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Contact: Mrs.Yao
Phone:(+86)13771551070
Contact: Mr.Zhou
Phone:(+86)13812059096
Tel: +86-510-83831286
Fax: +86-0510-83831286
E-mail: sales@wxlongwei.com
Address: Yaxi industrial Park, Luoshe Town, Wuxi City, Jiangsu
Stainless Steel 304 Hydraulic Precision Piston Rod

Stainless Steel 304 Hydraulic Precision Piston Rod

Stainless steel rod basic info: External Diameter Accuracy: h7 h8 h9 f7 f8 Hard chromium thickness: 20 Micron+10% surface hardness: HV850 (Minimum)up Surface roughness: Ra 0.2um-Ra0.4um Straightness: 0.1-0.15 (mm/m) Ellipticity: 30%Tol Standard length: 2M-6M (Customizable) Texture of material:...

Stainless steel rod basic info:
External Diameter Accuracy: h7 h8 h9 f7 f8
Hard chromium thickness: 20 Micron+10%
surface hardness: HV850 (Minimum)up
Surface roughness: Ra 0.2um-Ra0.4um
Straightness: 0.1-0.15 (mm/m)
Ellipticity: 30%Tol
Standard length: 2M-6M (Customizable)
Texture of material: 301 303 304 304L 316L 321


图片21.jpg


Mensional tolerance standard comparison

ia.Or Distance Across(mm)

(h7)

(h8)

(h9)

(h10)

(h11)

(f7)

(f8)

3Max.

0

0

0

0

0

-0.006

-0.006

-0.010

-0.014

-0.025

-0.040

-0.060

-0.016

-0.020

3/6

0

0

0

0

0

-0.010

-0.010

-0.012

-0.018

-0.030

-0.048

-0.075

-0.022

-0.028

6/10

0

0

0

0

0

-0.013

-0.013

-0.015

-0.022

-0.036

-0.058

-0.090

-0.028

-0.035

10/18

0

0

0

0

0

-0.016

-0.016

-0.018

-0.027

-0.043

-0.070

-0.110

-0.034

-0.043

18-30

0

0

0

0

0

-0.020

-0.020

-0.021

-0.033

-0.052

-0.084

-0.130

-0.041

-0.053

30-50

0

0

0

0

0

-0.025

-0.025

-0.025

-0.039

-0.062

-0.100

-0.160

-0.050

-0.064

50-80

0

0

0

0

0

-0.030

-0.030

-0.030

-0.046

-0.074

-0.120

-0.190

-0.060

-0.076

80-120

0

0

0

0

0

-0.036

-0.036

-0.035

-0.054

-0.087

-0.140

-0.220

-0.071

-0.090


Straight steel bar product quality list

Quality Element

Round

Square

Hex

HR

ST

CD

CG

CT

HR

CD

CD

Size Tolerance

GB702-3

h12-h10

h11-h8

h9-h7

h8-h7, f8-f7

GB702-3

h12-h11

h12-h11

straightness(mm/m)

6.00

1.00

0.50

0.10

0.10

6.00

1.00

1.00

Ovality(%)

70-75%

30%Tol

30%Tol

30%Tol

30%Tol

\

\

\

Roughness(um)

\

Ra3.2

Ra1.6

Ra0.8

Ra0.4

\

Ra1.6

Ra1.6


Our Advantages
a. Extensive production experience: we are specialized in cylinder, piston rod and cylinder barrel with an experience of 10 years.
b. Complete production facilities: owning precision straightening machine, fine polishing machine, precision lathe and other advanced equipments. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.
c. High quality raw material: we mainly choose raw material from big steel factory, such as TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.
d. Strict Physical/Chemical testing procedures: meeting the requirements of the product design and process, providing reliable testing data.



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