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Growing togather company Doowon High Steel
ABOUT US
Growing togather company Doowon High Steel
SUS PIPE
Growing togather company Doowon High Steel
NONFERROUS PIPE
Growing togather company Doowon High Steel
C.S PIPE / ALLOY PIPE
Growing togather company Doowon High Steel
SQUARE
Growing togather company Doowon High Steel
Manufacturing
Growing togather company Doowon High Steel
Customer
C.S PIPE / ALLOY PIPE
Welded Carbon Steel Pipe
Welded Carbon Steel Pipe
Pipings for shipbuildings, oil refinery and petrochemical plants

1. Arc Welded Carbon Steel Pipes for Pipings Used for steam, water, oil, gas and air piping with relatively low working pressure

2. Carbon Steel Tube for General Structures Used for civil engineering, construction, steel towers, ground slide piles (O.D : less than 318.5mm), pilars, and other structures
Applications
Oil & Gas Line
Shipbuilding
Piling Works
Production Range
Type
Carbon Steel Welded Pipe
Out Diameter(mm, Inch)
219.08~3556 (8~140)
Thickness(mm)
Max 80
Pipe Length(m)
Max 16
KS
KS D 3583
KS D 3566
JIS
JIS G 3457
JIS G 3444
ASTM
A134/A139/A671/A672/A691
EN
EN 10210, EN 10217, EN10225
API
5L, 2B, 2W, 2H
Manufacturing Process
1
Plates Storage
2
Plasma & Gas Cutting
3
Edges Beveling
4
Forming
5
Internal Welding
6
External Welding
7
Post Weld Heat Treatment
8
Straightening
9
Hydrostatic Test
10
X-Ray Control
11
Pipe End Beveling
12
Pickling or Passivation
13
Final Inspection
14
Marking, DP, Color Coding, Packing
Production Range Table
Tolerances
Chemical Composition
Mechanical Properties
Greetings Organization Chart Certtificate
Headquarter & Sangdong Facilities 87, Sorak-ro, Sangdong-myeon, Gimhae-si, Gyeongsangnam-do
TEL:82-55-345-3613
FAX:82-55-345-3614
E-mail:doowonco@daum.net
Jangbang Facilities 339, Jangbang-ro, Hallim-myeon, Gimhae-si, Gyeongsangnam-do
Copyright(c) HYUNDAI RB Corporation All Rights Reserved.