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Heat Treatment DIN2391 Precision Steel Tubing
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Heat Treatment DIN2391 Precision Steel Tubing

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Heat Treatment DIN2391 Precision Steel Tubing with Thick Wall for Automotive Engineering

 

 

Quick Detail:

 

Standard: DIN 2391  EN10305-1, EN10305-4, BS 6323,  ISO 8535

Grade: St 30 Si / St 30 Al / St 35 / St37 / St37.4 / St45 / St 52 / St52.4 / E215 / E235 / E355
Size:(mm)

Out Dimensions: 6 mm ~ 350 mm
Wall Thickness: 0.8 mm ~30mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)   

 

 

Description:

 

Precision steel tube 
Precision in size,Bright for the surface, high ability of mechanical performance  

 

Standard: DIN 2391, EN10305-1, EN10305-4, BS 6323,  ISO 8535

STEEL GRADE: ST30Si, ST30Al, ST35, ST37, ST37.4, ST45, ST52, ST52.4, etc

  

 

SURFACE TREATMENTS

 

1. Bare Tube (No coating): Bright and smooth, Surface Roughness both inner and outer surface 

0.2Ra Maximum for special requirement

2. Surface Coating

 A. Silver galvanized

 B. Yellow galvanized

 C. Olive green coated

Layer thickness: 8-20um, Salty Spray Test: 48-150 hours

3.  Black phosphate

 

 

APPLICATIONS

 

1. Automotive fields

 A. Fuel injection lines/nozzles

 B. CNG (Compressed Nature Gas) tube-- Burst pressure: 1307Bar, Working Pressure: around 350bar

C. Drive transmission: Steering column elements

 D. Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel drive shafts

2. Hydraulic Fields

A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension 

B. Hydraulic cylinders (HPZ)

 

 

Chemical Composition:

 

Steel grade

Chemical composition, as a percentage by mass

Symbol

Material number

C
max.

Si
max.

Mn

P
max.

S
max.

St 30 Si

1.0211

0.10

0.30

<=0.55

0.025

0.025

St 30 Al

1.0212

0.10

0.05

<=0.55

0.025

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Mr. Charlie Zhu
Tel: 86-25-58439035
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Huacheng Industry Pipe Making Corporation.
337 Renmin(E), Tangqiao Town, Zhangjiagang City, Nanjing, Jiangsu, China (Mainland)
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