Seamless Carbon Steel Tube

Standard

API 5L, API 5CT, ASTM A106/A53, ASTM A519, JIS G 3441, JIS G3444, JIS G3445, DIN 2391, EN10305, EN10210, ASME SA106, SA192 SA210,SA213,SA335, DIN17175, ASTM A179

Out Diameter

10.3- 1016mm

Wall Thickness

1.0-100mm

Pipe Length

Fixed length, random length SRL, DRL or as required

Material

ASTM A106 carbon seamless steel pipe

Steel Grade

API 5L, GR B, X42, X46, X56, X60,X65,X70
ASTM A53.A106: GR A, GR B, GR C
ASME SA106: GR. A, GR.B, GR.C
ASME SA192: SA192
ASME SA209M: T1, T1a
ASME SA210: GR.A-Q, GR.C
ASME SA213: T2, T5,T9, T11, T12, T22
ASME SA335: P2, P5, P9, P11, P12, P22, P91
DIN7175: ST35.8,ST45.8,15Mo3, 13CrMo44

Heat Treatment

Annealed: Bright annealed, Spheroidize annealed, Normalized, Stress relieved, Cold finished, Quenched and Tempered

Surface

Black paint, varnish, oil, galvanized

End Protector

1. Plastic caps (small OD)

2. Iron protector (large OD)

Application

Fluid pipe, oil pipe, gas pipe, structure pipe, boiler tubes

Test

Chemical Component Analysis, Mechanical Properties, Technical Properties, Exterior Size Inspection, Hydro static Test, X-ray Test.

Remark

Special design available according to requirement

ASTM A53 Gr.B

Black and hot-dipped zinc-coated steel pipes welded and seamless

ASTM A106 Gr.B

Seamless carbon steel for high temperature service

ASTM SA179

Seamless cold-drawn low-carbon steel heat exchanger and condenser tubes

ASTM SA192

Seamless carbon steel boiler tubes for high pressure

ASTM SA210

Seamless Medium-carbon boiler and superheater tubes

ASTM A213

Seamless alloy-steel boiler, superheater, and heat-exchanger tubes

ASTM A333 GR.6

seamless and welded carbon and alloy steel pipe intended for use at low temperatures.

ASTM A335 P9,P11,T22,T91

Seamless ferritic alloy-steel pipe for high-temperature service

ASTM A336

Alloy steel forgings for pressure and high-temperature parts

ASTM SA519 4140/4130

Seamless carbon for mechanical tubing

API Spec 5CT J55/K55/N80/L80/P110/K55

Seamless steel pipe for casing

API Spec 5L PSL1/PSL2 Gr.b, X42/46/52/56/65/70

Seamless steel pipe for line pipe

DIN 17175

Seamless steel tube for elevated temperture

DN2391

Cold drawn seamless prevision pipe

DIN 1629

Seamless circular unalloyed steel tubes subject to special requirements

Standard

Grade

Chemical Components (%)

Mechanical Properties

ASTM A53

C

Si

Mn

P

S

Tensile STrength(Mpa)

Yield STrength(Mpa)

A

≤0.25

-

≤0.95

≤0.05

≤0.06

≥330

≥205

B

≤0.30

-

≤1.2

≤0.05

≤0.06

≥415

≥240

ASTM A106

A

≤0.30

≥0.10

0.29-1.06

≤0.035

≤0.035

≥415

≥240

B

≤0.35

≥0.10

0.29-1.06

≤0.035

≤0.035

≥485

≥275

ASTM SA179

A179

0.06-0.18

-

0.27-0.63

≤0.035

≤0.035

≥325

≥180

ASTM SA192

A192

0.06-0.18

≤0.25

0.27-0.63

≤0.035

≤0.035

≥325

≥180

API 5L PSL1

A

0.22

-

0.90

0.030

0.030

≥331

≥207

B

0.28

-

1.20

0.030

0.030

≥414

≥241

X42

0.28

-

1.30

0.030

0.030

≥414

≥290

X46

0.28

-

1.40

0.030

0.030

≥434

≥317

X52

0.28

-

1.40

0.030

0.030

≥455

≥359

X56

0.28

-

1.40

0.030

0.030

≥490

≥386

X60

0.28

-

1.40

0.030

0.030

≥517

≥448

X65

0.28

-

1.40

0.030

0.030

≥531

≥448

X70

0.28

-

1.40

0.030

0.030

≥565

≥483

API 5L PSL2

B

0.24

-

1.20

0.025

0.015

≥414

≥241

X42

0.24

-

1.30

0.025

0.015

≥414

≥290

X46

0.24

-

1.40

0.025

0.015

≥434

≥317

X52

0.24

-

1.40

0.025

0.015

≥455

≥359

X56

0.24

-

1.40

0.025

0.015

≥490

≥386

X60

0.24

-

1.40

0.025

0.015

≥517

≥414

X65

0.24

-

1.40

0.025

0.015

≥531

≥448

X70

0.24

-

1.40

0.025

0.015

≥565

≥483

X80

0.24

-

1.40

0.025

0.015

≥621

≥552

Types

Application

Structure Purposes

General structure and mechanical

Liquid Services

Petroleum, gas and other fluids conveying

Low and Medium Pressure Boiler Tube

Steam and boiler manufacturing

Hydraulic Pillar Service

Hydraulic support

Auto Semi-shaft Casing

Auto sem-shaft casing

Line Pipe

Oil and gas conveying

Tubing and Casing

Oil and gas conveying

Drill Pipes

Well drilling

Geological Drilling Pipe

Geological drilling

Furnace tubes, heat exchangers tubes

Furnace tubes, heat exchangers

Pipe types

Pipe sizes(mm)

Tolerances

Hot rolled

OD<50

±0.50mm

OD≥50

±1%

WT<4

±12.5%

WT 4～20

+15%, -12.5%

WT>20

±12.5%

Cold drawn

OD 6～10

±0.20mm

OD 10～30

±0.40mm

OD 30～50

±0.45

OD>50

±1%

WT≤1

±0.15mm

WT 1～3

+15%, -10%

WT >3

+12.5%, -10%