Raw materials

Steel pipe and pipe fittings

Seamless steel pipe/ SMLS

Out diameter:

1/4"-36"

Wall thickness:

1.25mm-50mm

Length:

3m-12m

Types:

Hydraulic pipe

Boiler Tube

Fluid Pipe

Fire Pipe

Line Pipe

Structure Tube

Application:

Water underground
Sewage Treatment
Steel scaffolding
Transporting oil & gas
Boiler and condenser tubes
High-pressure applications
Chemical processing

ASTM Standard for seamless steel pipe

Executive Standard

Grade

Product Name

ASTM A53

A, B

Black and Hot-Dipped Zinc-Coated Steel Welded and Seamless

ASTM A106

A, B

Seamless Carbon Steel for High Temperature Service

ASTM A179

Low Carbon Steel

Seamless Cold-Drawn Low-Carbon Steel Heat Exchanger and Condenser Tubes

ASTM A192

Low Carbon Steel

Seamless Carbon Steel Boiler Tubes for High Pressure
ASTM A312 TP304/304L, TP316/316L Seamless Steel Pipe for Stainless Materials
ASTM A333 Gr.6 Seamless and Welded Steel Pipe for Low-Temperature Service

ASTM A335

P5, P11, P12, P22

Seamless Ferritic Alloy Steel Pipe for High-Temperature Service

ASTM A210

A1, C

Seamless Medium-Carbon and Alloy Steel Boiler and Superheater Tubes

ASTM A213

T5, T11, T12, T22

Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-Exchanger Tubes

ASTM A519

4130,4140

Seamless Carbon and Alloy Steel for Mechanical Tubing


API Standard for seamless steel pipe

Executive Standard

Grade

Product Name

API Spec 5CT

J55, K55, N80, L80,C90, C95, T95, P110, M65

Spectification for Casing and Tubing

API Spec 5L

A,B X42, X46, X52, X56, X60, X65,. X70

Specification for Line Pipe

DIN / EN Standard for seamless steel pipe

Executive Standard

Grade

Product Name

DN 17175/EN10216-2

ST35, ST45, ST52, 13CrMo44

Seamless Steel Tube for Elevated Temperature

DIN 2391/EN10305-1

St35, St45, St52

Cold Drawn Seamless Precision Pipe

DIN 1629/EN10216-1

St37, St45, St52

Seamless Circular unalloyed Steel Tubes Subject to Special Requirments
Location : Lugu Avenue,Hi-Tech Industrial Development Zone, 410205 Changsha,
Contact : Jiang Raya, +15 8 73 29 34 56

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