seamless steel pipe, seamless steel tube
seamless steel pipe, seamless steel tube

Home - Products - Seamless Steel Pipe - Seamless Steel Pipe(SMLS)

Seamless Steel Pipe, Carbon Seamless Steel Pipe(CS), Stainless Seamless Steel Pipe(SS) and Other Pipe Fittings

Abundant Inventory +  Competitive Price


Top quality —— Hydralic Test, X-ray, Offer-line UT, Eddy Current Inspection, etc, 3rd party inspection to test.
Fast delivery —— Many sets of advanced production equipment to produce, as well as perfect logistics system.
Timely quotation —— professional sales quote for you after receive your inquiry.
Certificate share —— MTC, ISO, Inspection Report and other quality certification.
Used for oil and gas transportation, the general structure, mechanical structure.



Types of Seamless Steel Pipe

Types
Uses
Structure Purposes
General structure and mechanical
Liquid Services
Petroleum, gas and other fluids conveying
Low and Medium Pressure
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 Pipes
Geological drilling
Petroleum Cracking Tubes
Furnace tubes, heat exchangers


seamless steel pipe

Size: OD: 13.72-914.4mm / WT: 1.65-22mm,

Length: 0.5mtr-20mtr






seamless steel pipe


Standard: API5L,ASTM A106/A53, DIN2391,ASTM A179/A192,EN10210,EN10208
Material: GR.B, X42, X46, X52, S355J0H, S355J2H, 10#, 20#,316L,304







seamless steel pipe


Heat treatment: Annealed, Normalized, Stress relieved, Cold finished, Quenched and Tempered
Delivery Condition: BKS,NBK,BK ,BKW, GBK(+A), NBK(+N), BK(+C)






seamless steel pipe

Test: Chemical Component Analysis, Mechanical Properties and other inspection

Third Inspection: BV, SGS,Lloyds ect.

Pipe ends: with plain ends , with beveled ends, profiled

Coatings and linings: bared and coated





Dimension Tolerances of Seamless Steel Pipe

Pipe types

Pipe Szie(mm)

Tolerances

Hot rolled

OD

<50

±0.50mm

≥50

±1%

WT

<4

±12.5%

≥4~20

+15%, -12.5%

>20

±12.5%

Cold drawn

OD

6~10

±0.20mm

10~30

±0.40mm

30~50

±0.45

>50

±1%

WT <1 ±0.15mm
>1~3
+ 15%, - 10%
>3
+ 12.5%, - 10%


Standard

Grade

Chemical Components (%)

Mechanical Properties

c

Si

Mn

P

S

Mo

Cr

V

Tensile STrength(Mpa)

Yield STrength(Mpa)

Elongation

(%)

ASTM A53

A

≤0.25

/

≤0.95

≤0.05

≤0.06

≤0.15

≤0.40

≤0.08

≥330

≥205

≥29.5

B

≤0.30

/

≤1.2

≤0.05

≤0.06

≤0.15

≤0.40

≤0.08

≥415

≥240

≥29.5


Standard

Grade

Chemical Components(%)

Mechanical Properties

c

Si

Mn

P

S

Mo

Cr

V

Tensile STrength

(Mpa)

Yield STrength

(Mpa)

 Elongation(%)

ASTM A106

A

≤0.30

≥0.10

0.29-1.06

≤0.035

≤0.035

≤0.15

≤0.40

≤0.08

≥415

≥240

≥30

B

≤0.35

≥0.10

0.29-1.06

≤0.035

≤0.035

≤0.15

≤0.40

≤0.08

≥485

≥275

≥30


Standard

Grade

Chemical Components(%)

Mechanical Properties

c

Si

Mn

P

S

Tensile STrength(Mpa)

Yield STrength(Mpa)

Elongation(%)

ASTM A179

A179

0.06-0.18

/

0.27-0.63

≤0.035

≤0.035

≥325

≥180

≥35



Standard

Grade

Chemical Components(%)

Mechanical Properties

c

Si

Mn

P

S

Tensile STrength(Mpa)

Yield STrength(Mpa)

Elongation(%)

ASTM A192

A192

0.06-0.18

≤0.25

0.27-0.63

≤0.035

≤0.035

≥325

≥180

≥35


Standard

Grade

Chemical Components

Tensile STrength(min)

Yield Strength(min)

C

Mn

P

S

Mpa

Mpa

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

414

X65

0.28

1.40

0.030

0.030

531

448

X70

0.28

1.40

0.030

0.030

565

483


Standard

Grade

Chemical Components

Tensile STrength(min)

Yield Strength(min)

C

Mn

P

S

Mpa

Mpa

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





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