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High reputation DIN1629 St37 St44 St52 S355j2h Seamless Carbon Steel Pipe

Short Description:

Size : O.D:406~1500mm  W.T.: 6~40mm      

Grade:  CB60,CB65, CC60,CC65,etc.

Length: 12M or specified length as required.

Ends:  Plain End, Beveled End,Grooved ;

Payment terms:LC/TT/DP

Key words: ASTM A671 Lsaw Steel Pipe, ASTM A672 C65 Lsaw Steel Pipe,carbon Lsaw steel pipe, Lsaw steel pipe supplier.

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Persisting in “High high quality, Prompt Delivery, Aggressive Price”, we’ve established long-term cooperation with clients from the two overseas and domestically and get new and old clients’ superior comments for High reputation DIN1629 St37 St44 St52 S355j2h Seamless Carbon Steel Pipe, We invites both you and your enterprise to thrive along with us and share a vibrant long term in global sector.
Persisting in “High high quality, Prompt Delivery, Aggressive Price”, we’ve established long-term cooperation with clients from the two overseas and domestically and get new and old clients’ superior comments for China Seamless Pipes and Steel Pipe, We aim to become the modern enterprise with the commercial ideal of “Sincerity and confidence” and with the aim of “Offering customers the most sincere services and best quality products”. We sincerely ask for your unchanged support and appreciate your kind advice and guidance.
Pipe ordered under this specification is used for high-pressure service at atmospheric and lower temperatures.Mainly used for oil and natural gas transmission.

ASTM A671 LSAW(JCOE) Carbon Steel Pipe shall be double-welded, full-penetration welds made in accordance with procedures and by welders or welding operators qualified in accordance with the ASME Boiler and pressure Vessel Code, Section IX.

All classes other than 10, 11, 12 and 13 shall be heat treated in furnace controlled to ±15℃ and equipped with a recording hydrometer so that heating records are available.

Manufacture: LSAW(JCOE) Steel pipes

Size : O.D.: 406~1500mm  W.T.: 6~40mm

Grade: CB60,CB65, CC60,CC65,etc.

Length: 12M or specified length as required.

Ends: Plain End, Beveled End,Grooved ;

Chemical Requirements for ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Pipe

Pipe

Grade

Composition, %

C

                 max

Mn

P

  max

S

 max

Si

Others

<=1in

(25mm)

>1~2in

(25~50mm)

>2~4in(50-100mm)

>4~8in

(100~200mm)

>8in

(200mm)

<=1/2in

(12.5mm)

>1/2in

(12.5mm)

CB

60

0.24

0.21

0.29

0.31

0.31

0.98max

0.035

0.035

0.13–0.45

65

0.28

0.31

0.33

0.33

0.33

0.98max

0.035

0.035

0.13–0.45

70

0.31

0.33

0.35

0.35

0.35

1.30max

0.035

0.035

0.13–0.45

CC

60

0.21

0.23

0.25

0.27

0.27

0.55–0.98

0.79–1.30

0.035

0.035

0.13–0.45

65

0.24

0.26

0.28

0.29

0.29

0.79–1.30

0.79–1.30

0.035

0.035

0.13–0.45

70

0.27

0.28

0.30

0.31

0.31

0.79–1.30

0.79–1.30

0.035

0.035

0.13–0.45

Mechanical Properties

Grade

CB65

CB70

CC60

CC65

CC70

Tensile strength, min:

ksi

65

70

60

65

70

Mpa

450

485

415

450

485

Yield strength, min:

ksi

35

38

32

35

38

MPa

240

260

220

240

260

1. Outside Diameter-Based on circumferential measurement ±0.5% of the specified outside diameter.

2. Out-of-Roundness-Difference between major and minor outside diameters.

3. Alignment-Using a 10 ft (3m) straightedge placed so that both ends are in contact with the pipe, 1/8 in. (3mm).

4. Thickness-The minimum wall thickness at any point in the pipe shall not be more than 0.01 in. (0.3mm) under the specified nominal thickness.

5. Lengths with unmachined ends shall be within -0,+1/2 in. (-0,+13mm) of that specified. Lengths with machined ends shall be as agreed upon between the manufacturer and the purchaser.

Tension Test—Transverse tensile properties of the welded joint shall meet the minimum requirements for ultimate tensile strength of the specified plate material.

Transverse-guided-weld-bent tests —The bend test shall be acceptable if no cracks or other defects exceeding 1/8 in. (3mm) in any direction are present in the weld metal or between the weld and the base metal after bending.

Radio-graphic Examination-The full length of each weld of class X1 and X2 shall be radiographically examined in accordance with and meet the requirements of the ASME Boiler and Pressure Vessel Code, Section seven, paragraph UW-51.

Manufacturer’s name or mark
Specification number(year-date or required)
Size( OD, W.T, length)
Grade( A or B)
Type of pipe( F, E, or S)
Test pressure( seamless steel pipe only)
Heat Number
Any additional information specified in the purchase order.

Quantity ( feet, meters, or number of lengths)
Name of material( steel pipe, electric fusion welded)
Specification number
Grade and class designations
Size (outside or inside diameter, normal or minimum wall thickness)
Length (specific or random)
End finish
Purchase options
Supplementary requirements, if any.

Bare pipe or Black / Varnish coating/Epoxy coating/3PE coating ( according to customer’s requirements);
In loose;
Both ends with end protectors;
Plain end, bevel end(2″ and above with bevel ends, degree: 30~35°), customized;
Marking.Persisting in “High high quality, Prompt Delivery, Aggressive Price”, we’ve established long-term cooperation with clients from the two overseas and domestically and get new and old clients’ superior comments for High reputation DIN1629 St37 St44 St52 S355j2h Seamless Carbon Steel Pipe, We invites both you and your enterprise to thrive along with us and share a vibrant long term in global sector.
High reputation China Seamless Pipes and Steel Pipe, We aim to become the modern enterprise with the commercial ideal of “Sincerity and confidence” and with the aim of “Offering customers the most sincere services and best quality products”. We sincerely ask for your unchanged support and appreciate your kind advice and guidance.


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