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Hydraulic Cylinder

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Spec

  • Type :  Hydraulic

Key Features

HONING SEAMLESS STEEL PIPE

 

REMARK :  
Internal Diameter Accuracy : H7、H8、H9
Internal Roughness : Ra 0.2μm~ Ra 0.8μm
Standard Length : 3M~11M
Special Length : 12M
Internal Diameter : 18mm~300mm
Material : JIS STKM13C, DIN ST52, SAE1020 or Mechanical Construction Use Carbon Steel Pipes,Other Specifications Can be made Customer Request based on.
 
CHEMICAL ANALYSIS & MECHANICAL PROPERTIES

Spec

Kind

Mark

Manufacture

CHEMICAL COMPOSITION %

C

Si

Mn

P

S

 

13

A

STKM 13A

S
E

0.25 >

0.35 >

0.30
-
0.90

0.040
Under

0.040
Under

B

STKM 13B

C

STKM 13C


INDUCTION

TENSILE TEST

BEND TESTFLATTENING TEST

TENSILE
(Kgf/)

YIELD
(Kgf/)

ELOVG(%)

BEND
ANGLE

INSIDE
RADIUS

OUTSIDE
RADIUS

Test Piece
11th 12 th
L

5 th
Test Piece
V

 

380

220

30

25

90

6D

2/3D

450

310

20

15

90

6D

3/4D

520

390

15

10

 
FORMULA OF PIPE WALL THICKNESS PRESSURE RESISTANT GAUGE

t = P. D./200 S

t = Wall Thickness (mm)
P = The Largest Pressure (Kg/)
D = Steel Pipe Inside Diameter (mm)
S = σ / 5 Kg /

σ = The Lowest Numerical Value of Elongation (Kg/)

 

HARD CHROMIUM PISTON RODS

 

REMARK :
External Diameter Accuracy : f 8
Surface Roughness : Ra0.2μm~Ra0.4μm
Hard Chrome Thickness : 20Micron ± 10%
Surface Hardness : HV 850(Minimum) up
Standard Length : 3M~6M up
Standard Size : 6 ~ 200
Material : JIS S45C, SAE1045, DIN CK45,
Special Specifications & materials can be Custom-made
 
Purpose :
Piston rod (chromed-plated steel bar)for pneumatic and hydraulic cylinder,
 

Spec

Chemical Analysis (%)

ForgingTemperature

JIS

DIN

C

Si

Mn

P

S

° C

S45C

CK45

0.42-0.48

0.15-0.35

0.60-0.90

<0.030

<0.035

1050-1150
Slow Cooling


Induction Machine Function Application
Normalizing °C Annealing °C Quenching °C Tempering °C Yield Point
(Y.P)Kgf/
Tensile Strength
(T.S)Kgf/
Elongation
(EL)%
twist
%
Hardness HB
820-870
Air Cooling
      >35 >58 >20 ---- 167-229 Bend Axle Axles
810 Furnace Cooling    
---- 820-870 Water Cooling 550-650 Quenching ---- ---- ---- ---- 137-170
---- ---- >50 >70 >17 >45 204-269
 
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Main Export Market

Asia, Middle East, Europe, Africa, South America, Oceania, Other

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Payment Details

  • Payment Terms : TT ,L/C

Last Update : 2016-11-15
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To:

Ms.Fang Sharon , GOLDEN ASIA INDUSTRIAL CO., LTD.

 
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