• One-Stop

    Product Solution

    We offer high-quality and complete product line with one-stop shop
    for global customers.

Pipe / Tube
Stainless Steel
Carbon Steel

Carbon Steel Welded Pipes / Tubes
Available Specification
API SPEC 5CT  
Product Name
Executive Standard
Dimension (mm)
Steel Code / Steel Grade
Casting
API 5CT
48.3~273 x 2.77~11.43
J55, K55, N80, L80
Tubing
API 5CT
48.3~273 x 2.77~11.43

J55, K55, N80, L80, H40

API SPEC 5L  
Product Name
Executive Standard
Dimension (mm)
Steel Code / Steel Grade
Line Pipes
API 5L
60.3~273.1 x 2.77~12.7
A25, A, B, X42, X46, X52, X56, X60, X65
ASTM / ASME  
Product Name
Executive Standard
Dimension (mm)
Steel Code / Steel Grade
Electric-Resistance-welded Steel Pipes
ASTM A135
42.2~114.3 x 2.11~2.63
A
ERW and Hot-dip galvanized Steel Pipes
ASTM A53
21.3~273 x 2.11~12.7

A, B

Pipes for Piling Usage
ASTM A252
219.1~508 x 3.6~12.7
Gr2, Gr3
Tubes for General Structural Purpose
ASTM A500
21.3~273 x 2.11~12.7
Carbon Steel
Square Pipes for General Structural Purpose
ASTM A500
25 x 25~160 x 160 x 1.2~8.0
Carbon Steel
DIN  
Product Name
Executive Standard
Dimension (mm)
Steel Code / Steel Grade
Threaded Steel Pipes
DIN 2440
21~164 x 2.65~4.85
Carbon Steel
BS
Product Name
Executive Standard
Dimension (mm)
Steel Code / Steel Grade
Screwed and Socketed Steel Tubes
BS 1387
21.4~113.9 x 2~3.6
Carbon Steel
EN  
Product Name
Executive Standard
Dimension (mm)
Steel Code / Steel Grade
Scaffolding Pipes
EN 39
48.3 x 3.2~4
Carbon Steel
JIS  
Product Name
Executive Standard
Dimension (mm)
Steel Code / Steel Grade
Carbon Steel Tubes for General Structure Purpose
JIS G3444
21.7~216.3 x 2.0~6.0
Carbon Steel
Carbon Steel Tubes for Machine Structure Purpose
JIS G3445
15~76 x 0.7~3.0

STKM11A, STKM13A

Carbon Steel Pipes for Ordinary Piping
JIS G3452
21.9~216.3 x 2.8~5.8
Garbon Steel
Carbon Steel Pipes for Pressure Service
JIS G3454
21.7~216.3 x 2.8~7.1
Carbon Steel
Carbon Steel Rigid Steel Conduits
JIS G8305
21~113.4 x 1.2~3.5
G16~G104, C19~C75, E19~E75
Carbon Steel Rectangular Pipes for General Structure
JIS G3466
16 x 16~150 x 150 x 0.7~6
Carbon Steel