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Feature:
1.Widely used in different areas,mainly used in truck and trailer.
2.Reasonable structure, strong rigidity and strength, can be used to impact the bearing the strike.
3.Customized design to meet different customer needs.
4.Advanced manufacturing technology, including lautomatic cutting, Automatic Double Ends Eye-former, Step type automatic heat treatment line,reliable quality
| 1.Production Name : | High Leaf Spring |
| 2.Types | tapered leaf spring |
| 3.Width | 2.36 in. |
| 4.Thickness | 0.55 in.-0.71in. |
| 5.Pieces | 2L |
| 6.Components: | Leaf, clip, center bolt , bushing, nuts, spacer , The noise reduction pad |
| 7.Color | Shinning black |
| 8.Materials: | 51CrV4 or as your required |
| 1) Raw matrail . |
| Thickness less than 20mm. we choose SUP9/55Cr3/SAE5160H as the product material |
| Thickness from 20-30mm. wE choose SUP11A/50CrVA |
| Thickness more than 30mm. We choose 51CrV4 as the raw material |
| Thickness more than 50mm. We choose 52CrMoV4 as the raw material |
| 2) Quchenging Process |
| We strickly controled the steel temeprure around 800 degree. |
| we swing the spring in the qenching oil among 10 seconds according to the spring thickness. |
| 3)Shot Peening. |
| Each assmembing spring set under stress peening . |
| Fatigue test can reach over 150000 cycus |
| 4) Painting |
| Each leaf under cataphoresis painting. |
| Salt spray testing reach 500hours |
Q1: What type of leaf spring could you produce ?
A: We can produce most kinds of springs in the market. especially on the parabolic springs.
Q2: What material could you supply for leaf spring?
A: Our material grade should be SUP9/SUP9A /SUP11A/51CrV4 /52CrMoV4/ even 55Cr3 and SAE5160H as well .
Q3: How long will be your delivery time?
A: 20-40days. If material stock enough around 20days. if not,would be 40days
Q4: What payment terms are acceptable?
A: TT and LC at sight
Q5: What is the packing?
A: No fumigation wooden pallet . we also can pack according to whatever you request if reasonable.
Q6:How about the surface finishing ?
A : electrophoresis coating (black,red,gray,or as customer’s requests )
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