Changsha Haochang Machinery Equipment Co., Ltd
To be a first-class supplier in the market segments.
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Crankshaft description
Name used for Mercedes Benz engine crankshaft 457 OM457
Engine Model OM457
Cylinder
Application used for Mercedes Benz diesel engine
Crankshaft mechanical character
| Material: | Ductile cast QT800-6 |
| Strength of extension | ≥800 MPA |
| Elongation | ≥5.5% |
| Strike | ≥25 J/CM2 |
| Hardness(before strengthen) | HB250-310 |
| Hardness(after strengthen) | HRC46-52 |
Technical specification
|
Manufacturing | TS16949 certificated |
| Permanent molds | |
| Fillet rolling processing, nitriding, induction hardening | |
| Flexibility of production | |
| Fatigue test according to performance in engine |
Advantage of crankshaft
• The crankshaft hardness after induction hardening
• Continuous and homogeneous hardness
• High corrosion resistance
• More flexible structure
• High stress resistance
• High fatigue and shock resistance
• Suitable to work under friction and heavy loading pulse.
About quality control
We have passed quality control certification system of ISO9000,TS16949 which are main quality certificate.
Quality Control equipments include Spectrometer, Microscope, Durometers, Magnetic particle crack detectors,
Perfilometer, Roughness test machine, Residual stress inspection etc.applied on every production step.
HC Crankshafts are guaranteed for 12 months after arming in engine.If in this period the crankshaft is broken,
we will one compensable three.
Packing detail
Firstly, the crankshafts are coated the imported anti rust oil. The oil form a harden film which don’t pollute your
hand whenever you move the crankshaft, the color is light golden and very attractive.
Then they are wrapped with plastic bags.
We have 3 kinds of outer package ( Foam packing, Moving luxury wooden case and Normal wooden case )
Usually the foam packing=foam box+imported anti rust oil+ carton
Moving luxury wooden case=imported anti rust oil+plastics bag+wooden box(the thickness of the wooden box is 10mm)
Normal wooden case=anti rust paper+wooden box (the thickness of the foam box is 15-20mm)
And after all finishes the crankshafts are being packed with pallet.
If the quantity of order is over 100-200 pcs one item, we can emboss brand name and design the package logo
as customers requested.
we always try to provide the best quality for our clients from all over the world.From the initial design concept
to series production, each and every part receives our undivided attention:our internal quality standards match
our customer’s needs.
♥ Leave an inquiry to know more details about price , packing , shipping and discount .
Welcome to our company!