Fast delivery Tractor Leaf Spring Spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang

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  • Fast delivery Tractor Leaf Spring Spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang
  • Fast delivery Tractor Leaf Spring Spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang

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Our pursuit and company goal is to "Always satisfy our customer requirements". We continue to develop and design superior quality products for both our old and new customers and achieve a win-win prospect for our clients as well as us for Trailer Leaf Springs , Nissan Leaf Spring , Extended Leg U Bolts , With our rules of " business reputation, partner trust and mutual benefit", welcome all of you to work together , grow together.
Fast delivery Tractor Leaf Spring Spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang Detail:

This spring assy are widely used in American for trailer .

Spring Measurements Specs

Totally 3 blades , 3pcs middle pads , End to End Measurement 1124 mm (Free Length Measurement), A side Free Arch Measurement 97mm，Tolerance range ±3mm ,B side Free Arch Measurement 89mm,Tolerance range ±3mm, Middle straight 203mm .

All datas are obtained by measuring the new produce product .

tuzhi

NO.Leaf

W&T(mm)

Length(mm)

Per Weight(kg)

Assy Weight(kg)

1

76*20

578+546

12.35

26

2

76*20

383+383

8.28

3

76*20

235+235

4.84

TRA2728 Leaf Spring Detail Photos

1
2

Key Points Keep The High Quality

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

Production Process

material-cutting

1.Material Cutting

Edge-Cutting

4.Edge Cutting

Stress-Peening

7.Stress Peening

Punching

2.Punching

Quenching

5.Quenching

Assembling

8.Assembling

Eye-Rolling

3.Eye Rolling

Tempering

6.Tempering

Painting

9.Painting

FAQ

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 )

Product detail pictures:

Fast delivery Tractor Leaf Spring Spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang detail pictures

Fast delivery Tractor Leaf Spring Spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang detail pictures

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The client satisfaction is our primary concentrate on. We uphold a consistent level of professionalism, top quality, credibility and service for Fast delivery Tractor Leaf Spring Spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang, The product will supply to all over the world, such as: Lesotho, Auckland, Moldova, Our items are widely recognized and trusted by users and can meet continuously developing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
    • This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
    5 Stars By Tony from Ethiopia - 2018.09.08 17:09
    This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
    5 Stars By Dorothy from French - 2018.02.12 14:52

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