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JIS G3509-1 Low-Alloyed Steels For Cold Heating-Wire Rods

 

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 0.90~1.20
SCr430HRCH 0.2~0.34 0.55~0.95 0.85~1.25
SCr435RCH 0.33~0.38 0.60~0.90 0.90~1.20
SCr435HRCH 0.32~0.39 0.55~0.95 0.85~1.25
SCr440RCH 0.38~0.43 0.60~0.90 0.90~1.20
SCr440HRCH 0.37~0.44 0.55~0.95 0.85~1.25
SCr415RCH 0.13~0.18 0.60~0.90 0.90~1.20 0.15~0.25
SCr415HRCH 0.12~0.18 0.55~0.95 0.85~1.25 0.15~0.30
SCr418RCH 0.16~0.21 0.60~0.90 0.90~1.20 0.15~0.25
SCr418HRCH 0.15~0.21 0.55~0.95 0.85~1.25 0.15~0.30
SCM420RCH 0.18~0.23 0.60~0.90 0.90~1.20 0.15~0.25
SCM420HRCH 0.17~0.23 0.55~0.95 0.85~1.25 0.15~0.30
SCM425RCH 0.23~0.28 0.60~0.90 0.90~1.20
SCM425HRCH 0.55~0.95 0.85~1.25
SCM430RCH 0.28~0.33 0.60~0.90 0.90~1.20
SCM435RCH 0.33~0.38
SCM435HRCH 0.32~0.39 0.55~0.95 0.85~1.25 0.15~0.35
SCM440RCH 0.38~0.43 0.60~0.90 0.90~1.20 0.15~0.30
SCM440HRCH 0.37~0.44 0.55~0.95 0.85~1.25 0.15~0.35
SCM445RCH 0.43~0.48 0.60~0.90 0.90~1.20 0.15~0.30
SCM445HRCH 0.42~0.49 0.55~0.95 0.85~1.25 0.15~0.35
SCM822RCH 0.20~0.25 0.60~0.90 0.90~1.20 0.35~0.45
SCM822HRCH 0.19~0.25 0.55~0.95 0.85~1.25
SNC415RCH 0.12~0.18 0.35~0.65 2.00~2.50 0.20~0.50
SNC415HRCH 0.11~0.18 0.30~0.70 1.95~2.50 0.20~0.55
SNC631RCH 0.27~0.35 0.35~0.65 2.50~3.00 0.60~1.00
SNC631HRCH 0.26~0.35 0.3~0.70 2.45~3.00 0.55~1.05
SNC815RCH 0.12~0.18 0.35~0.65 3.00~3.50 0.60~1.00
SNC815HRCH 0.11~0.18 0.30~0.70 2.95~3.50 0.55~1.05
SNCM220RCH 0.17~0.23 0.60~0.90 0.40~0.70 0.40~0.60 0.15~0.25
SNCM220HRCH 0.60~0.95 0.35~0.75 0.35~0.65 0.15~0.30
SNCM240RCH 0.38~0.43 0.70~1.00 0.40~0.70 0.40~0.60
SNCM420RCH 0.36~0.43 0.40~0.70 1.60~2.00
SNCM420HRCH 1.55~2.00 0.35~0.65
SNCM439RCH 0.36~0.43 0.60~0.90 1.60~2.00 0.60~1.00
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