|
Material elements |
C |
Mn |
P |
S |
SI |
Cr |
NI |
Mo |
Cu |
N |
|
4130 |
0.33 |
0.7 |
<0.025 |
<0.025 |
<0.35 |
0.8-1.0 |
<0.5 |
0.15-0.25 |
/ |
/ |
|
4140 |
0.43 |
1.0 |
<0.030 |
<0.040 |
<0.35 |
0.8-1.1 |
<0.030 |
0.15-0.25 |
<0.030 |
/ |
|
A105 |
0.19-0.23 |
0.9-1.05 |
≤ 0.035 |
≤ 0.030 |
0.15-0.3 |
≤ 0.1 |
≤ 0.4 |
≤ 0.12 |
≤ 0.4 |
/ |
|
LF2 |
0.19-0.23 |
0.9-1.05 |
≤ 0.035 |
≤ 0.030 |
0.15-0.3 |
≤ 0.1 |
≤ 0.4 |
≤ 0.12 |
≤ 0.4 |
/ |
|
35NiCrMoV12-5 |
0.30-0.40 |
0.4-0.7 |
≤ 0.015 |
≤ 0.015 |
≤ 0.35 |
1.0-1.4 |
2.5-3.5 |
0.35-0.65 |
/ |
/ |
|
ASTMA36 |
≤ 0.26 |
0.6-0.9 |
≤ 0.040 |
≤ 0.050 |
≤ 0.40 |
/ |
/ |
/ |
≥0.20 |
/ |
| Mechanical property | Dia.(mm) | TS/Rm (Mpa) | YS/Rp0.2 (Mpa) | EL/A5 (%) | RA/Z (%) | Notch | Impact energy | HBW |
| 4130 | Ф10 | ＞655 | ＞517 | ＞18 | ＞35 | V | ≥20J(-60℃) | 197-23 |
| 4140 | Ф10 | ＞1080 | ＞930 | ＞25 | ＞45 | V | ≥25J(-60℃) | <217 |
| A105 | / | ≥485 | ≥250 | ≥22 | ≥30 | V | / | 143-187 |
| LF2 | / | 485-655 | ≥250 | ≥22 | ≥30 | V | ≥27J(-29℃) | 143-187 |
| 35NiCrMoV12-5 | Ф12.5 | ≥1100 | ≥850 | ≥8.0 | / | V | / |
/ |
| ASTMA36 | / | 400-550 | ≥250 | ≥23 | / | V | / |
/ |