Steel – Standard Ingredients

Stainless Steel – International Standard Ingredients
Material Compositions C Si S P Mn Ni Cr Mo Cu V Others
304S < 0.08 < 1.00 < 0.030 < 0.045 < 2.00 8.00~12.0 18.0~20.0        
316S < 0.08 < 1.00 < 0.030 < 0.045 < 2.00 10.0~14.0 16.0~18.0 2.00~3.00      
CF8M < 0.08 < 1.50 < 0.040 < 0.040 < 1.50 9.00~12.0 18.0~21.0 2.00~3.00      
316L < 0.03 < 1.00 < 0.030 < 0.045 0.20~2.00 10.0~14.0 16.0~18.0 2.00~3.00      
1.4408C < 0.07 < 1.50 < 0.030 < 0.040 < 1.50 9.00~12.0 18.0~20.0 2.00~2.50      
1.4409C < 0.03 < 1.50 < 0.025 < 0.035 < 2.00 9.00~12.0 18.0~20.0 2.00~2.50      
SCH13 0.20~0.50 < 2.00 < 0.040 < 0.040 < 2.00 11.0~14.0 24.0~28.0        
SUS 429 < 0.12 < 1.00 < 0.030 < 0.040 < 2.00   14.0~16.0        
SUS 410 < 0.15 < 1.00 < 0.030 < 0.040 < 1.00   11.5~13.5        
SUS 431 < 0.20 < 1.00 < 0.030 < 0.040 < 1.00 1.25~2.50 15.0~17.0        
SUS 440C 0.95~1.20 < 1.00 < 0.030 < 0.040 < 1.00   16.0~18.0 < 0.75      

Carbon Steel – International Standard Ingredients
Material Compositions C Si S P Mn Ni Cr Mo Cu V Others
1.0619C 0.18~0.23 0.30~0.50 < 0.020 < 0.030 0.50~0.80 < 0.40 < 0.30 < 0.12 < 0.30 < 0.030  
WCB < 0.30 < 0.60 < 0.045 < 0.040 < 1.00 < 0.50 < 0.50 < 0.20 < 0.30    
1008/SS41 < 0.10 0.30~0.50                  
S10C 0.08~0.13 0.15~0.35 < 0.035 < 0.030 0.30~0.60            
S15C 0.13~0.18 0.15~0.35 < 0.035 < 0.030 0.30~0.60            
S20C 0.18~0.23 0.15~0.35 < 0.035 < 0.030 0.30~0.60            
S40C 0.37~0.43 0.15~0.35 < 0.035 < 0.030 0.60~0.90            
S45C 0.42~0.48 0.15~0.35 < 0.035 < 0.030 0.60~0.90            
S50C 0.47~0.53 0.15~0.35 < 0.035 < 0.030 0.60~0.90            
S60C 0.57~0.63 0.15~0.35 < 0.035 < 0.030 0.60~0.90            

Chrome Vanadium Steel – International Standard Ingredients
Material Compositions C Si S P Mn Ni Cr Mo Cu V Others
6140c 0.38~0.43 0.15~0.30 < 0.040 < 0.035 0.70~0.90   0.80~1.10     > 0.15  
6150C 0.48~0.53 0.20~0.35 < 0.040 < 0.035 0.70~0.90   0.80~1.10     > 0.15  

Chrome-Molybdenum Steel - International Standard Ingredients
Material Compositions C Si S P Mn Ni Cr Mo Cu V Others
SCM 21 0.13~0.18 0.15~0.35 < 0.030 < 0.030 0.60~0.85   0.90~1.20 0.10~0.30      
SCM 420 0.18~0.23 0.15~0.35 < 0.030 < 0.030 0.60~0.85   0.90~1.20 0.10~0.30      
SCM 435 0.33~0.38 0.15~0.35 < 0.030 < 0.030 0.60~0.85   0.90~1.20 0.10~0.30      
SCM 440 0.38~0.43 0.15~0.35 < 0.030 < 0.030 0.60~0.85   0.90~1.20 0.10~0.30      
4140C 0.38~0.43 0.20~0.35 < 0.040 < 0.040 0.75~1.00   0.80~1.10 0.15~0.25      
SAE 4161 0.56~0.64 0.15~0.30 < 0.040 < 0.035 0.75~1.00   0.70~0.90 0.25~0.35      
15Cr3 0.12~0.18 0.15~0.40 < 0.035 < 0.035 0.40~0.60   0.40~0.70        

Nickel-Chromium-Molybdenum Steel – International Standard Ingredients
Material Compositions C Si S P Mn Ni Cr Mo Cu V Others
SNCM  0.17~0.23 0.15~0.35 < 0.030 < 0.030 0.60~0.90 0.40~0.70 0.40~0.65 0.15~0.30 SNCM220+C
→C:0.35~0.43
Same as the Rest
220
SNCM 0.12~0.18 0.15~0.35 < 0.030 < 0.030 0.40~0.70 1.60~2.00 0.40~0.65 0.15~0.30      
415
SNCM 0.36~0.43 0.15~0.35 < 0.030 < 0.030 0.60~0.90 1.60~2.00 0.60~1.00 0.15~0.30      
439
SNCM  0.45~0.55 0.15~0.35 < 0.030 < 0.030 0.60~0.90 2.00~2.60 0.80~1.20 0.20~0.30   < 0.015  
447A
8620C 0.18~0.23 0.20~0.35 < 0.040 < 0.035 0.70~0.90 0.40~0.70 0.40~0.60 0.15~0.25      

Specialized Steel – International Standard Ingredients
Material Compositions C Si S P Mn Ni Cr Mo Cu V Others
17-4 < 0.07 < 1.00 < 0.030 < 0.040 < 1.00 3.00~5.00 15.0~17.5   3.00~5.00   Nb
PH 0.15~0.45
A2 0.95~1.05 0.20~0.40     0.45   4.75~5.50 0.90~1.40   0.15~0.40  
~0.75
SKH 0.80~0.90           3.80~4.50 4.50~5.50   1.60~2.20
9-M2 5.5~6.7
SKD 11 1.40~1.60 < 0.40 < 0.030 < 0.030 < 0.60   11.0~13.0 0.80~1.20   0.20~0.50  
SKS 51 0.75~0.85 < 0.35 < 0.030 < 0.030 < 0.50 1.30~2.00 0.20~0.50        
SUH < 0.25 < 1.50 < 0.030 < 0.030 < 2.00 19.0~22.0 24.0~26.0        
310