Contents:
MD Exports LLPs is a preferred manufacturer, exporter & Suppliers of ASTM A671 Gr CB70 Carbon Steel EFW Pipe. India's largest stockholder of steel pipes & tubes including ASTM A106 Seamless Pipe, API 5L GR. B Seamless Pipe, A335 P5 Alloy Steel Pipe, P9 Alloy Steel Pipe, P11 Alloy Steel Pipe, P22 Alloy Steel Seamless Pipe, P91 Alloy Steel Seamless Pipe, X42 Seamless Pipe, X52 Seamless Pipe, X56 Seamless Pipe, X60 Seamless Pipe, X65 Seamless Pipe, API 5L X70 Seamless Pipe and many more.
ASTM A671 CB70 EFW pipe | ASTM A671 CB70 SAW pipe | ASTM A671 CB70 LSAW pipe | ASTM A671 CB70
ASTM A671 Gr CB70 Carbon Steel EFW Pipe |
ASTM A671 CB70 welded Pipe/ ASTM A671 CB70 EFW Pipe |
This specification covers standard requirements for electric-fusion-welded steel pipe with filler metal added, for atmospheric and lower temperatures. The steel pipe shall be fabricated from a pressure vessel quality plate of several analysis and strength levels.
ASTM A671 CB70 Pipe specification covers electric-fusion-welded steel pipe with filler metal added, fabricated from pressure vessel quality plate of several analyses and strength levels and suitable for high-pressure service at atmospheric and lower temperatures. Heat treatment may or may not be required to attain the desired properties or to comply with applicable code requirements. Supplementary requirements are provided for use when additional testing or examination is desired.
Pipe Grade | Type of Steel | ASTM Specification | |
---|---|---|---|
No. | Grade | ||
ASTM A671 Gr CA 55 | Plain carbon | A 285/A 285M | C |
ASTM A671 Gr CB 60 | plain carbon, killed | A 515/A 515M | 60 |
ASTM A671 Gr CB 65 | plain carbon, killed | A 515/A 515M | 65 |
ASTM A671 Gr CB 70 | plain carbon, killed | A 515/A 515M | 70 |
ASTM A671 Gr CC60 | plain carbon, killed, fine grain | A 516/A 516M | 60 |
ASTM A671 Gr CC 65 | plain carbon, killed, fine grain | A 516/A 516M | 65 |
ASTM A671 Gr CC 70 | plain carbon, killed, fine grain | A 516/A 516M | 70 |
ASTM A671 Gr CD 70 | manganese-silicon, normalized | A 537/A 537M | 1 |
ASTM A671 Gr CD 80 | manganese-silicon, quenched and tempered | A 537/A 537M | 2 |
Pipe Grade | ASTM Specification and Grade | Post-Weld Heat-Treatment Temperature Range °F(°C) | Normalizing Temperature, max, °F(°C) | Quenching Temperature max, °F(°C) | Tempering Temperature min, °F(°C) |
---|---|---|---|---|---|
ASTM A671 CA 55 | A 285/A 285M (C) | 1100-1250 (590-680) | 1700 (925) | - | - |
ASTM A671 CB 60 | A 515/A 515M (60) | 1100-1250 (590-680) | 1750 (950) | - | - |
ASTM A671 CB 65 | A 515/A 515M (65) | 1100-1250 (590-680) | 1750 (950) | - | - |
ASTM A671 CB 70 | A 515/A 515M (70) | 1100-1250 (590-680) | 1750 (950) | - | - |
ASTM A671 CC60 | A 516/A 516M (60) | 1100-1250 (590-680) | 1750 (925) | 1650 (900) | 1200 (650) |
ASTM A671 CC 65 | A 516/A 516M (65) | 1100-1250 (590-680) | 1750 (925) | 1650 (900) | 1200 (650) |
ASTM A671 CC 70 | A 516/A 516M (70) | 1100-1250 (590-680) | 1750 (925) | 1650 (900) | 1200 (650) |
ASTM A671 CD 70 | A 537/A 537M (1) | 1100-1250 (590-680) | 1750 (925) | - | - |
ASTM A671 CD 80 | A 537/A 537M (2) | 1100-1250 (590-680) | - | 1650 (900) | 1100 (590) |
Specification | Steel grade | Chemical composition | Remarks | |||||
---|---|---|---|---|---|---|---|---|
C | Si | Mn | P | S | Ti | |||
Pipes for pressure service ASTM A671, A672 |
-/A45 | -/0.17 | - | 0.98 | 0.035 | 0.035 | - | A671/ A672 |
-/A50 | -/0.22 | - | ||||||
CA55/A55 | 0.28 | - | ||||||
-/B55 | -/0.20 | 0.13 ~0.45 |
||||||
CB60/B60 | 0.24 | |||||||
CB65/B65 | 0.28 | |||||||
CB70/C70 | 0.31 | 1.30 | ||||||
-/C55 | -/0.18 | 0.55 ~0.98 |
||||||
CC60/C60 | 0.21 | |||||||
CC65/C65 | 0.24 | 0.79 ~1.30 |
||||||
CC70/C70 | 0.27 |
Products | Steel Grade | BASE METAL MECHANICAL COMPOSITION | Welding point tensile strength (N/mm2) | Remarks | |||
---|---|---|---|---|---|---|---|
Yield point (N/mm2) | Tensile Stregth (N/mm2) | Test Pieces | Elongation (%) | ||||
Pipes for pressure service ASTM A671, A672 | -/A45 | -/165 | -/310~450 | - | -/30 | -/310~450 | A671/ A672 |
-/A50 | -/185 | -/345~485 | -/28 | -/345~485 | |||
CA55/A55 | 205 | 380~515 | 27 | 380~515 | |||
-/B55 | -/205 | -/380~515 | -/27 | -/380~515 | |||
CB60/B60 | 220 | 415~550 | 25 | 415~550 | |||
CB65/B65 | 240 | 450~585 | 23 | 450~585 | |||
CB70/B70 | 260 | 485~620 | 21 | 485~620 | |||
-/C55 | -/205 | -/380~515 | -/27 | -/380~515 | |||
CC60/C60 | 220 | 415~550 | 25 | 415~550 | |||
CC65/C65 | 240 | 450~585 | 23 | 450~585 | |||
CC70/C70 | 260 | 485~620 | 21 | 485~620 |
Class | Heat treatment on pipe | RT | Pressure test | |
---|---|---|---|---|
ASTM A671 Class 11
|
none
|
?
|
?
|
?
|
ASTM A671 Class 12
|
none
|
?
|
?
|
?
|
ASTM A671 Class 13
|
none
|
?
|
?
|
?
|
ASTM A671 Class 20
|
stress relieved
|
PHWT
|
?
|
?
|
ASTM A671 Class 21
|
stress relieved
|
PHWT
|
?
|
?
|
ASTM A671 Class 22
|
stress relieved
|
PHWT
|
?
|
?
|
ASTM A671 Class 23
|
stress relieved
|
PHWT
|
?
|
?
|
ASTM A671 Class 30
|
normalized
|
?
|
?
|
|
ASTM A671 Class 31
|
normalized
|
?
|
?
|
|
ASTM A671 Class 32
|
normalized
|
?
|
?
|
|
ASTM A671 Class 33
|
normalized
|
?
|
?
|
Class
|
Heat Treatment on Pipe
|
Radiography
|
Pressure Test
|
---|---|---|---|
ASTM A671 Class 10
|
none
|
none
|
none
|
ASTM A671 Class 11
|
none
|
9
|
none
|
ASTM A671 Class 12
|
none
|
9
|
8.3
|
ASTM A671 Class 13
|
none
|
none
|
8.3
|
ASTM A671 Class 21
|
stress relieved, see 6.3.1
|
none
|
none
|
ASTM A671 Class 21
|
stress relieved, see 6.3.1
|
9
|
none
|
ASTM A671 Class 22
|
stress relieved, see 6.3.1
|
9
|
8.3
|
ASTM A671 Class 23
|
stress relieved, see 6.3.1
|
none
|
8.3
|
ASTM A671 Class 31
|
normalized, see 6.3.2
|
none
|
none
|
ASTM A671 Class 31
|
normalized, see 6.3.2
|
9
|
none
|
ASTM A671 Class 32
|
normalized, see 6.3.2
|
9
|
8.3
|
ASTM A671 Class 33
|
normalized, see 6.3.2
|
none
|
8.3
|
ASTM A671 Class 40
|
normalized and tempered, see 6.3.3
|
none
|
none
|
ASTM A671 Class 43
|
normalized and tempered, see 6.3.3
|
9
|
none
|
ASTM A671 Class 43
|
normalized and tempered, see 6.3.3
|
9
|
8.3
|
ASTM A671 Class 43
|
normalized and tempered, see 6.3.3
|
none
|
8.3
|
ASTM A671 Class 50
|
quenched and tempered, see 6.3.4
|
none
|
none
|
ASTM A671 Class 51
|
quenched and tempered, see 6.3.4
|
9
|
none
|
ASTM A671 Class 52
|
quenched and tempered, see 6.3.4
|
9
|
8.3
|
ASTM A671 Class 53
|
quenched and tempered, see 6.3.4
|
none
|
8.3
|
ASTM A671 Class 60
|
normalized and precipitation heat none none treated
|
none
|
none
|
ASTM A671 Class 61
|
normalized and precipitation heat none none treated
|
9
|
none
|
ASTM A671 Class 62
|
normalized and precipitation heat none none treated
|
9
|
8.3
|
ASTM A671 Class 63
|
normalized and precipitation heat none none treated
|
none
|
8.3
|
ASTM A671 Class 70
|
normalized and precipitation heat none none treated
|
none
|
none
|
ASTM A671 Class 71
|
normalized and precipitation heat none none treated
|
9
|
none
|
ASTM A671 Class 72
|
normalized and precipitation heat none none treated
|
9
|
8.3
|
ASTM A671 Class 73
|
normalized and precipitation heat none none treated
|
none
|
8.3
|
Oil & Gas, Power generation, Nuclear power generation, Refining, Chemical process, Petrochemical, and Water treatment
Pipe Grade | Type of Steel | ASTM Specification | |
---|---|---|---|
No. | Grade / Class / Type | ||
ASTM A671 Grade CA 55
|
plain carbon
|
A285/A285M
|
Gr C
|
ASTM A671 Grade CB 60
|
plain carbon, killed
|
A515/A515M
|
Gr 60
|
ASTM A671 Grade CB 65
|
plain carbon, killed
|
A515/A515M
|
Gr 65
|
ASTM A671 Grade CB 70
|
plain carbon, killed
|
A515/A515M
|
Gr 70
|
ASTM A671 Grade CC60
|
plain carbon, killed, fine grain
|
A516/A516M
|
Gr 60
|
ASTM A671 Grade CC 65
|
plain carbon, killed, fine grain
|
A516/A516M
|
Gr 65
|
ASTM A671 Grade CC 70
|
plain carbon, killed, fine grain
|
A516/A516M
|
Gr 70
|
ASTM A671 Grade CD 70
|
manganese-silicon, normalized
|
A537/A537M
|
Cl 1
|
ASTM A671 Grade CD 80
|
manganese-silicon, quenched and tempered
|
A537/A537M
|
Cl 2
|
ASTM A671 Grade CF 65
|
nickel steel
|
A203/A203M
|
Gr A
|
ASTM A671 Grade CF 70
|
nickel steel
|
A203/A203M
|
Gr B
|
ASTM A671 Grade CF 65
|
nickel steel
|
A203/A203M
|
Gr D
|
ASTM A671 Grade CF 70
|
nickel steel
|
A203/A203M
|
Gr E
|
CG 100
|
9 % nickel
|
A353/A353M
|
|
CH 115
|
9 % nickel
|
A553/A553M
|
Type 1
|
CJA 115
|
alloy steel, quenched and tempered
|
A517/A517M
|
Gr A
|
CJB 115
|
alloy steel, quenched and tempered
|
A517/A517M
|
Gr B
|
CJE 115
|
alloy steel, quenched and tempered
|
A517/A517M
|
Gr E
|
CJF 115
|
alloy steel, quenched and tempered
|
A517/A517M
|
Gr F
|
CJH 115
|
alloy steel, quenched and tempered
|
A517/A517M
|
Gr H
|
CJP 115
|
alloy steel, quenched and tempered
|
A517/A517M
|
Gr P
|
CK 75
|
carbon-manganese-silicon
|
A299/A299M
|
Gr A
|
CP85
|
alloy steel, age hardening, quenched and precipitation heat treated
|
A736/A736M
|
Gr A, Class 3
|
Project Area: Europe, Asia Pacific, Africa, Mid-east, America, Iran, UAE, Switzerland, UK, Chile, Venezuela, Vietnam, Sudan, Algeria, China etc.
Our Clients: Shell Oil, CNPC, SINOPEC, SASOL, BROOKFIELD MULTIPLEX, SWCC, VISION CONSTRUCTION GROUP etc.
Project Field: Oil & Gas, Construction, Industrial Usage, Environmental Equipment, Marine & Offshore
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ASTM A671 Carbon Steel Pipe Mill Location
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ASTM A671 Gr CB70 Carbon Steel EFW Pipe Argentina, (Buenos Aires) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Poland (Katowice) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Austria, (Vienna) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Poland (Katowice) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Austria, (Vienna) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Romania (Galatz) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Austria, (Vienna) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Romania (Galatz) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Belarus (St. Petersburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Romania (Galatz) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Canada(Toronto) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Slovak Republic(Prague) |
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ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Zhoushan) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Spain (Barcelona) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Shanghai Port) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Spain (Bilbao) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Jiangyin) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Spain (Bilbao) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Dalian) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Sweden (Gothenburg) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Wuhan) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Sweden (Gothenburg) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Zhoushan) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Sweden (Gothenburg) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Nanjing) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Sweden (Gothenburg) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Wuhan) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Taiwan, Republic of China (Kaohsiung) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Dalian) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Taiwan, Republic of China (Kaohsiung) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Wuhan) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe The Netherlands(Rotterdam Marine) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Shanghai Port) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Ukraine(Mykolaiv) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Shanghai Port) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Ukraine(Mykolaiv) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Nanjing) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Ukraine(Mykolaiv) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Jiangyin) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe United Kingdom (Birmingham) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Jiangyin) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe United Kingdom (Birmingham) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Jiangyin) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe United States of America (Philadelphia) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Jiangyin) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe United States of America (Chicago) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Jiangyin) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe United States of America (Chicago) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Wuhan) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Seoul) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Wuhan) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Mokpo) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Nanjing) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Mokpo) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Dalian) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Seoul) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Qingdao) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Ulsan) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Shanghai Port) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Mokpo) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Shanghai Port) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Busan Port) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Shanghai Port) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Busan Port) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Shanghai Port) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Mokpo) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Shanghai Port) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Ulsan) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Dalian) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Busan Port) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Dalian) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Seoul) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Wuhan) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Busan Port) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Dalian) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Ulsan) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Nanjing) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Ulsan) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Nanjing) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Changwon) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Qingdao) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Ulsan) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Shanghai Port) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Changwon) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Shanghai Port) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Mokpo) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Shanghai Port) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Mokpo) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Zhoushan) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Ulsan) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Shanghai Port) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Busan Port) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Zhoushan) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Mexico (Veracruz) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Zhoushan) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Poland (Katowice) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Zhoushan) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Nagasaki) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe China (Nantong) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Yokohama) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Czech Republic (Prague) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Kobe) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Czech Republic (Prague) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Yokohama) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Czech Republic (Prague) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Kobe) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Czech Republic (Prague) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Kobe) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Czech Republic (Prague) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Yokohama) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Finland (Helsinki/Helsingfors) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Nagasaki) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe France (Lyon) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Kobe) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe France (Lyon) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Nagasaki) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe France (Lyon) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Kobe) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe France (Lyon) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Kobe) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Kobe) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Kobe) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Yokohama) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Ulsan) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Changwon) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Korea (Changwon) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Yokohama) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Kobe) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Yokohama) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Kobe) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Kobe) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Nagasaki) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Nagasaki) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Yokohama) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Kobe) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Kobe) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Yokohama) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Yokohama) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Japan (Yokohama) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Germany (Hamburg) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Italy (Milan) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe India (Chennai) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Italy (Milan) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe India (Mumbai) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Italy (Milan) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe India (Chennai) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Italy (Milan) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Italy (Milan) | ASTM A671 Gr CB70 Carbon Steel EFW Pipe Italy (Venice) |
ASTM A671 Gr CB70 Carbon Steel EFW Pipe Italy (Milan) |
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