SS Forging Hydraulic Cylinder Parts Rough Machining ISO9001 Certification
Negotiable /Metric Ton
Min.Order:1 Metric Ton
JIANGSU HUI XUAN NEW ENERGY EQUIPMENT CO.,LTD
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SS Forging Hydraulic Cylinder Parts Rough Machining ISO9001 Certification
1, Products:
hydraulic cylinder pedestal,bearing pedestal,hydraulic cylinder parts
2, Products reference:
Material | Q345D,4140,4330,18CrNiMo7-6,4340 |
Forging equipment | 6000T open die hydroress |
Application | Hydraulic equipment parts |
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,GSG,IST,UL.CTI |
Delivery term |
Rough machining(N+T);QT |
Test equipment |
Spectrograph,ut device,tensile and impact 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. |
3, Custom properties
Material elements | C | Si | Mn | P | S | Cr | Ni | Mo |
Others |
Q345D | 0.13-0.20 | 0.17-0.37 | 1.20-1.60 | ≤0.030 | ≤0.030 | ≤0.30 | ≤0.30 | -- | |
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 | - |
4330 | 0.28-0.33 | 0.10-0.35 | 0.85-1.15 | ≤0.020 | ≤0.020 | 0.80-1.10 | 1.10-1.40 | 0.35-0.55 | - |
18CrNiMo7-6 | 0.15-0.21 | 0.17-0.35 | 0.50-0.90 | ≤0.025 | ≤0.025 | 1.50-1.80 | 1.40-1.70 | 0.25-0.35 | |
4340 | 0.38-0.43 | 0.15-0.35 | 0.60-0.80 | ≤0.035 | ≤0.040 | 0.70-0.90 | 1.65-2.00 | 0.20-0.30 | - |
Mechanical property |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type Of notch |
Impact energy |
HBW |
Q345D |
Ø25 |
470-630 |
≥345 |
≥21 |
-- |
V |
-20℃≥34 |
-- |
4140 |
Ø15 |
740~1000 |
450~850 |
≥12 |
≥25 |
V |
≥40 |
≤250HBS |
4330 |
Ø10 |
≥1000 |
≥740 |
≥12 |
≥25 |
V |
≥42 |
-- |
18CrNiMo7-6 |
Ø15 |
≥980 |
≥785 |
≥9 |
≥40 |
V |
≥47 |
≤269HBS |
4340 |
Ø15 |
≥980 |
≥835 |
≥12 |
≥55 |
V |
≥78 |
≤179HBS |
4, Process procedure:
Forging process flow quality