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HEBEI SENHAI PIPELINE CO
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hebei senhai pipeline co.,ltd. is the most professional manufacturer & exporter for LSAW ERW EFW welded steel pipes;SSAW SAWH spiral welded steel pipes;SEAMLESS steel pipes;SHS square hollow sections,RHS rectangular hollow sections; GALVANIZED Steel Pipes; STEEL BUTT-WELDING PIPE FITTINGS & FORGED STEEL FLANGES.
hebei senhai pipeline co.,ltd. is the most professional manufacturer & exporter for LSAW ERW EFW welded steel pipes;SSAW SAWH spiral welded steel pipes;SEAMLESS steel pipes;SHS square hollow sections,RHS rectangular hollow sections; GALVANIZED Steel Pipes; STEEL BUTT-WELDING PIPE FITTINGS & FORGED STEEL FLANGES.

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Hebei Senhai Pipeline Co.,Ltd. is the most professional manufacturer and exporter for the following products:

1.SEAMLESS STEEL PIPES FOR OIL & GAS API 5L GR B/ASTM A53 GR.B/ASTM A106 GR B ;OD 21.3-820mm.WT:2MM-50mm 
ASTM A36,ST.52.3,ST.37.2,ST.20#,GOST 8731-74,GOST 8732-78,SS400,S235JR,S355J2H,S355JOH,Q235B,16MN,ASTM A335 P5 P9 P11 P22 P91 P92,ASTM A333 GR.1 GR.4 GR.6,ASTM A213 T5 T9 T11 T12 T22 T91,PSL1,PSL2 X42,X46,X52,X60,X65,X70 etc.

2.SAWL (SUBMERGED ARC WELDING LONGITUDINAL) / LSAW (SUBMERGED ARC WELDING LONGITUDINAL) / ERW(ELECTRIC RESISTANCE WELDING ) / EFW (ELECTRIC FUSION WELDING ) STEEL PIPES; Standard: API 5L PSL1/ PSL2, API 2B, EN10219,ASTM A671 CL10-23, ASTM A672
CL13-23, ASTM A252 etc.
Steel Grade:API 5L:Gr.B, X42,X52,X60,X65,X70,X80,
API 2B: 2H, 2W
EN10219: S275JRH, S275J0H, S275J2H
S355JRH, S355J0H, S355J2H
A671/A672 CL10-CL13:CA55,B65,B70,C70
ASTM A252: GR.2/GR.3,
GOST 10704-91,GOST 10705-80, ASTM A36,ASTM A53 GR B,API 5L GR B,ST.52.3,ST.37.2,ST.20#,SS400,ASTM A671, ASTM A672 CL11-23,S235JR,S355J2H,S355JOH,Q235B,16MN ,PSL1,PSL2 X42,X46,X52,X60,X65,X70,X80 etc.

3. HSAW (HELICAL SUBMERGED ARC WELDING) / SAWH (SUBMERGED ARC WELDING HELICAL ) / SSAW (SPIRAL SUBMERGED ARC WELDING ) / SAW (SUBMERGED ARC WELDING) / SPIRAL WELDED STEEL PIPES;OD219mm~3620mm,WT 5mm-26mm. GOST 8696-74 ELECTRICALLY WELDED SPIRAL SEAM STEEL PIPES WITH 3PE,3PP,EPOXY,FBE,CEMENT ANTICORROSION ;GOST 8696-74,ASTM A36,ASTM A53 GR B,API 5L GR B,ST.52.3,ST.37.2,ST.20#,SS400,S235JR,S355J2H,S355JOH,Q235B,16MN ,PSL1 X42,X46,X52,X60,X65,X70 etc.

4.SHS SQUARE HOLLOW SECTIONS,RHS RECTANGULAR HOLLOW SECTIONS; OD20X20mm~600X600mm,WT 0.8~50mm. EN10210 S275JRH,S275J0H,S275J2H,S355JRH,S355J0H,S355J2H;ASTM A500 GR A B C D,SS400,jis g3466 stkr400 stkr490,ASTM A500 GR B, SS400, ASTM A36,ASTM A53 GR B,API 5L GR
B,GOST 8639-82,GOST 8645-68,GOST 8644-68,ST.52.3,ST.37.2,ST.20#,SS400,S235JR,S355J2H,S355JOH,Q235B,16MN etc.

5. HOT DIPPED GALVANIZED STEEL PIPES

MORE DETAILS,PLEASE KINDLY CONTACT WITH US.

Sincerely Yours,
Teddy Shi (Mr.)
General Manager
Hebei Senhai Pipeline Co.,Ltd.
Add.: No.7 Beihai Rd.,Economic & Technological Development Zone, Cangzhou City, Hebei Province, China
Tel: +86-317-2180586 / 8230586; Fax: +86-317-3172336 / 3206418; Mobile Phone: +86-13231768661 / 15233785985
Email:sales@senhaipipeline.com/teddy@senhaipipeline.com
Website: www.senhaipipeline.com
Talk online:
MSN: spnisthebest@hotmail.com
Skype: hl-pipefitting
Yahoo Messenger: spnisthebest@yahoo.com
Google Talk: spnisthebest@gmail.com 
ICQ:677631155
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2014-04-15
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Hebei Senhai Pipeline Co.,Ltd. is the most professional manufacturer and exporter the following products:

1.SAWL (SUBMERGED ARC WELDING LONGITUDINAL) / LSAW (SUBMERGED ARC WELDING LONGITUDINAL) / ERW(ELECTRIC RESISTANCE WELDING ) / EFW (ELECTRIC FUSION WELDING ) STEEL PIPES; Standard: API 5L PSL1/ PSL2, API 2B, EN10219,ASTM A671 CL10-23, ASTM A672
CL13-23, ASTM A252 etc.
Steel Grade:API 5L:Gr.B, X42,X52,X60,X65,X70,X80,
API 2B: 2H, 2W
EN10219: S275JRH, S275J0H, S275J2H
S355JRH, S355J0H, S355J2H
A671/A672 CL10-CL13:CA55,B65,B70,C70
ASTM A252: GR.2/GR.3,
GOST 10704-91,GOST 10705-80, ASTM A36,ASTM A53 GR B,API 5L GR B,ST.52.3,ST.37.2,ST.20#,SS400,ASTM A671, ASTM A672 CL11-23,S235JR,S355J2H,S355JOH,Q235B,16MN ,PSL1,PSL2 X42,X46,X52,X60,X65,X70,X80 etc.

2.SEAMLESS STEEL PIPES API 5L GR B/ASTM A53 GR.B/ASTM A106 GR B ;OD 21.3-820mm.WT:2MM-50mm 
ASTM A36,ST.52.3,ST.37.2,ST.20#,GOST 8731-74,GOST 8732-78,SS400,S235JR,S355J2H,S355JOH,Q235B,16MN,ASTM A335 P5 P9 P11 P22 P91 P92,ASTM A333 GR.1 GR.4 GR.6,ASTM A213 T5 T9 T11 T12 T22 T91,PSL1,PSL2 X42,X46,X52,X60,X65,X70 etc.

3. HSAW (HELICAL SUBMERGED ARC WELDING) / SAWH (SUBMERGED ARC WELDING HELICAL ) / SSAW (SPIRAL SUBMERGED ARC WELDING ) / SAW (SUBMERGED ARC WELDING) / SPIRAL WELDED STEEL PIPES;OD219mm~3620mm,WT 5mm-26mm. GOST 8696-74 ELECTRICALLY WELDED SPIRAL SEAM STEEL PIPES WITH 3PE,3PP,EPOXY,FBE,CEMENT ANTICORROSION ;GOST 8696-74,ASTM A36,ASTM A53 GR B,API 5L GR B,ST.52.3,ST.37.2,ST.20#,SS400,S235JR,S355J2H,S355JOH,Q235B,16MN ,PSL1 X42,X46,X52,X60,X65,X70 etc.

4.SHS SQUARE HOLLOW SECTIONS,RHS RECTANGULAR HOLLOW SECTIONS; OD20X20mm~600X600mm,WT 0.8~50mm. EN10210 S275JRH,S275J0H,S275J2H,S355JRH,S355J0H,S355J2H;ASTM A500 GR A B C D,SS400,jis g3466 stkr400 stkr490,ASTM A500 GR B, SS400, ASTM A36,ASTM A53 GR B,API 5L GR
B,GOST 8639-82,GOST 8645-68,GOST 8644-68,ST.52.3,ST.37.2,ST.20#,SS400,S235JR,S355J2H,S355JOH,Q235B,16MN etc.

5. HOT DIPPED GALVANIZED STEEL PIPES

MORE DETAILS,PLEASE KINDLY CONTACT WITH US.

Sincerely Yours,
Teddy Shi (Mr.)
General Manager
Hebei Senhai Pipeline Co.,Ltd.
Add.: No.7 Beihai Rd.,Economic & Technological Development Zone, Cangzhou City, Hebei Province, China
Tel: +86-317-2180586 / 8230586; Fax: +86-317-3172336 / 3206418; Mobile Phone: +86-13231768661 / 15233785985
Email:sales@senhaipipeline.com/teddy@senhaipipeline.com
Website: www.senhaipipeline.com
Talk online:
MSN: spnisthebest@hotmail.com
Skype: hl-pipefitting
Yahoo Messenger: spnisthebest@yahoo.com
Google Talk: spnisthebest@gmail.com 
ICQ:677631155
PhotoPhotoPhotoPhotoPhoto
2014-03-17
15 Photos - View album
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Hebei Senhai Pipeline Co.,Ltd. is the most professional manufacturer and exporter the following products:

1.SEAMLESS STEEL PIPES API 5L GR B/ASTM A53 GR.B/ASTM A106 GR B ;OD 21.3-820mm.WT:2MM-50mm 
ASTM A36,ST.52.3,ST.37.2,ST.20#,GOST 8731-74,GOST 8732-78,SS400,S235JR,S355J2H,S355JOH,Q235B,16MN,ASTM A335 P5 P9 P11 P22 P91 P92,ASTM A333 GR.1 GR.4 GR.6,ASTM A213 T5 T9 T11 T12 T22 T91,PSL1,PSL2 X42,X46,X52,X60,X65,X70 etc.

2.SAWL (SUBMERGED ARC WELDING LONGITUDINAL) / LSAW (SUBMERGED ARC WELDING LONGITUDINAL) / ERW(ELECTRIC RESISTANCE WELDING ) / EFW (ELECTRIC FUSION WELDING ) STEEL PIPES; Standard: API 5L PSL1/ PSL2, API 2B, EN10219,ASTM A671 CL10-23, ASTM A672
CL13-23, ASTM A252 etc.
Steel Grade:API 5L:Gr.B, X42,X52,X60,X65,X70,X80,
API 2B: 2H, 2W
EN10219: S275JRH, S275J0H, S275J2H
S355JRH, S355J0H, S355J2H
A671/A672 CL10-CL13:CA55,B65,B70,C70
ASTM A252: GR.2/GR.3,
GOST 10704-91,GOST 10705-80, ASTM A36,ASTM A53 GR B,API 5L GR B,ST.52.3,ST.37.2,ST.20#,SS400,ASTM A671, ASTM A672 CL11-23,S235JR,S355J2H,S355JOH,Q235B,16MN ,PSL1,PSL2 X42,X46,X52,X60,X65,X70,X80 etc.

3. HSAW (HELICAL SUBMERGED ARC WELDING) / SAWH (SUBMERGED ARC WELDING HELICAL ) / SSAW (SPIRAL SUBMERGED ARC WELDING ) / SAW (SUBMERGED ARC WELDING) / SPIRAL WELDED STEEL PIPES;OD219mm~3620mm,WT 5mm-26mm. GOST 8696-74 ELECTRICALLY WELDED SPIRAL SEAM STEEL PIPES WITH 3PE,3PP,EPOXY,FBE,CEMENT ANTICORROSION ;GOST 8696-74,ASTM A36,ASTM A53 GR B,API 5L GR B,ST.52.3,ST.37.2,ST.20#,SS400,S235JR,S355J2H,S355JOH,Q235B,16MN ,PSL1 X42,X46,X52,X60,X65,X70 etc.

4.SHS SQUARE HOLLOW SECTIONS,RHS RECTANGULAR HOLLOW SECTIONS; OD20X20mm~600X600mm,WT 0.8~50mm. EN10210 S275JRH,S275J0H,S275J2H,S355JRH,S355J0H,S355J2H;ASTM A500 GR A B C D,SS400,jis g3466 stkr400 stkr490,ASTM A500 GR B, SS400, ASTM A36,ASTM A53 GR B,API 5L GR
B,GOST 8639-82,GOST 8645-68,GOST 8644-68,ST.52.3,ST.37.2,ST.20#,SS400,S235JR,S355J2H,S355JOH,Q235B,16MN etc.

5. HOT DIPPED GALVANIZED STEEL PIPES

MORE DETAILS,PLEASE KINDLY CONTACT WITH US.

Sincerely Yours,
Teddy Shi (Mr.)
General Manager
Hebei Senhai Pipeline Co.,Ltd.
Add.: No.7 Beihai Rd.,Economic & Technological Development Zone, Cangzhou City, Hebei Province, China
Tel: +86-317-2180586 / 8230586; Fax: +86-317-3172336 / 3206418; Mobile Phone: +86-13231768661 / 15233785985
Email:sales@senhaipipeline.com/teddy@senhaipipeline.com
Website: www.senhaipipeline.com
Talk online:
MSN: spnisthebest@hotmail.com
Skype: hl-pipefitting
Yahoo Messenger: spnisthebest@yahoo.com
Google Talk: spnisthebest@gmail.com 
ICQ:677631155
PhotoPhotoPhotoPhotoPhoto
2014-03-17
15 Photos - View album
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Hebei Senhai Pipeline Co., Ltd. manufacture and export ASTM A671,ASTM A672,ASTM A691 Electric-Fusion-Welded Steel Pipe for Atmosphoric and Lower Temperatures 
Pipe Grade-CA 55, CB60, CB65, CB70, CC60, CC65, CC70, CD80, CE50, CE60, DF65, CF70, CF66, CF71, CJ101, CJ102, CJ103, CJ104, CJ105, CJ106, CJ107, CJ108, CJ109, CJ110, CJ112, CJ113, CJ75, CP65, CP75 

Class No.-10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 40, 41, 42, 43, 50, 51, 52, 53 

ASTM A672-Electric-Resistance-Welded Steel Ppe for High-Pressure Service at Moderate Temperatues 

Pipe Grade: A45, A50, A55, B55, B60, B65, B70, C55, C60, C65, C70, D70, D80, E55, E60, H75, H80, J80, J90, J100, K75, K85, L65, L70, L75, N75 

Class 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 40, 41, 42, 43, 50, 51, 52, 53 

ASTM A691 Carbon and Alloy Steel Pipe, Electric-Fusion-Resistance For High-Pressure Service at High-Temperatures 

Pipe Grade-CM65, CM70, CM75, CMSH70, CMSH75, CMSH80, 1/2Cr, 1Cr, 2 1/4Cr, 3Cr, 5Cr, 9Cr, 91 

Class 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 40, 41, 42, 43, 50, 51, 52, 53, 60, 61, 62, 63, 70, 71, 72, 73 

NACE MR 0175/ISO 15156-2 Petroleum and Natural Gas Industries – Materials for Use in H2S Containing Environments in Oil and Gas Production. Part 2. Cracking resistant Carbon and Low Alloy Steels, and the Use of Cast Irons. 

1.3.3 Class designations are as follows (Note 1): 

Class Heat Treatment on Pipe Radiography, see Section Pressure Test, see: 

10 none none none 

11 none 9 none 

12 none 9 8.3 

13 none none 8.3 

20 stress relieved, see 5.3.1 none none 

21 stress relieved, see 5.3.1 9 none 

22 stress relieved, see 5.3.1 9 8.3 

23 stress relieved, see 5.3.1 none 8.3 

30 normalized, see 5.3.2 none none 

31 normalized, see 5.3.2 9 none 

32 normalized, see 5.3.2 9 8.3 

33 normalized, see 5.3.2 none 8.3 

40 normalized and tempered, see 5.3.3 none none 

41 normalized and tempered, see 5.3.3 9 none 

42 normalized and tempered, see 5.3.3 9 8.3 

43 normalized and tempered, see 5.3.3 none 8.3 

50 quenched and tempered, see 5.3.4 none none 

51 quenched and tempered, see 5.3.4 9 none 

52 quenched and tempered, see 5.3.4 9 8.3 

53 quenched and tempered, see 5.3.4 none 8.3 

60 normalized and precipitation heat treated none none 

61 normalized and precipitation heat treated 9 none 

62 normalized and precipitation heat treated 9 8.3 

63 normalized and precipitation heat treated none 8.3 

70 quenched and precipitation heat treated none none 

71 quenched and precipitation heat treated 9 none 

72 quenched and precipitation heat treated 9 8.3 

73 quenched and precipitation heat treated none 8.3 

Sincerely Yours,
Teddy Shi (Mr.)
General Manager
Hebei Senhai Pipeline Co.,Ltd.
Add.: No.7 Beihai Rd.,Economic & Technological Development Zone, Cangzhou City, Hebei Province, China
Tel: +86-317-2180586 / 8230586; Fax: +86-317-3172336 / 3206418; Mobile Phone: +86-13231768661 / 15233785985
Email:sales@senhaipipeline.com/teddy@senhaipipeline.com
Website: www.senhaipipeline.com
Talk online:
MSN: spnisthebest@hotmail.com
Skype: hl-pipefitting
Yahoo Messenger: spnisthebest@yahoo.com
Google Talk: spnisthebest@gmail.com 
ICQ:677631155
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2014-01-27
20 Photos - View album
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