ASTM A672 Electric-Fusion-Welded Steel Pipe For High-Pressure Service Heat Exchanger Tube
Scope
This specification covers steel pipe: electric-fusion-welded with filler metal added, fabricated from pressure-vessel quality plate of any of several analyses and strength levels and suitable for high-pressure service at moderate 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.
Size Range
OD≥400mm
WT≤75mm
Referenced Documents
ASTM Standards:
A20/A20M Specification for General Requirements for Steel Plates for Pressure Vessels
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A435/A435M Specification for Straight-Beam Ultrasonic Examination of Steel Plates
A530/A530M Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe
A5771A577M Specification for Ultrasonic Angle-Beam Examination of Steel Plates
A578/A578M Specification for Straight-Beam Ultrasonic Examination of Rolled Steel Plates for Special Applications
E109 Method for Dry Powder Magnetic Particle Inspection; Replaced by E 709 (Withdrawn 1981)4
E138 Method for Wet Magnetic Particle Inspection; Replaced by E 709 (Withdrawn 1981)4
E110 Test Method for Indentation Hardness of Metallic Materials by Portable Hardness Testers
E165 Practice for Liquid Penetrant Examination for General Industry
E709 Guide for Magnetic Particle Testing
2.1.1 Plate Steel Specifications (Table 1)
A204/A204M Specification for Pressure Vessel Plates, Alloy Steel, Molybdenum
A285/A285M Specification for Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength
A299/A299M Specification for Pressure Vessel Plates, Carbon Steel, Manganese Silicon
A302/A302M Specification for Pressure Vessel Plates, Alloy Steel,Manganese-MolybdenumandManganese-Molybdenum-Nickel
A515/A515M Specification for Pressure Vessel Plates, Carbon Steel, for Intermediate and Higher-Temperature Service
A516/A516M Specification for Pressure Vessel Plates, Carbon Steel, for Moderate- and Lower-Temperature Service
A533/A533M Specification for Pressure Vessel Plates, Alloy Steel, Quenched and Tempered, Manganese-Molybdenum and Manganese-Molybdenum-Nickel
A537/A537M Specification for Pressure Vessel Plates, Heat-Treated, Carbon-Manganese Silicon Steel
Plate Specification
Pipe Grade | Type of Steel | ASTM Specification | |
No. | Grade | ||
A45 | plate carbon | A285/A285M | A |
A50 | plate carbon | A285/A285M | B |
A55 | plate carbon | A285/A285M | C |
B60 | plate carbon, killed | A515/A515M | 60 |
B65 | plate carbon, killed | A515/A515M | 65 |
B70 | plate carbon, killed | A515/A515M | 70 |
C55 | plate carbon, killed,fine grain | A516/A516M | 55 |
C60 | plate carbon, killed,fine grain | A516/A516M | 60 |
C65 | plate carbon, killed,fine grain | A516/A516M | 65 |
C70 | plate carbon, killed,fine grain | A516/A516M | 70 |
D70 | manganese-silicon-normalized | A537/A537M | Cl-1 |
D80 | manganese-silicon-Q&T | A537/A537M | Cl-2 |
H75 | manganese-molybdenum-normalized | A302/A302M | A |
H80 | manganese-molybdenum-normalized | A302/A302M | B,C or D |
J80 | manganese-molybdenum-Q&T | A533/A533M | Cl-1B |
J90 | manganese-molybdenum-Q&T | A533/A533M | Cl-2B |
J100 | manganese-molybdenum-Q&T | A533/A533M | Cl-3B |
L65 | molybdenum | A204/A204M | A |
L70 | molybdenum | A204/A204M | B |
L75 | molybdenum | A204/A204M | C |
N75 | manganese-silicon | A299/A299M | A |
Tests
Tension Test, Transverse-Guided-Welded-Bend Tests, Pressure Test
Heat Treatment Parameters
Pipe Grade | Specification and Grade | Post-Weld Heat-Treat Temperature Range, ℉(℃) | Normalizing Temperature, max, ℉(℃) | Quenching Temperature, max, ℉(℃) | Tempering Temperature, min, ℉(℃) |
A45 | A285A | 1100-1250[590-680] | 1700[925] | ... | ... |
A50 | A285B | 1100-1250[590-680] | 1700[925] | ... | ... |
A55 | A285C | 1100-1250[590-680] | 1700[925] | ... | ... |
B60 | A515-60 | 1100-1200[590-650] | 1750[950] | ... | ... |
B65 | A515-65 | 1100-1200[590-650] | 1750[950] | ... | ... |
B70 | A515-70 | 1100-1200[590-650] | 1750[950] | ... | ... |
C55 | A516-55 | 1100-1200[590-650] | 1700[925] | 1650[900] | 1100[590] |
C60 | A516-60 | 1100-1200[590-650] | 1700[925] | 1650[900] | 1100[590] |
C65 | A516-65 | 1100-1200[590-650] | 1700[925] | 1650[900] | 1100[590] |
C70 | A516-70 | 1100-1200[590-650] | 1700[925] | 1650[900] | 1100[590] |
D70 | A537-Cl 1 | 1100-1250[590-680] | 1700[925] | ... | ... |
D80 | A537-Cl 2 | 1100-1250[590-680] | ... | 1650[900] | 1100[590] |
H75 | A302-A | 1100-1250[590-680] | 1800[980] | ... | 1100[590] |
H80 | A302-B, C or D | 1100-1250[590-680] | 1800[980] | ... | 1100[590] |
J80 | A533-Cl 1C | 1100-1250[590-680] | ... | 1800[980] | 1100[590] |
J90 | A533-Cl 2C | 1100-1250[590-680] | ... | 1800[980] | 1100[590] |
J100 | A533-Cl 3C | 1100-1250[590-680] | ... | 1800[980] | 1100[590] |
L60 | A204A | 1100-1200[590-650] | ... | ... | ... |
L70 | A204B | 1100-1200[590-650] | ... | ... | ... |
L75 | A204C | 1100-1200[590-650] | ... | ... | ... |
N75 | A299A | 1100-1200[590-650] | 1700[925] | ... | ... |
Supplementary requirements
1. Tension and Bend Tests