Open Die Forging Marine Intermediate Drive Shaft:
Technical Specification:
Material: 35# ,45#, 40Cr, 42CrMo, etc.
Size: OD.200-1000 mm
Process: EAF + LF + VD + Forged + Heat Treatment (optional)
Heat treatment: Normalized / Annealed / Quenched / tempered
|
Chemical Component(%) |
|||||||||
|
C |
Si |
Mn |
Mo |
Cr |
S |
P |
Ni |
Cu |
Other |
|
0.32-0.40 |
0.17-0.37 |
0.50-0.80 |
/ |
≤0.25 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
|
Mechanical Properties at Nomal Temperature |
|||||||
|
Nominal Thickness (mm) |
Heat Treatment Condition |
Tempering Temperature (°C) |
o b (MPa) |
o s (MPa) |
o 5(%) |
Akv (J) |
HB |
|
≤100 |
Normalizing |
/ |
510-670 |
≥265 |
≥18 |
≥20 |
136-200 |
|
100-300 |
Normalizing and Tempering |
≥590 |
490-640 |
≥255 |
≥18 |
≥20 |
130-190 |
|
Held Value Strength at High Temperature |
|||||||||
|
Nominal Thickness (mm) |
During the following temperature (°C), o 0.2 (MP) should be not less than |
||||||||
|
10 |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
|
|
≤100 |
265 |
235 |
225 |
205 |
186 |
172 |
157 |
147 |
137 |
|
100-300 |
255 |
230 |
220 |
200 |
181 |
167 |
152 |
142 |
132 |
