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20# 45# 16Mn Inch or metric diameter honed tubing GB/T3639-2000 Standard 

Place of Origin: Zhejiang, China (Mainland) 
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Inch or metric diameter honed tube, Inch tube High precision seamless honed tubes
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Inch or metric diameter honed tube, Inch tube High precision seamless honed tubes
 
 
Specifications
Material: 20# 45# 16Mn 27SiMn   ST52,BK+S,DIN2391,ASTM A 106 
Standard: GB/T8713-88 GB/T3639-2000 DIN 2391 EN10305 
Straightness: 0.3~0.8mm/m
 
We are a professional hydrauli cylinder and  chrome plated rod and shaft manufacturer that designs and manufactures Custom Hydraulic Cylinders used in a variety of applications. We believe that our expertise in specialized cylinders, coupled with our highly advanced equipments, enables us to provide you with superior transmission solutions. 
 

material

hardness(HB)

thickness(mm)

internal diameter(mm)

20#/16Mn

200-220

2.5~5.5

38.1 (1")

 

 

3~6.25

44.45 (1.75")

 

 

4~6.5

50.8 (2")

 

 

4.5~7

63.5 (2.5")

 

 

4.5~7.5

76.2 (3")

 

 

5~9.5

88.9 (3.5")

 

 

5~10.5

101.6 (4")

 

 

6~12

114.3 (4.5")

 

 

6.5~13

127 (5")

 

 

6.5~14.5

139.7 (5.5")

 

 

6.5~17

152.4 (6")

 
 
 
 

End Shape

Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as 

per customer's requirements

 

Surface 
Treatment
 

Oiled, Galvanized, Phosphate Plastic injection etc
 

 

Technique 

Cold drawn

 

Application

1. Automotive and mechanical pipes

 

2. Petroleum cracking pipes

 

3. High Pressure Boiler Pipe

 

4. Low and middle pressure fluid transportation pipeline

 

5. Chemical fertilizer equipment pipes

 

6. Heat exchange pipes

 

Delivery
Conditions
 

1. BK (+C) 

No heat treatment after last cold forming process.

 

2. BKW (+LC)

After last heat treatment there is a light finishing pass .

 

3. BKS (+SR)

After the final cold forming process the tubes are stress relieve annealed.

 

4. GBK (+A)

After the final cold forming process the tubes are annealed in a controlled 

atmosphere.

 

5. NBK (+N)

After the final cold forming process the tubes are annealed above the

 upper transformation point in a controlled atmosphere. 

 

Package

1. Bundle Packing.

 

2.According to the customer request
 

 

3. Wrapped in waterproof paper.

 

4. Sackcloth with several steel strips.

 

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 Mr. Wang

Tel: 86-510-85592908
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Company Info

Wuxi Jinlifang Seiko Technology Co., Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Wuxi
Province/State: Jiangsu
Country/Region: China (Mainland)

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