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Steel Grades

Symbol
Chemical Composition
C
Si
Mn
P
S
NI
Cr
MO
SMn420 0.17~0.23 0.15~0.35 1.20~1.50 0.030 Max 0.030 Max 0.25 Max 0.35 Max
SMn433 0.30~0.36
SMn438 0.35~0.41 1.35~1.65
SMn443 0.40~0.46
SMnC420 0.13~0.18 0.15~0.35 1.20~1.50 0.35~0.70
SMnC433 0.18~0.23 1.35~1.65
SCr415 0.28~0.33 0.15~0.35 0.60~0.90 0.90~1.20
SCr420 0.33~0.38
SCr430 0.38~0.43
SCr435 0.43~0.48
SCr440 0.13~0.18
SCr445 0.16~0.21
SCM415 0.13~0.18 0.60~0.90 0.90~1.20 0.15~0.30
SCM418 0.16~0.21
SCM420 0.18~0.23
SCM421 0.17~0.23 0.70~1.00
SCM425 0.23~0.28 0.60~0.90
SCM430 0.28~0.33 1.00~1.50
SCM432 0.27~0.37 0.30~0.60 0.90~1.20
SCM435 0.33~0.38 0.60~0.90
SCM440 0.38~0.43
SCM445 0.43~0.48
SCM822 0.20~0.25 0.35~0.45
SNC236 0.32~0.40 0.15~0.35 0.50~0.80 1.00~1.50 0.50~0.90
SNC415 0.12~0.18 0.35~0.65 2.00~2.50 0.20~0.50
SNC631 0.27~0.35
2.50~3.00
0.60~1.00
SNC815 0.12~0.18 3.00~3.50
SNC836 0.32~0.40
SNCM220 0.17~0.23 0.60~0.90 0.40~0.70 0.40~0.60 0.15~0.25
SNCM240 0.38~0.43 0.70~1.00 0.15~0.30
SNCM415 0.12~0.18 0.40~0.70 1.60~2.00
SNCM420 0.17~0.23
SNCM431 0.27~0.35 0.60~0.90 0.60~1.00
SNCM439 0.36~0.43
SNCM447 0.44~0.50
SNCM616 0.13~0.20 0.80~1.20 2.80~3.20 1.40~1.80 0.40~0.60
SNCM625 0.20~0.30 0.35~0.60 3.00~3.50 1.00~1.50 0.15~0.30
SNCM630 0.25~0.35 2.50~3.50 2.50~3.50 0.30~0.70
SNCM815 0.12~0.18 0.30~0.60 4.00~4.50 0.70~1.00 0.15~0.30
SACM645 0.15~0.50 0.15~0.50 0.60 Max 0.25 Max
1.30~1.70

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Symbol
Chemical Composition
C
Si
Mn
P
S
Ni
Cr
Mo
SMn420RCH 0.17~0.23 0.15~0.35 1.20~1.50 0.030 Max 0.030 Max 0.250 Max 0.350 Max
SMn420HRCH 0.16~0.23 1.15~1.55
SMn433RCH 0.30~0.36 1.20~1.50
SMn433HRCH 0.29~0.36 1.15~1.55
SMn438RCH 0.35~0.41 1.35~1.65
SMn438HRCH 0.34~0.41 1.30~1.70
SMn443RCH 0.40~0.46 1.35~1.65
SMn443HRCH 0.39~0.46 1.30~1.70
SMnC420RCH 0.17~0.23 1.35~1.65 0.35~0.70
SMnC443RCH 0.40~0.46 1.30~1.70
SCr415RCH 0.13~0.18 0.60~0.90 0.90~1.20
SCr415HRCH 0.12~0.18 0.55~0.95 0.85~1.25
SCr420RCH 0.18~0.23 0.60~0.90 0.90~1.20
SCr420HRCH 0.17~0.33 0.55~0.95 0.85~1.25
SCr430RCH 0.28~0.33 0.60~0.90 0.85~1.25
SCr430HRCH 0.2~0.34 0.55~0.95 0.90~1.20
SCr435RCH 0.33~0.38 0.60~0.90 0.85~1.25
SCr435HRCH 0.32~0.39 0.55~0.95 0.90~1.20
SCr440RCH 0.38~0.43 0.60~0.90 0.85~1.25
SCr440HRCH 0.37~0.44 0.55~0.95 0.90~1.20 0.15~0.25
SCr415RC 0.13~0.18 0.60~0.90 0.85~1.25 0.15~0.30
SCr415HRCH 0.12~0.18 0.55~0.95 0.90~1.20 0.15~0.25
SCr418RCH 0.16~0.21 0.60~0.90 0.85~1.25 0.15~0.30
SCr418HRCH 0.15~0.21 0.55~0.95 0.90~1.20 0.15~0.25
SCM420RCH 0.18~0.23 0.60~0.90 0.85~1.25 0.15~0.30
SCM420HRCH 0.17~0.23 0.55~0.95 0.90~1.20
SCM425RCH 0.23~0.28 0.60~0.90 0.85~1.25
SCM425HRCH 0.55~0.95 0.90~1.20
SCM430RCH 0.28~0.33 0.60~0.90
SCM435RCH 0.33~0.38 0.85~1.25 0.15~0.35
SCM435HRCH 0.32~0.39 0.55~0.95 0.90~1.20 0.15~0.30
SCM440RCH 0.38~0.43 0.60~0.90 0.85~1.25 0.15~0.35
SCM440HRCH 0.37~0.44 0.55~0.95 0.90~1.20 0.15~0.30
SCM445RCH 0.43~0.48 0.60~0.90 0.85~1.25 0.15~0.35
SCM445HRCH 0.42~0.49 0.55~0.95 0.90~1.20 0.35~0.45
SCM822RCH 0.20~0.25 0.60~0.90 0 .85~1.25
SCM822HRCH 0.19~0.25 0.55~0.95 2.00~2.50 0.20~0.50
SNC415RCH 0.12~0.18 0.35~0.65 1.95~2.50 0.20~0.55
SNC415HRCH 0.11~0.18 0.30~0.70 2.50~3.00 0.60~1.00
SNC631RCH 0.27~0.35 0.35~0.65 2.45~3.00 0.55~1.05
SNC631HRCH 0.26~0.35 0.3~0.70 3.00~3.50 0.60~1.00
SNC815RCH 0.12~0.18 0.35~0.65 2.95~3.50 0.55~1.05 0.15~0.25
SNC815HRCH 0.11~0.18 0.30~0.70 0.40~0.70 0.40~0.60 0.15~0.30
SNCM220RCH 0.17~0.23 0.60~0.90 0.35~0.75 0.35~0.65
SNCM220HRCH 0.60~0.95 0.40~0.70 0.40~0.60
SNCM240RCH 0.38~0.43 0.70~1.00 1.60~2.00
SNCM420RCH 0.36~0.43 0.40~0.70 1.55~2.00 0.35~0.65
SNCM420HRCH 1.60~2.00 0.60~1.00
SNCM439RCH 0.36~0.43 0.60~0.90
SNCM447RCH
0.44~0.50
SNCM616RCH
0.13~0.20 0.80~1.20 2.80~3.20 1.40~1.80 0.40~0.60

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Symbol
Chemical Composition
C
Si
Mn
P
S
Ni
Cr
Mo
Mn
SMn420H
0.16~0.23 0.15~0.35 1.15~1.55 0.030

Max

 0.030

Max

 0.250

Max

 0.350

Max

 –
SMn433H 0.29~0.36
SMn438H 0.34~0.41 1.30~1.70
SMn443H 0.39~0.46
Mn-Cr SMnC420H 0.16~0.23 1.15~1.55 0.350~0.70
SMnC443H 0.39~0.46 1.30~1.70
Cr SCr415H 0.12~0.18 0.55~0.95 0.85~1.25
SCr420H 0.17~0.23
SCr430H 0.27~0.34
SCr435H 0.32~0.39
SCr440H 0.37~0.44
Cr-Mo SCM415H 0.12~0.18 0.15~0.30
SCM418H
0.15~0.21
SCM420H 0.17~0.23
SCM425H
0.23~0.28
SCM435H 0.32~0.39 0.15~0.35
SCM440H 0.37~0.44
SCM445H 0.42~0.49
SCM822H 0.19~0.25 0.35~0.45
Ni-Cr SNC415H 0.11~0.18 0.30~0.70 1.95~2.50 0.20~0.55 –
SNC631H 0.26~0.35 2.45~3.00 0.55~1.05
SNC815H 0.11~0.18 2.95~3.50
Ni-Cr-Mo SNCM220H 0.17~0.23 0.60~0.95 0.35~0.75 0.35~0.65 0.15~0.30
SNCM420H 0.17~0.23 0.40~0.70 1.55~2.00

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Symbol
Chemical Composition
C
Si
MN
P
S
S10C 0.08~0.13 0.15~0.35 0.30~0.60 0.030 Max 0.035 Max
S12C 0.10~0.15
S15C 0.12~0.18
S17C 0.15~0.20
S20C 0.18~0.23
S22C 0.20~0.25
S25C 0.22~0.28
S28C 0.25~0.31 0.60~0.90
S30C 0.27~0.33
S33C 0.30~0.36
S35C 0.32~0.38
S38C 0.35~0.41
S40C 0.37~0.43
S43C 0.40~0.46
S45C 0.42~0.48
S48C 0.45~0.51
S50C 0.47~0.53
S58C 0.50~0.56
S15C9 0.07~0.12 0.10~0.35 0.30~0.60 0.025 MAX 0.025 MAX
S20CK 0.13~0.18 0.15~0.35
S09CK 0.18~0.23

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Symbol Chemical Composition
C Si Mn P S AI
SWRCH 6A 0.08 Max 0.10 Max 0.6 Max 0.030 Max 0.035 Max 0.02 Min
SWRCH 8A 0.10 Max
SWRCH 10A 0.08~0.13 0.30~0.60
SWRCH 12A 0.10~0.15
SWRCH 15A 0.13~0.18
SWRCH 16A 0.60~0.90
SWRCH 18A 0.15~0.20
SWRCH 19A 0.70~1.00
SWRCH 20A 0.18~0.23 0.30~0.60
SWRCH 22A 0.70~1.00
SWRCH 25A 0.22~0.28 0.30~0.60
SWRCH 10K 0.08~0.13 0.10~0.35 0.30~0.60 0.030 Max 0.035 Max
SWRCH 12K 0.10~0.15
SWRCH 15K 0.13~0.18
SWRCH 16K 0.60~0.90
SWRCH 17K 0.49~0.56 0.30~0.60
SWRCH 18K 0.60~0.90
SWRCH 20K 0.18~0.23 0.30~0.60
SWRCH 22K 0.70~1.00
SWRCH 24K 0.19~0.25 1.35~1.65
SWRCH 25K 0.22~0.28 0.30~0.60
SWRCH 27K 0.22~0.29 1.20~1.50
SWRCH 30K 0.27~0.33 0.60~0.90
SWRCH 33K 0.30~0.36
SWRCH 35K 0.32~0.38
SWRCH 38K 0.35~0.41
SWRCH 40K 0.37~0.43
SWRCH 41K 0.36~0.44 1.35~1.65
SWRCH 43K 0.40~0.46 0.60~0.90
SWRCH 45K 0.42~0.48
SWRCH 48K 0.45~0.51
SWRCH 50K 0.47~0.53

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Symbol Chemical Composition
C Si Mn P S
SWRH 27 0.24~0.31 0.15~0.35 0.30~0.60 0.030 Max 0.030 Max
SWRH 32 0.29~0.36
SWRH 37 0.34~0.41
SWRH 42A 0.39~0.46 0.30~0.60
SWRH 42B 0.60~0.90
SWRH 47A 0.44~0.51 0.30~0.60
SWRH 47B 0.60~0.90
SWRH 52A 0.49~0.56 0.30~0.60
SWRH 52B 0.60~0.90
SWRH 57A 0.54~0.61 0.30~0.60
SWRH 57B 0.60~0.90
SWRH 62A 0.59~0.66 0.30~0.60
SWRH 62B 0.60~0.90
SWRH 67A 0.64~0.71 0.30~0.60
SWRH 67B 0.60~0.90
SWRH 72A 0.69~0.76 0.30~0.60
SWRH 72B 0.60~0.90
SWRH 77A 0.74~0.81 0.30~0.60
SWRH 77B 0.60~0.90
SWRH 82A 0.79~0.86 0.30~0.60
SWRH 82B 0.60~0.90

Sử dụng con lăn chuột để cuộn nội dung lên/xuống

JIS G3505 – Low Carbon Steel Wire Rods
Symbol C Mn P S
SWRM 6 0.08 max. 0.60 max. 0.040 max. 0.040 max.
SWRM 8 0.10 max. 0.60 max.
SWRM 10 0.10–0.13 0.30–0.60
SWRM 12 0.12–0.15
SWRM 15 0.15–0.18
SWRM 17 0.17–0.20
SWRM 20 0.18–0.23
SWRM 22 0.20–0.25
SWRH 27 0.24–0.31 0.30–0.60 0.030 max. 0.030 max.
SWRH 32 0.29–0.36
SWRH 37 0.34–0.41
SWRH 42 0.39–0.46
SWRH 47A 0.44–0.51
SWRH 47B 0.44–0.51
SWRH 52A 0.49–0.56
SWRH 52B 0.49–0.56
SWRH 57A 0.54–0.61
SWRH 57B 0.54–0.61
SWRH 62A 0.59–0.66
SWRH 62B 0.59–0.66
SWRH 67A 0.64–0.71
SWRH 67B 0.64–0.71
SWRH 72A 0.69–0.76
SWRH 72B 0.69–0.76
SWRH 77A 0.74–0.81
SWRH 77B 0.74–0.81
SWRH 82A 0.79–0.86
SWRH 82B 0.79–0.86 0.60–0.90
符號
Symbol		 化學成分 單位%
Chemical Composition
C Si Mn P S Cr Mo
SCM415 0.13-0.18 0.15-0.35 0.60-0.85 0.030 max 0.030 max 0.90-1.20 0.15-0.30
SCM418 0.16-0.21 0.60-0.85 0.90-1.20 0.15-0.30
SCM420 0.18-0.23 0.60-0.85 0.90-1.20 0-0.30
SCM421 0.17-0.23 0.70-1.00 0.90-1.20 0.15-0.30
SCM430 0.28-0.33 0.60-0.85 0.90-1.20 0.15-0.30
SCM432 0.27-0.37 0.30-0.60 1.00-1.50 0.15-0.30
SCM435 0.33-0.38 0.60-0.85 0.90-1.20 0.15-0.30
SCM440 0.38-0.43 0.60-0.85 0.90-1.20 0.15-0.30
SCM445 0.43-0.48 0.60-0.85 0.90-1.20 0.15-0.30
SCM822 0.20-0.25 0.60-0.85 0.90-1.20 0.35-0.45