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Pipe / Tube
Stainless Steel
Carbon Steel

Carbon Steel Seamless Pipes / Tubes
Available Specification
API SPEC 5CT  
Product Name
Executive Standard
Dimension (mm)
Steel Code / Steel Grade
Casting
API 5CT
114~219 x 5.2~22.2
J55, K55, N80, L80, P110
Tubing
API 5CT
48.3~114.3 x 3.2~16

J55, K55, N80, L80, H40

API SPEC 5L  
Product Name
Executive Standard
Dimension (mm)
Steel Code / Steel Grade
Line Pipes
API 5L
10.3~1200 x 1.0~120
A, B, X42, X46, X52, X60, X70, X80, PSL1 / PSL2
ASTM / ASME  
Product Name
Executive Standard
Dimension (mm)
Steel Code / Steel Grade
Black and Hot-dipped Zinc-coated Steel Pipes Seamless
ASTM A53
10.3~1200 x 1.0~150
GR.A, GR.B, GR.C
Seamless Carbon Steel for High Temperature Service
ASTM A106
10.3~1200 x 1.0~150
GR.B, GR.C
Seamless Cold-drawn Low-Carbon Steel
Heat-Exchanger and Condenser Tubes
ASTM A179
10.3~426 x 1.0~36
Low Carbon Steel
Seamless Carbon Steel Boiler Tubes for High Pressure
ASTM A192
10.3~426 x 1.0~36
Low Carbon Steel
Seamless Cold-drawn Intermediate Alloy Steel Heat-exchanger and Condenser Tubes
ASTM A199
10.3~426 x 1.0~36
T5, T22
Seamless Medium-carbon Steel Boiler and Superheater Tubes
ASTM A210
10.3~426 x 1.0~36
A1, C
Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-exchanger Tubes
ASTM A213
10.3~426 x 1.0~36
T5, T9, T11, T12, T22, T91
Seamless Carbon and Alloy Steel for Mechanical Tubing
ASTM A333
1/4"~42" x SCH20~XXS
Gr1, Gr3, Gr6
Seamless and Welded Carbon Steel Pipes and Alloy Steel Pipes for Low Temperature Use
ASTM A334
1/4"~4" x SCH20~SCH80
Gr1, Gr6
Seamless Cold-drawn Carbon Steel Feedwater Heater Tubes
ASTM A556
10.3~426 x 1.0~36
A2, B2
GS
Product Name
Executive Standard
Dimension (mm)
Steel Code / Steel Grade
eamless Steel Tubes for Elevated Temperature
DIN 17175
10~762 x 1.0~120
St35.8,St45.8, 10CrMo910, 15Mo3, 13CrMo44, STPL340, STB410, STB510, WB36
Seamless Steel Tubes
DIN 1629 / DIN 2391
13.5~762 x 1.8~120
St37.0, St44.0, St52.0, St52.3
Seamless Steel Tubes
DIN 2440
13.5~165.1 x 1.8~4.85
St33.2
Seamless Steel Pipes for Structural Purpose
DIN 2393
16~426 x 1.0~36
RSt34-2, RSt37-2, 
RSt44-2,St52
BS  
Product Name
Executive Standard
Dimension (mm)
Steel Code / Steel Grade
Seamless Steel Tubes for Machine Structural
BS 970
10~762 x 1.0~120
Carbon Steel
Seamless Steel Tubes for Boiler and Heat Exchangers
BS 3059
10~762 x 1.0~120
360, 410, 440, 460, 490