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2020 China Brand Online Fair
Chassis tube

Chassis tube

Main target market:
Southeast Asia / Europe
Minimum order quantity :
Collection of exhibits
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Exhibit parameters

  • Exhibit code：SN017658
  • Size of exhibits（mm）：Circular: 38-75 mm Wall thickness: 1.0-6.0mm Length: 5800 mm
  • Model of exhibits：
  • Materials of exhibits：SPHF590
  • Color of exhibits：
  • Place of delivery：China-HE BEI -SHI JIA ZHUANG
  • Raw material production place：China-HE BEI -SHI JIA ZHUANG
  • Features of exhibits：
HEBEI CBIES AUTOMOTIVE PARTS CO.，LTD.
Collection

Details of exhibits

Chassis Tube

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Cbies Automotive is committed to creating more energy-saving, safe and lightweight products

CBIES AUTOMOTIVE’s methods to achieve lightweight: Material replacement-we use high strength steel instead of ordinary steel, on the basis of ensuring product quality, through reducing the diameter and wall, reduce the cost, to achieve automotive lightweight.

Chassis structure mainly includes: front and rear sub-frame, control arm, steering knuckle, suspension link and so on, and they have different degrees of lightness. Lightweight is an ongoing process. The main goal is to lose weight. On the basis of weight loss, there are many benefits, such as reducing on-wheel load, some improving the economical efficiency of fuel, etc.

 

Dimension Range


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Specifications and Unit Weight



OD

1.0mm (kg/m）

1.2mm (kg/m）

1.5mm (kg/m）

1.8mm (kg/m）

2.0mm (kg/m）

2.3mm (kg/m）

2.5mm (kg/m）

3.0mm (kg/m）

38mm

0.91

1.09

1.35

1.61

1.78

2.02

2.19

2.59

40mm

0.96

1.15

1.42

1.70

1.87

2.14

2.31

2.74

42mm

1.01

1.21

1.50

1.78

1.97

2.25

2.44

2.89

45mm

1.09

1.30

1.61

1.92

2.12

2.42

2.62

3.11

48mm

1.16

1.38

1.72

2.05

2.27

2.59

2.81

3.33

51mm

1.23

1.47

1.83

2.18

2.42

2.76

2.99

3.55

54mm

1.31

1.56

1.94

2.32

2.56

2.93

3.17

3.77

60mm

1.45

1.74

2.16

2.58

2.86

3.27

3.54

4.22

75mm

1.82

2.18

2.72

3.25

3.60

4.12

4.47

5.33

 

Mechanical properties



Grade

Tensile Strength RP0.2

(min MPa)

Yield Strength Rm

(min MPa)

Elongation A

(min %)

SPHF590

420

590

19

 

Chemical Components


Grade

C

Max(%)

Si

Max(%)

Mn

Max(%)

P

Max(%)

S

Max(%)

Al

Min(%)

SPHF590

0.18

0.60

2.00

0.025

0.025

0.010

 

 

 

 

 

 

Tolerance



Characteristic

Circular precision tubes
Tolerances based on the requirements of JIS G 3445 or EN10305-3

Outside diameter (D) 


35 ≤ D < 40
40 ≤ D < 50
50 ≤ D < 60

60 ≤ D < 70

70≤ D < 80

±0.15mm
±0.18 mm
±0.20 mm

±0.23 mm

±0.25 mm

Out-of-roundness

The diameter tolerances include the out-of-roundness

Thickness (T)

T≤ 2.0mm: ±0.15 mm
T>2.0 mm: ±8% of nominal thickness

Straightness

Maximum 0.1% of measured length

Height of internal weld bead, g;


Bead removed
Bead not removed

g ≤ 0.3 mm
g < 1.0 mm, when T ≤ 1.5 mm
g < 0.8 x T, when 1.5 mm < T ≤ 2.0 mm

Mill length

0/+50 mm, standard length 6000 mm

Exact length, single cutting

±0.5 mm

 

We can customize according to customer requirements.

Quality Control


Raw materials: Test for chemical components, mechanical properties and thickness;

The first tube: Determine the mechanical properties, tolerance of outer diameter, wall thickness, length and take eddy current inspection of steel pipes;

Production stage: Spot check as planned;

Finished stage: Confirm the performance and length of steel pipe; Test pictures at each stage.

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Production Equipments



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Testing Instruments



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Process Flow



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