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|
Material |
S355jr St52 Sae4140 Sae4140 froging steel |
|---|---|
|
Forging equipment |
5000T open die hydropess |
|
Application |
Supporting roll of veneer reeling machine to rotate up roll and low roll,thus to bend the sheet continuously |
|
Melting process |
EF+LF+VD |
|
Production process |
Forging+heat treatment+rough machining+QT |
|
Forging ratio |
≥3.5 |
|
Applicable standard |
ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
|
Executive standard |
JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
|
Certification authority |
ISO9001:2008,BV,SGS, IST, UL,CTI |
|
Delivery term |
Rough machining(N+T);finsh machining(Q+T) |
|
Test equipment |
Spectrograph,UT device,tensile and compact test machine,metalloscope,outside micrometer,bore dial indicator,hardness test machine |
|
Service |
Our service included the forging, process, heat treatment, finish machining, package, local logistics, customers clearance and maritime transport. We took the customer’s requirements as the principal thing, and pay attention on the products quality. |
|
Material elements |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Others |
|
50Mn |
0.48-0.56 |
0.17-0.37 |
0.70-1.00 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.30 |
≤0.25 |
|
|
4140 |
0.38-0.43 |
0.15-0.35 |
0.60-0.90 |
≤0.035 |
≤0.040 |
0.80-1.10 |
-- |
0.15-0.25 |
- |
|
60CrMo |
0.55-0.65 |
0.17-0.30 |
0.450-0.80 |
≤0.020 |
≤0.015 |
0.50-0.80 |
≤0.25 |
0.20-0.40 |
|
|
9Cr2Mo |
0.85-0.95 |
0.25-0.45 |
0.20-0.40 |
≤0.025 |
≤0.025 |
1.70-2.10 |
≤0.25 |
0.20-0.40 |
|
|
Mechanical property |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type of notch |
Impact energy |
HBW |
|
50Mn |
Ø10 |
≥645 |
≥390 |
≥13 |
≥40 |
V |
≥39 |
≤255HBS |
|
4140 |
Ø10 |
740~1000 |
450~850 |
≥12 |
≥25 |
V |
≥40 |
≤250HBS |
