Automotive Galvanized Precision Steel Round Tubing Heat Treatment DIN2391 St52.4
| Place of Origin: | Zhejiang |
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Company Profile
| Location: | Shenzhen, Guangdong, China (Mainland) |
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| Business Type: | Manufacturer |
| Main Products: | Seamless Stainless Steel Pipes, Welded Stainless Steel Pipe, Seamless Carbon Steel Pipe |
Product Detail
| Model No.: | BS 6323 |
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Product Description
Automotive Galvanized Precision Steel Round Tubing Heat Treatment DIN2391 St52.4
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)
Detailed Product Description
|
Features: |
Thick Wall, Thin Wall |
Certificate: |
PED, ISO, BV, TUV |
|
Delivery Condition: |
Annealed, Normalized, Heat Treatment, BK, BKS, BKW, NBK, GBK |
Product Name: |
Precision Steel Tube |
|
Section Shape: |
Round |
Standard: |
EN10305-1, EN10305-4, BS 6323, DIN 2391, ISO 8535 |
|
Surface Treatment: |
Galvanized |
Heat Treatment DIN2391 Precision Steel Tubing with Thick Wall for Automotive Engineering
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 |
Si |
Mn |
P |
S |
|
St 30 Si |
1.0211 |
0.10 |
0.30 |
<=0.55 |
0.025<
| |