Best Price on HD 78 Leaf spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang

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  • Best Price on HD 78 Leaf spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang
  • Best Price on HD 78 Leaf spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang

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To continually enhance the management technique by virtue of your rule of "sincerely, great faith and high-quality are the base of company development", we widely absorb the essence of similar merchandise internationally, and continuously build new merchandise to meet the demands of customers for U Bolt With Rubber Sleeve , Actors leaf spring , Large U Bolts , And there are also a lot of overseas close friends who came for sight seeing, or entrust us to buy other stuff for them. You will be most welcome to come to China, to our city and to our manufacturing facility!
Best Price on HD 78 Leaf 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:

Best Price on HD 78 Leaf spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang detail pictures

Best Price on HD 78 Leaf spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang detail pictures

Related Product Guide:
Our development depends on the advanced equipment ,excellent talents and continuously strengthened technology forces for Best Price on HD 78 Leaf spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang, The product will supply to all over the world, such as: Philippines, Nepal, Cairo, Company name, is always regarding quality as company' s foundation, seeking for development via high degree of credibility , abiding by ISO quality management standard strictly, creating top-ranking company by spirit of progress-marking honesty and optimism.
    • In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
    5 Stars By Liz from Lesotho - 2017.11.01 17:04
    The quality of the products is very good, especially in the details, can be seen that the company work actively to satisfy customer's interest, a nice supplier.
    5 Stars By Odelia from Sevilla - 2017.05.21 12:31

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