Specification Product :

**ASTM A672** stockist, suppliers and exporter of ASTM A672 Gr. C60/ C65/ C70 WELDED / LSAW / SAW / EFW PIPE in India

Suppliers, Stockists and exporters of ASTM A672 Welded Pipes in India.

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.

**Carbon Steel A672 - Characteristics**

- High Pressure Service
- Operating at moderate temperature
- Thinner wall thickness and better workability

**Class Designation**

Class | Heat Treatment | Class | Heat Treatment |

10 | none | 32 | normalized |

11 | none | 33 | normalized |

12 | none | 40 | normalized and tempered |

13 | none | 41 | normalized and tempered |

20 | stress relieved | 42 | normalized and tempered |

21 | stress relieved | 43 | normalized and tempered |

22 | stress relieved | 50 | quenched and tempered |

23 | stress relieved | 51 | quenched and tempered |

30 | normalized | 52 | quenched and tempered |

31 | normalized | 53 | quenched and tempered |

**Plate Specification**

Pipe Grade | Type of Steel | ASTM Specification | |

No. | Grade | ||

A 45 | plain carbon | A285/A285M | Gr C |

A 50 | plain carbon | A515/A515M | Gr 60 |

A 55 | plain carbon | A515/A515M | Gr 65 |

B 60 | plain carbon, killed | A515/A515M | Gr 70 |

B 65 | plain carbon, killed | A516/A516M | Gr 60 |

B70 | plain carbon, killed | A516/A516M | Gr 65 |

C 55 | plain carbon, killed, fine grain | A516/A516M | Gr 70 |

C 60 | plain carbon, killed, fine grain | A537/A537M | Cl 1 |

C 65 | plain carbon, killed, fine grain | A537/A537M | Cl 2 |

C 70 | plain carbon, killed, fine grain | A203/A203M | Gr A |

D 70 | manganese-silicon-normalized | A203/A203M | Gr B |

D 80 | manganese-silicon-quenched and tempered | A203/A203M | Gr D |

H 75 | manganese-molybdenum-normalized | A203/A203M | Gr E |

H 80 | manganese-molybdenum-normalized | A353/A353M | |

J 80 | manganese-molybdenum-quenched and tempered | A553/A553M | Type 1 |

J 90 | manganese-molybdenum-quenched and tempered | A517/A517M | Gr A |

J 100 | manganese-molybdenum-quenched and tempered | A517/A517M | Gr B |

L 65 | molybdenum | A517/A517M | Gr E |

L 70 | molybdenum | A517/A517M | Gr F |

L 75 | molybdenum | A517/A517M | Gr H |

N 75 | molybdenum-silicon | A517/A517M | Gr P |

**Supplementary Requirements**

**S1. Tension and Bend Tests****S2. Charpy V-Notch Test (For pipe with nominal wall thickness 1/2 in. [13mm] and greater)** (As per A20/20M)

Acceptance Criteria Charpy V-Notch | Specification and Grade | Test Temperature, °C for plate Thickness (Unless Otherwise Agreed Upon) | |||||

Energy Absorption | |||||||

ClassA | 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

**S3. Hardness Test
S4. Product Analysis
S5. Metallography
S6. Magnetic Particle Examination of Base Metal
S7. Magnetic Particle Examination of Weld Metal
S8. Liquid Penetrant Examination of Base Metal
S9. Liquid Penetrant Examination of Weld Metal
S10. Staight Beam Ultrasonic Examination of Flat Plate - UT 1
S11. Staight Beam Ultrasonic Examination of Flat Plate - UT 2
S12. Angle Beam Ultrasonic Examination (Plate Less than 2 in. [50mm] Thick) - UT 3
S13. Repair Welding
S14. Description of Term**

ASTM A672 A 45 Class 10 | ASTM A672 A 50 Class 10 | ASTM A672 A 55 Class 10 | ASTM A672 B 60 Class 10 | ASTM A672 B 65 Class 10 | ASTM A672 B 70 Class 10 | ASTM A672 C 55 Class 10 |

ASTM A672 A 45 Class 11 | ASTM A672 A 50 Class 11 | ASTM A672 A 55 Class 11 | ASTM A672 B 60 Class 11 | ASTM A672 B 65 Class 11 | ASTM A672 B 70 Class 11 | ASTM A672 C 55 Class 11 |

ASTM A672 A 45 Class 12 | ASTM A672 A 50 Class 12 | ASTM A672 A 55 Class 12 | ASTM A672 B 60 Class 12 | ASTM A672 B 65 Class 12 | ASTM A672 B 70 Class 12 | ASTM A672 C 55 Class 12 |

ASTM A672 A 45 Class 13 | ASTM A672 A 50 Class 13 | ASTM A672 A 55 Class 13 | ASTM A672 B 60 Class 13 | ASTM A672 B 65 Class 13 | ASTM A672 B 70 Class 13 | ASTM A672 C 55 Class 13 |

ASTM A672 A 45 Class 20 | ASTM A672 A 50 Class 20 | ASTM A672 A 55 Class 20 | ASTM A672 B 60 Class 20 | ASTM A672 B 65 Class 20 | ASTM A672 B 70 Class 20 | ASTM A672 C 55 Class 20 |

ASTM A672 A 45 Class 21 | ASTM A672 A 50 Class 21 | ASTM A672 A 55 Class 21 | ASTM A672 B 60 Class 21 | ASTM A672 B 65 Class 21 | ASTM A672 B 70 Class 21 | ASTM A672 C 55 Class 21 |

ASTM A672 A 45 Class 22 | ASTM A672 A 50 Class 22 | ASTM A672 A 55 Class 22 | ASTM A672 B 60 Class 22 | ASTM A672 B 65 Class 22 | ASTM A672 B 70 Class 22 | ASTM A672 C 55 Class 22 |

ASTM A672 A 45 Class 23 | ASTM A672 A 50 Class 23 | ASTM A672 A 55 Class 23 | ASTM A672 B 60 Class 23 | ASTM A672 B 65 Class 23 | ASTM A672 B 70 Class 23 | ASTM A672 C 55 Class 23 |

ASTM A672 A 45 Class 30 | ASTM A672 A 50 Class 30 | ASTM A672 A 55 Class 30 | ASTM A672 B 60 Class 30 | ASTM A672 B 65 Class 30 | ASTM A672 B 70 Class 30 | ASTM A672 C 55 Class 30 |

ASTM A672 A 45 Class 31 | ASTM A672 A 50 Class 31 | ASTM A672 A 55 Class 31 | ASTM A672 B 60 Class 31 | ASTM A672 B 65 Class 31 | ASTM A672 B 70 Class 31 | ASTM A672 C 55 Class 31 |

ASTM A672 A 45 Class 32 | ASTM A672 A 50 Class 32 | ASTM A672 A 55 Class 32 | ASTM A672 B 60 Class 32 | ASTM A672 B 65 Class 32 | ASTM A672 B 70 Class 32 | ASTM A672 C 55 Class 32 |

ASTM A672 A 45 Class 33 | ASTM A672 A 50 Class 33 | ASTM A672 A 55 Class 33 | ASTM A672 B 60 Class 33 | ASTM A672 B 65 Class 33 | ASTM A672 B 70 Class 33 | ASTM A672 C 55 Class 33 |

ASTM A672 A 45 Class 40 | ASTM A672 A 50 Class 40 | ASTM A672 A 55 Class 40 | ASTM A672 B 60 Class 40 | ASTM A672 B 65 Class 40 | ASTM A672 B 70 Class 40 | ASTM A672 C 55 Class 40 |

ASTM A672 A 45 Class 41 | ASTM A672 A 50 Class 41 | ASTM A672 A 55 Class 41 | ASTM A672 B 60 Class 41 | ASTM A672 B 65 Class 41 | ASTM A672 B 70 Class 41 | ASTM A672 C 55 Class 41 |

ASTM A672 A 45 Class 42 | ASTM A672 A 50 Class 42 | ASTM A672 A 55 Class 42 | ASTM A672 B 60 Class 42 | ASTM A672 B 65 Class 42 | ASTM A672 B 70 Class 42 | ASTM A672 C 55 Class 42 |

ASTM A672 A 45 Class 43 | ASTM A672 A 50 Class 43 | ASTM A672 A 55 Class 43 | ASTM A672 B 60 Class 43 | ASTM A672 B 65 Class 43 | ASTM A672 B 70 Class 43 | ASTM A672 C 55 Class 43 |

ASTM A672 A 45 Class 50 | ASTM A672 A 50 Class 50 | ASTM A672 A 55 Class 50 | ASTM A672 B 60 Class 50 | ASTM A672 B 65 Class 50 | ASTM A672 B 70 Class 50 | ASTM A672 C 55 Class 50 |

ASTM A672 A 45 Class 51 | ASTM A672 A 50 Class 51 | ASTM A672 A 55 Class 51 | ASTM A672 B 60 Class 51 | ASTM A672 B 65 Class 51 | ASTM A672 B 70 Class 51 | ASTM A672 C 55 Class 51 |

ASTM A672 A 45 Class 52 | ASTM A672 A 50 Class 52 | ASTM A672 A 55 Class 52 | ASTM A672 B 60 Class 52 | ASTM A672 B 65 Class 52 | ASTM A672 B 70 Class 52 | ASTM A672 C 55 Class 52 |

ASTM A672 A 45 Class 53 | ASTM A672 A 50 Class 53 | ASTM A672 A 55 Class 53 | ASTM A672 B 60 Class 53 | ASTM A672 B 65 Class 53 | ASTM A672 B 70 Class 53 | ASTM A672 C 55 Class 53 |

ASTM A672 C 60 Class 10 | ASTM A672 C 65 Class 10 | ASTM A672 C 70 Class 10 | ASTM A672 D 70 Class 10 | ASTM A672 D 80 Class 10 | ASTM A672 H 75 Class 10 | ASTM A672 H 80 Class 10 |

ASTM A672 C 60 Class 11 | ASTM A672 C 65 Class 11 | ASTM A672 C 70 Class 11 | ASTM A672 D 70 Class 11 | ASTM A672 D 80 Class 11 | ASTM A672 H 75 Class 11 | ASTM A672 H 80 Class 11 |

ASTM A672 C 60 Class 12 | ASTM A672 C 65 Class 12 | ASTM A672 C 70 Class 12 | ASTM A672 D 70 Class 12 | ASTM A672 D 80 Class 12 | ASTM A672 H 75 Class 12 | ASTM A672 H 80 Class 12 |

ASTM A672 C 60 Class 13 | ASTM A672 C 65 Class 13 | ASTM A672 C 70 Class 13 | ASTM A672 D 70 Class 13 | ASTM A672 D 80 Class 13 | ASTM A672 H 75 Class 13 | ASTM A672 H 80 Class 13 |

ASTM A672 C 60 Class 20 | ASTM A672 C 65 Class 20 | ASTM A672 C 70 Class 20 | ASTM A672 D 70 Class 20 | ASTM A672 D 80 Class 20 | ASTM A672 H 75 Class 20 | ASTM A672 H 80 Class 20 |

ASTM A672 C 60 Class 21 | ASTM A672 C 65 Class 21 | ASTM A672 C 70 Class 21 | ASTM A672 D 70 Class 21 | ASTM A672 D 80 Class 21 | ASTM A672 H 75 Class 21 | ASTM A672 H 80 Class 21 |

ASTM A672 C 60 Class 22 | ASTM A672 C 65 Class 22 | ASTM A672 C 70 Class 22 | ASTM A672 D 70 Class 22 | ASTM A672 D 80 Class 22 | ASTM A672 H 75 Class 22 | ASTM A672 H 80 Class 22 |

ASTM A672 C 60 Class 23 | ASTM A672 C 65 Class 23 | ASTM A672 C 70 Class 23 | ASTM A672 D 70 Class 23 | ASTM A672 D 80 Class 23 | ASTM A672 H 75 Class 23 | ASTM A672 H 80 Class 23 |

ASTM A672 C 60 Class 30 | ASTM A672 C 65 Class 30 | ASTM A672 C 70 Class 30 | ASTM A672 D 70 Class 30 | ASTM A672 D 80 Class 30 | ASTM A672 H 75 Class 30 | ASTM A672 H 80 Class 30 |

ASTM A672 C 60 Class 31 | ASTM A672 C 65 Class 31 | ASTM A672 C 70 Class 31 | ASTM A672 D 70 Class 31 | ASTM A672 D 80 Class 31 | ASTM A672 H 75 Class 31 | ASTM A672 H 80 Class 31 |

ASTM A672 C 60 Class 32 | ASTM A672 C 65 Class 32 | ASTM A672 C 70 Class 32 | ASTM A672 D 70 Class 32 | ASTM A672 D 80 Class 32 | ASTM A672 H 75 Class 32 | ASTM A672 H 80 Class 32 |

ASTM A672 C 60 Class 33 | ASTM A672 C 65 Class 33 | ASTM A672 C 70 Class 33 | ASTM A672 D 70 Class 33 | ASTM A672 D 80 Class 33 | ASTM A672 H 75 Class 33 | ASTM A672 H 80 Class 33 |

ASTM A672 C 60 Class 40 | ASTM A672 C 65 Class 40 | ASTM A672 C 70 Class 40 | ASTM A672 D 70 Class 40 | ASTM A672 D 80 Class 40 | ASTM A672 H 75 Class 40 | ASTM A672 H 80 Class 40 |

ASTM A672 C 60 Class 41 | ASTM A672 C 65 Class 41 | ASTM A672 C 70 Class 41 | ASTM A672 D 70 Class 41 | ASTM A672 D 80 Class 41 | ASTM A672 H 75 Class 41 | ASTM A672 H 80 Class 41 |

ASTM A672 C 60 Class 42 | ASTM A672 C 65 Class 42 | ASTM A672 C 70 Class 42 | ASTM A672 D 70 Class 42 | ASTM A672 D 80 Class 42 | ASTM A672 H 75 Class 42 | ASTM A672 H 80 Class 42 |

ASTM A672 C 60 Class 43 | ASTM A672 C 65 Class 43 | ASTM A672 C 70 Class 43 | ASTM A672 D 70 Class 43 | ASTM A672 D 80 Class 43 | ASTM A672 H 75 Class 43 | ASTM A672 H 80 Class 43 |

ASTM A672 C 60 Class 50 | ASTM A672 C 65 Class 50 | ASTM A672 C 70 Class 50 | ASTM A672 D 70 Class 50 | ASTM A672 D 80 Class 50 | ASTM A672 H 75 Class 50 | ASTM A672 H 80 Class 50 |

ASTM A672 C 60 Class 51 | ASTM A672 C 65 Class 51 | ASTM A672 C 70 Class 51 | ASTM A672 D 70 Class 51 | ASTM A672 D 80 Class 51 | ASTM A672 H 75 Class 51 | ASTM A672 H 80 Class 51 |

ASTM A672 C 60 Class 52 | ASTM A672 C 65 Class 52 | ASTM A672 C 70 Class 52 | ASTM A672 D 70 Class 52 | ASTM A672 D 80 Class 52 | ASTM A672 H 75 Class 52 | ASTM A672 H 80 Class 52 |

ASTM A672 C 60 Class 53 | ASTM A672 C 65 Class 53 | ASTM A672 C 70 Class 53 | ASTM A672 D 70 Class 53 | ASTM A672 D 80 Class 53 | ASTM A672 H 75 Class 53 | ASTM A672 H 80 Class 53 |

ASTM A672 J 80 Class 10 | ASTM A672 J 90 Class 10 | ASTM A672 J 100 Class 10 | ASTM A672 L65 Class 10 | ASTM A672 L70 Class 10 | ASTM A672 L75 Class 10 | ASTM A672 N 75 Class 10 |

ASTM A672 J 80 Class 11 | ASTM A672 J 90 Class 11 | ASTM A672 J 100 Class 11 | ASTM A672 L65 Class 11 | ASTM A672 L70 Class 11 | ASTM A672 L75 Class 11 | ASTM A672 N 75 Class 11 |

ASTM A672 J 80 Class 12 | ASTM A672 J 90 Class 12 | ASTM A672 J 100 Class 12 | ASTM A672 L65 Class 12 | ASTM A672 L70 Class 12 | ASTM A672 L75 Class 12 | ASTM A672 N 75 Class 12 |

ASTM A672 J 80 Class 13 | ASTM A672 J 90 Class 13 | ASTM A672 J 100 Class 13 | ASTM A672 L65 Class 13 | ASTM A672 L70 Class 13 | ASTM A672 L75 Class 13 | ASTM A672 N 75 Class 13 |

ASTM A672 J 80 Class 20 | ASTM A672 J 90 Class 20 | ASTM A672 J 100 Class 20 | ASTM A672 L65 Class 20 | ASTM A672 L70 Class 20 | ASTM A672 L75 Class 20 | ASTM A672 N 75 Class 20 |

ASTM A672 J 80 Class 21 | ASTM A672 J 90 Class 21 | ASTM A672 J 100 Class 21 | ASTM A672 L65 Class 21 | ASTM A672 L70 Class 21 | ASTM A672 L75 Class 21 | ASTM A672 N 75 Class 21 |

ASTM A672 J 80 Class 22 | ASTM A672 J 90 Class 22 | ASTM A672 J 100 Class 22 | ASTM A672 L65 Class 22 | ASTM A672 L70 Class 22 | ASTM A672 L75 Class 22 | ASTM A672 N 75 Class 22 |

ASTM A672 J 80 Class 23 | ASTM A672 J 90 Class 23 | ASTM A672 J 100 Class 23 | ASTM A672 L65 Class 23 | ASTM A672 L70 Class 23 | ASTM A672 L75 Class 23 | ASTM A672 N 75 Class 23 |

ASTM A672 J 80 Class 30 | ASTM A672 J 90 Class 30 | ASTM A672 J 100 Class 30 | ASTM A672 L65 Class 30 | ASTM A672 L70 Class 30 | ASTM A672 L75 Class 30 | ASTM A672 N 75 Class 30 |

ASTM A672 J 80 Class 31 | ASTM A672 J 90 Class 31 | ASTM A672 J 100 Class 31 | ASTM A672 L65 Class 31 | ASTM A672 L70 Class 31 | ASTM A672 L75 Class 31 | ASTM A672 N 75 Class 31 |

ASTM A672 J 80 Class 32 | ASTM A672 J 90 Class 32 | ASTM A672 J 100 Class 32 | ASTM A672 L65 Class 32 | ASTM A672 L70 Class 32 | ASTM A672 L75 Class 32 | ASTM A672 N 75 Class 32 |

ASTM A672 J 80 Class 33 | ASTM A672 J 90 Class 33 | ASTM A672 J 100 Class 33 | ASTM A672 L65 Class 33 | ASTM A672 L70 Class 33 | ASTM A672 L75 Class 33 | ASTM A672 N 75 Class 33 |

ASTM A672 J 80 Class 40 | ASTM A672 J 90 Class 40 | ASTM A672 J 100 Class 40 | ASTM A672 L65 Class 40 | ASTM A672 L70 Class 40 | ASTM A672 L75 Class 40 | ASTM A672 N 75 Class 40 |

ASTM A672 J 80 Class 41 | ASTM A672 J 90 Class 41 | ASTM A672 J 100 Class 41 | ASTM A672 L65 Class 41 | ASTM A672 L70 Class 41 | ASTM A672 L75 Class 41 | ASTM A672 N 75 Class 41 |

ASTM A672 J 80 Class 42 | ASTM A672 J 90 Class 42 | ASTM A672 J 100 Class 42 | ASTM A672 L65 Class 42 | ASTM A672 L70 Class 42 | ASTM A672 L75 Class 42 | ASTM A672 N 75 Class 42 |

ASTM A672 J 80 Class 43 | ASTM A672 J 90 Class 43 | ASTM A672 J 100 Class 43 | ASTM A672 L65 Class 43 | ASTM A672 L70 Class 43 | ASTM A672 L75 Class 43 | ASTM A672 N 75 Class 43 |

ASTM A672 J 80 Class 50 | ASTM A672 J 90 Class 50 | ASTM A672 J 100 Class 50 | ASTM A672 L65 Class 50 | ASTM A672 L70 Class 50 | ASTM A672 L75 Class 50 | ASTM A672 N 75 Class 50 |

ASTM A672 J 80 Class 51 | ASTM A672 J 90 Class 51 | ASTM A672 J 100 Class 51 | ASTM A672 L65 Class 51 | ASTM A672 L70 Class 51 | ASTM A672 L75 Class 51 | ASTM A672 N 75 Class 51 |

ASTM A672 J 80 Class 52 | ASTM A672 J 90 Class 52 | ASTM A672 J 100 Class 52 | ASTM A672 L65 Class 52 | ASTM A672 L70 Class 52 | ASTM A672 L75 Class 52 | ASTM A672 N 75 Class 52 |

ASTM A672 J 80 Class 53 | ASTM A672 J 90 Class 53 | ASTM A672 J 100 Class 53 | ASTM A672 L65 Class 53 | ASTM A672 L70 Class 53 | ASTM A672 L75 Class 53 | ASTM A672 N 75 Class 53 |

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