Customization: | Available |
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After-sales Service: | 12 Years |
Warranty: | 12 Years |
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Why you choose us? | |||
1. more than 20 years experiences in steel business | |||
2. good quality | |||
3. competitive price | |||
4. meet your needs via reprocessing | |||
5. excellent service | |||
6. short delivery time | |||
7. long mutual beneficial business cooperation |
SAE/AISI: | SAE1020, SAE1026, SAE1045, SAE4130, SAE4140 |
DIN: | ST52, ST52.3, ST52.4 |
EN: | E355, C45E, 25CrMo4, 42CrMo4, CK45, S45C, E410, E470 |
GB: | 20#, 45#, 16Mn, Q345B, Q345C, Q345D, Q345E, 25Mn, 27SiMn, |
SAE1020 | C | Si | Mn | Cr | Ni | S | P |
0.17-0.24 | 0.17-0.37 | 0.35-0.65 | <=0.25 | <=0.25 | <=0.035 | <=0.035 | |
SAE1045 | C | Si | Mn | Cr | Ni | Cu | P |
0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.25 | ≤0.30 | ≤0.25 | ≤0.035 | |
SAE4140 | C | Si | Mn | Cr | Mo | S | P |
0.38~0.45 | 0.17~0.37 |
0.50~0.80
|
0.9~1.20 | 0.15~0.25 | ≤0.035 | ≤0.035 | |
SAE4340 | C | Si | Mn | Cr | Mo | S | P |
0.38~0.43 |
0.15~0.35
|
0.60~0.80 | 0.70~0.90 | 0.20~0.30 | ≤0.040 | ≤0.035 | |
SAE4145H | C | Si | Mn | Cr | Mo | S | P |
0.42-0.49 | 0.15-0.35 | 0.65-1.10 | 0.75-1.10 | 0.15-0.25 | ≤0.040 | ≤0.035 |
Standard | Grade | C | Si | Mn | s | p | Cr |
GB/T 699 GB/T 3639 GB3077 GB/T1591 GB/T 8163-2018 |
10# | 0.07~0.13 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | \ |
20# | 0.17~0.23 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | \ | |
35# | 0.32~0.39 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | \ | |
45# | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | \ | |
40Cr | 0.37~0.44 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | 0.08~1.10 | |
25Mn | 0.22~0.29 | 0.17~0.37 | 0.70~1.00 | ≤0.035 | ≤0.035 | ≤0.25 | |
Q345B | ≤0.20 | ≤o.50 | ≤1.7 | ≤0.035 | ≤0.035 | ≤0.3 | |
37Mn5 | 0.30~0.39 | 0.15~0.30 | 1.20~1.50 | ≤0.015 | ≤0.020 | \ |