ASTM A672 GR. B70 EFW Pipe

 

 

 

ASTM A672 GR. B70 EFW Pipe

 

ASTM A672 GR. B70 EFW Pipe Specifications
Type ASTM A672 Gr. B70 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 12-64 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


Supplementary Requirements A672 Grade B70 Pipe

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 -- --

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

 

A672 Grade B70 EFW Pipes Class
Class Heat Treatment on Pipe Radiography, see Section Pressure Test, see:
Class 10 none none none
Class 11 none 9 none
Class 12 none 9 8.3
Class 13 none none 8.3
Class 20 stress relieved, see 5.3.1 none none
Class 21 stress relieved, see 5.3.1 9 none
Class 22 stress relieved, see 5.3.1 9 8.3
Class 23 stress relieved, see 5.3.1 none 8.3
Class 30 normalized, see 5.3.2 none none
Class 31 normalized, see 5.3.2 9 none
Class 32 normalized, see 5.3.2 9 8.3
Class 33 normalized, see 5.3.2 none 8.3
Class 40 normalized and tempered, see 5.3.3 none none
Class 41 normalized and tempered, see 5.3.3 9 none
Class 42 normalized and tempered, see 5.3.3 9 8.3
Class 43 normalized and tempered, see 5.3.3 none 8.3
Class 50 normalized and tempered, see 5.3.3 none none
Class 51 quenched and tempered, see 5.3.4 9 none
Class 52 quenched and tempered, see 5.3.4 9 8.3
Class 53 quenched and tempered, see 5.3.4 none 8.3

 

Chemical Properties % of ASTM A672 GR. B70 EFW Pipe
Specification Steel grade Chemical composition Remarks
C Si Mn P S Ti
Pipes for pressure service ASTM A672 -/A45 -/0.17 - 0.98 0.035 0.035 - 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

 

Mechanical Properties of ASTM A672 GR. B70 EFW Carbon Steel Pipe
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 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

Dealer & Distributors Of Below Manufacturers In India:
Arcelor Mittal
Essar Steel
ISMT Ltd.
Jindal SAW Ltd.
Arcelor Mittal
Essar Steel
ISMT Ltd.
Jindal SAW Ltd.
Maharashtra Seamless Ltd.
MAN Industries Ltd.
Sumitomo
Nippon Steel & Sumitomo Metal
Maharashtra Seamless Ltd.
MAN Industries Ltd.
Sumitomo
Nippon Steel & Sumitomo Metal
Lalit Pipes & Pipes Ltd.
Ratnamani Metals & Tubes
Tenaris
Tata Steel
Lalit Pipes & Pipes Ltd.
Ratnamani Metals & Tubes
Tenaris
Tata Steel
JFE Steel Corporation
United States Steel
Tubos Reunidos
Vallourec & mannesman Tubes
JFE Steel Corporation United States Steel Tubos Reunidos Vallourec & mannesman Tubes

 

Plate Specification to Manufacturer A672 B70 Pipes
Pipe Grade Type of Steel ASTM Specification
No Grade
A45 Pipe plain carbon A285 / A285M A
A50 Pipe plain carbon A285 / A285M B
A55 Pipe plain carbon A285 / A285M C
B55 Pipe plain carbon, killed A515 / A515M 55
B60 Pipe plain carbon, killed A515 / A515M 60
B65 Pipe plain carbon, killed A515 / A515M 65
B70 Pipe plain carbon, killed A515 / A515M 70
C55 Pipe plain carbon, killed, fine grain A516 / A516M 55
C60 Pipe plain carbon, killed, fine grain A516 / A516M 60
C65 Pipe plain carbon, killed, fine grain A516 / A516M 65
C70 Pipe plain carbon, killed, fine grain A516 / A516M 70
D70 Pipe manganese-silicon-normalized A537 / A537M 1
D80 Pipe manganese-silicon-Q&T A537 / A537M 2
E55 Pipe plain carbon A442 / A442M 55
E60 Pipe plain carbon A442 / A442M 60
H75 Pipe manganese-molybdenum-normalized A302 / A302M A
H80 Pipe manganese-molybdenum-normalized A302 / A302M B, C or D
J80 Pipe manganese-molybdenum-Q&T A533 / A533M CI-1
J90 Pipe manganese-molybdenum-Q&T A533 / A533M CI-2
J100 Pipe manganese-molybdenum-Q&T A533 / A533M CI-3
K75 Pipe chromium-manganese-silicon A202 / A202M A
K85 Pipe chromium-manganese-silicon A202 / A202M B
L65 Pipe molybdenum A204 / A204M A
L70 Pipe molybdenum A204 / A204M B
L75 Pipe molybdenum A204 / A204M C
N75 Pipe manganese-silicon A299 / A299M ..