Discount wholesale Light Duty Trailer Leaf Springs - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang

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  • Discount wholesale Light Duty Trailer Leaf Springs - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang
  • Discount wholesale Light Duty Trailer Leaf Springs - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang

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We know that we only thrive if we could guarantee our combined price tag competiveness and quality advantageous at the same time for Actors 1831 Leaf Spring , Big U Bolts , Suspension Bushing , We hope we can have a friendly relationship with businessman from all over the world.
Discount wholesale Light Duty Trailer Leaf Springs - 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:

Discount wholesale Light Duty Trailer Leaf Springs - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang detail pictures

Discount wholesale Light Duty Trailer Leaf Springs - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang detail pictures

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Reliable quality and good credit standing are our principles, which will help us at a top-ranking position. Adhering to the tenet of "quality first, customer supreme" for Discount wholesale Light Duty Trailer Leaf Springs - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang, The product will supply to all over the world, such as: The Swiss, Sevilla, Mauritius, With the superior and exceptional service, we are well developed along with our customers. Expertise and know-how ensure that we are always enjoying the trust from our customers in our business activities. "Quality", "honesty" and "service" is our principle. Our loyalty and commitments remain respectfully at your service. Contact Us Today For further information, contact us now.
    • It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
    5 Stars By Miguel from Croatia - 2017.10.13 10:47
    The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
    5 Stars By Modesty from Belgium - 2018.07.27 12:26

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