C Si Mn P S
SWRM 8K 0.10 Max 0.17 Max 0.60 Max 0.040 Max 0.040 Max
SWRM 10K 0.08-0.13 0.30-0.60
SWRM 12K 0.10-0.15
SWRM 15K 0.13-0.18
RIMMED SUBSTITUTE EQUIVALENT TO JIS G 3505 8R
Grade No Chemical Composition (%)
C Si Mn P S
FD 0408 0.05 Max 0.06 Max 0.20-0.25 0.015 Max 0.015 Max
FD 0609 0.06 Max 0.23-0.32
SPECIFICATION : JIS G 3505
Grade No Chemical Composition (%)
C Si Mn P S
UB 30Si 0.29-0.33 1.50-2.00 0.60-0.90 0.020 Max 0.020 Max
UB 35Si 0.34-0.38
SPECIFICATION : JIS G 3507
Grade No Chemical Composition (%)
C Si Mn P S AL
SWRCH 8R 0.10 Max 0.01 Max 0.60 Max 0.040 Max 0.040 Max -
SWRCH 6A 0.08 Max 0.10 Max 0.030 Max 0.035 Max 0.020 Min
SWRCH 8A 0.10 Max
SWRCH 18A 0.15-0.20 0.60-0.90
SWRCH 22A 0.18-0.23 0.70-1.00
SWRCH 35K 0.32-0.38 0.10-0.35 0.60-0.90 -
SWRCH 38K 0.35-0.41
SWRCH 40K 0.37-0.43
SPECIFICATION : JIS G 3503
Grade No Chemical Composition (%)
C Si Mn P S Cu
SWRY 11 0.09 Max 0.03 Max 0.35-0.65 0.020 Max 0.023 Max 0.020 Max
RIMMED SUBSTITUTE EQUIVALENT TO JIS G 3503 SWRY 11
Grade No Chemical Composition (%)
C Si Mn P S Cu
WE 0909 0.09 Max 0.06 Max 0.35-0.65 0.020 Max 0.023 Max 0.020 Max
SPECIFICATION : JIS G 3505
Grade No Chemical Composition (%)
C Si Mn P S Cu
CO 0608 - S4 0.04-0.10 0.65-0.85 1.00-1.50 0.020 Max 0.020 Max 0.020 Max
CO 0608 - S6 0.80-1.15 1.40-1.85
SPECIFICATION : JIS G 3505
Grade No Chemical Composition (%)
C Si Mn P S
SW0831 0.06-0.11 0.10 Max 0.80-1.00 0.040-0.080 0.020 Max
SPECIFICATION : JIS G 3505
Regular Rolling Sizes (mm) Coil Weight Inner Diameter Outer Diameter Note
5.5 Approximately 1500kg - 2000kg per continuous coil Min 900mm Max 1250mm Other Special Sizes can be supplied on request.
4.5mm, 5.0mm, 6.0mm, 13.0mm, 17.0mm, 19.0mm, 20.5mm, 23.0mm, 27.0mm, 30.0mm
6.5
7.0
8.0
9.0
10.0
11.0
12.0
14.0