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Help CenterHot Rolled Carbon Steel S9CK Round Bar
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1. Grade:
(1) Carbon steel:
Chinese Standard: 20#, 25#, 35#, 45#, 50#, 60#;
Japan Standard: S20C, S25C, S35C, S45C, S55C, S60C;
US Standard: AISI1020, AISI1040, AISI1045, AISI1050;
Europe Standard: CK15, C. 22, C45, CK45, C60, CK60; C45E;
(2) Alloy Steel:
Chinese Standad: 16Mn, 20Mn, 30Mn2, 30Mn5, 40Cr, Q345D, Q345E, Q390; 42CrMo, 20CrMo, 38CrMoAl, 40CrNiMo; 48CrMo, 5CrNiMo;
Janpan Standard: SCM415, SCM420, SCM440, SNCM439, SNCM220; SACM645
USA Standard: SAE4140, SAE4130, SAE9840, SAE4340, AISI4145H, SAE4150, SAE8620.
Surface Treatment: painting,plating,polishing,black oxide,transparent anti-rust oil
Heat treatment: Normalized / Annealed / Quenched / tempered
Product Advantages:
1) High strength
2) Good machining property
3) Good comprehensive property balance
Symbol |
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 |
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