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ASTM A672 Gr B70 pipe

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ASTM A672 Gr B70 Pipe
ASTM A672 Gr B70 Pipe Production Range
Type

ASTM A672 Gr. B60/ B65/ B70/ C60/ C65/ C70 LSAW / SAW / EFW PIPE
Executive Standard

API SPEC 5L,GB/T 9711.1,GB/T 9711.2,GB/T 9711.3,SY/T5037
ASTM A672

Standard Specification for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures
Class Designation Class 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 34, 40, 41, 42, 43, 50, 51, 52, 53, 60, 61, 62, 63, 70, 71, 72, 73..
Size Outer Diameter

Seamless  17-914mm    3/8-36 inch     

LSAW      457-1422mm  18-56 inch    
Wall Thickness

2-60mm
SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80

SCH100 SCH120 SCH140 SCH160 XXS
Length

Single random length/Double random length

5m-14m,5.8m,6m,10m-12m,12m or as customer’s actual request
Ends

Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc
Surface Treatment

Bare,Painting black,varnished,galvanized,anti-corrosion
PE PP/EP/FBE coating
Technical Methods

Hot-rolled/Cold-drawn/Hot-expanded
Testing Methods

Eddy current testing, Hydrostatic testing or Ultrasonic examination, NDT and also with chemical and physical property inspection
Packaging

Small pipes in bundles with strong steel strips,large pieces in loose; Covered with plastic woven bags; Suitable for lifting operation; Loaded in 40ft or 20ft container or in bulk

Also according to customer’s requests
Application

Conveying oil, gas and water
MOQ

1 ton
Production Capacity

5000 T/M
Delivery Time

Within 2 Weeks

 

Supplementary Requirements A672 Grade B70 Class 12, 22, 32 Carbon Steel EFW LSAW Pipes Class

S1. Tension and Bend Tests
S2. Charpy V-Notch Test (As per A20/20M)

Acceptance Criteria Charpy V-Notch
Specification and Grade
Test Temperature, °C for plate Thickness (Unless Otherwise Agreed Upon)
Energy Absorption
Class A
Min. Avg for 3 SpecimenB
Min For 1 SpecimenB
25 mm and under
Over 25 mm to 50 mm, incl
Over 50 mm to 75 mm, incl
Over 75 mm to 125 mm, incl
J
J
I
14
10
A285 Grade A
+4
+16
--
--
A285 Grade B
+10
+21
--
--
A285 Grade C
+16
+27
--
--
II
18
14
A455
-4
--
--
--
III
18
14
A203 Grade A
-68
-68
-60
--
A203 Grade D
-101
-101
-87
--
A516 Grade 55
-51
-51
-46
-46
A516 Grade 60
-51
-46
-46
-46
A516 Grade 65
-51
-56
-40
-32
IV
20
16
A203 Grade B
-68
-68
-60
--
A203 Grade E
-101
-101
-87
--
A203 Grade F (100 mm max)
--
--
-107
-107
A516 Grade 70
-46
-40
-35
-29
A537 Class 1 (64 mm max)
-62
-60
-60
--
A537 Class 2 (Over 64-100 mm)
V
27
20
A203 Grade F
-107
-107
--
--
Lateral Expansion mm, Minimum Each Specimen Transverse Test
VI
0.38
A353
-196
-196
--
--
A553 Type I
-196
-196
--
--
A553 Type II
-170
-170
--
--
A517 all (64 mm max thickness)
C
C
--
--
Note
  • A Class I is Other Than Killed with a specified minimum tensile strength of 450 MPa or lower.
  • Class II is Other Than Killed with a specified minimum tensile strength of 450 to 520 MPa incl.
  • Class III is Killed with a specified minimum tensile strength of 450 MPa or lower.
  • Class IV is Killed with a specified minimum tensile strength of 450 to 520 MPa incl.
  • Class V is Killed with a specified minimum tensile strength of over 520 MPa to but not including 655 MPa.
  • Class VI is Killed with a specified minimum tensile strength of 655 MPa or over.
  • B Full size (10 by 10 mm) specimens.
  • C Testing temperature as specified in the purchase order, but no higher than 0°C

   

ASTM A672 Gr B70 Pipe Chemical Composition

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

 

Mechanical Properties Of A672 Grade B70 Class 12, 22, 32 Pipes
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 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

 

ASTM A672 gr b70 pipe Application Industries
  • Petrochemical Industry
  • Chemical Industry
  • Nuclear Power Plant Industry
  • Oil and Gas Industry
  • Research & Development
  • Mega Projects & Defense & Development Industries
  • Pulp & Paper Industry

 

Plate Specification To Manufacturer A672 Grade B70 Class 12, 22, 32 Carbon Steel EFW LSAW Pipes Class
Pipe Grade
Type of Steel
ASTM Specification
No.
Grade / Class / Type
CA 55
plain carbon
A285/A285M
Gr C
CB 60
plain carbon, killed
A515/A515M
Gr 60
CB 65
plain carbon, killed
A515/A515M
Gr 65
CB 70
plain carbon, killed
A515/A515M
Gr 70
CC 60
plain carbon, killed, fine grain
A516/A516M
Gr 60
CC 65
plain carbon, killed, fine grain
A516/A516M
Gr 65
CC 70
plain carbon, killed, fine grain
A516/A516M
Gr 70
CD 70
manganese-silicon, normalized
A537/A537M
Cl 1
CD 80
manganese-silicon, quenched and tempered
A537/A537M
Cl 2
CF 65
nickel steel
A203/A203M
Gr A
CF 70
nickel steel
A203/A203M
Gr B
CF 65
nickel steel
A203/A203M
Gr D
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

Carbon steel Pipe available Grades

A672 Grade B70 Class 12, 22, 32 Carbon Steel EFW LSAW Pipes Class
Class
Heat Treatment on Pipe Section see:
Radiography,
see Section
Pressure
Test, see :
10
none
none
none
11
9
none
12
9
8.3
13
none
8.3
21
stress relieved, see 6.3.1
none
none
21
9
none
22
9
8.3
23
none
8.3
31
normalized, see 6.3.2
none
none
31
9
none
32
9
8.3
33
none
8.3
40
normalized and tempered, see 6.3.3
none
none
43
9
none
43
9
8.3
43
none
8.3
50
quenched and tempered, see 6.3.4
none
none
51
9
none
52
9
8.3
53
none
8.3
60
normalized and precipitation heat none none treated
none
none
61
9
none
62
9
8.3
63
none
8.3
70
none
none
71
9
none
72
9
8.3
73
none
8.3