Size range
Outer Diameter: 1.5mm-60mm
Wall Thickness: 0.3mm to 10mm
(%)Chemical Composition
Standard |
Steel Grade |
Material Number |
C MAX |
Si MAX |
Mn |
P MAX |
S MAX |
---|---|---|---|---|---|---|---|
DIN 2391 |
ST35 |
1.0308 |
0.17 |
0.35 |
≧0.4 |
0.025 |
0.025 |
ST45 |
1.0408 |
0.21 |
0.35 |
≧0.4 |
0.025 |
0.025 |
|
ST52 |
1.058 |
0.22 |
0.55 |
≦1.60 |
0.025 |
0.025 |
|
DIN 1629 |
ST37 |
1.0254 |
0.17 |
0.55 |
≦1.60 |
0.04 |
0.04 |
ST44 |
1.0258 |
0.21 |
0.55 |
≦1.60 |
0.04 |
0.04 |
|
ST52 |
1.0421 |
0.22 |
0.55 |
≦1.60 |
0.04 |
0.035 |
|
DIN1630 |
ST37.4 |
1.0255 |
0.17 |
0.35 |
≧0.35 |
0.04 |
0.04 |
ST44.4 |
1.0257 |
0.21 |
0.35 |
≧0.4 |
0.04 |
0.04 |
|
ST52.4 |
1.0281 |
0.22 |
0.55 |
≦1.60 |
0.04 |
0.035 |
Mechanical properties
Standard |
Steel Grade |
Material Number |
BK |
BKW |
BKS |
GBK |
NBK |
|||||||
Rm Tensile Strength (Mpa) |
A Elongation(%) |
Rm Tensile Strength (Mpa) |
A Elongation(%) |
Rm Tensile Strength (Mpa) |
Rel Yield Strength(Mpa) |
A Elongation(%) |
Rm Tensile Strength (Mpa |
A Elongation(%) |
Rm Tensile Strength (Mpa) |
Rel Yield Strength(Mpa) |
A Elongation(%) |
|||
DIN 2391 |
ST35 |
1.0308 |
480 |
6 |
420 |
10 |
420 |
315 |
14 |
315 |
25 |
340-470 |
235 |
25 |
ST45 |
1.0408 |
580 |
5 |
520 |
8 |
520 |
375 |
12 |
390 |
21 |
440-570 |
255 |
21 |
|
ST52 |
1.058 |
640 |
4 |
580 |
7 |
580 |
420 |
10 |
490 |
22 |
490-630 |
355 |
22 |
|
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Standard |
Steel Grade |
Material Number |
Yield Strength Reh (Mpa) |
Tensile strength Rm (Mpa) |
Elongation A |
|
|
|
|
|
||||
DIN 1629 |
ST37 |
1.0254 |
235 |
350-480 |
25 |
|
|
|
|
|
|
|
|
|
ST44 |
1.0258 |
275 |
420-550 |
21 |
|
|
|
|
|
|
|
|
|
|
ST52 |
1.0421 |
355 |
550-650 |
22 |
|
|
|
|
|
|
|
|
|
|
DIN1630 |
ST37.4 |
1.0255 |
235 |
350-480 |
25 |
|
|
|
|
|
|
|
|
|
ST44.4 |
1.0257 |
275 |
420-550 |
21 |
|
|
|
|
|
|
|
|
|
|
ST52.4 |
1.0281 |
355 |
550-650 |
22 |
|
|
|
|
|
|
|
|
|
Certificates: according to EN 10204 3.1
Inspection Items: Tensile stength, Yield stength, Elongation, Flattenging, Flaring
Chemical analysis
Eddy Current Test 100%, Size and surface checking 100%
Other test item can be arranged as per request
Additional surface treatment:
1. Black phosphated
2. Galvanizing ( White/silver galvanizing, Yellow or Olive green galvanizing is avaible)
APPLICATIONS
1. Automotive fields
A. Powertrain system: Fuel lines, oil lines, common rail diesel lines,Piston-Cooling Jets,Oil- & Water-Cooling Pipes,Rigid Pipes.
B. CNG (Compressed Nature Gas) tube-- Burst pressure: 1307Bar, Working Pressure: around 350bar.
C. Drive transmission: Steering column elements (power steering feed pipe),Gear shafts(Ingrain gear pipes).
D. Fluid handling system: Tube assemblies,Air condition tube, Clutch actuator pipes.
E. Others like hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel drive shafts,Sunshading board wire tube.
2. Hydraulic Fields
A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension system.
B. Hydraulic cylinders (HPZ).
3. Mechanical Usage
4. Marine industries
5. Boiler industry, Air condition industry, Power station equipments, Mahine tools industry, Aeronautics and Astronautics, Petrochemical and others.