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Kumkang Pipe
Company Name Kumkang Pipe Co., Ltd.  Company Information   
Address , , Kyungbuk
TEL
Category Non-automotive /
Keyword pipe,steel pipe
Detailed Description

Product Spec.

T(mm)
O.D
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10-15
                                    
15-20
                                    
20-25
                                    
25-30
                                    
30-35
                                    
35-40
                                    
40-45
                                    
45-50
                                    
50-55
                                    
55-60
                                    
60-65
                                    
65-70
                                    
70-75
                                    
75-80
                                    
80-85
                                    
85-90
                                    
95-100
                                    

Machines & facilities list

Machines & facilities
Process
Number
Heat process equipment
Annealing
1
Dawning M/C
Dawning
4
Straightening M/C
Straightening
2
Swaging M/C
Swaging
4
Cutting M/C
Cutting
8
Chamfering M/C
Chamfering
9
Shot blaster
shot
1
Chemical treatment LINE
Surface treatment
1 Line

Process

No.
Process
Picture
Explain
1
Raw material
To purchase ERW PIPE
2
Annealing
To remove the stress of steel by heating in order to prevent crack
3
Surfae
treatment
(Descale)
To remove scale after annealing process by acid
4
Surface treatment
(phosphate membrane)
To make phosphate membrane on surface of steel pipe. It increases antirust, abrasion resistance
5
Surface treatment
(Descale)
To present lubrication between steel and dies in order to remove friction. Therefore, it protects the products.
6
Drawning
To drag a steel pipe into Dies. It treats inside & outside diameter precisely
7
Straightening
  To straighten pipe after drawing
8
Cutting
  To cut the pipe
9
Checking
&
Packing
To check the products by the gage
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