ASTM A106 - Material Inspection and review MTC

Ordering informaion

Ordering requirement Example
Quantity feet, metres, or number of lengths
Name of material seamless only (SMLS)
Grade B
Manufacture hot-finished
Size NPS 8" Sch80 [DN200] [12.7 mm]
Special outside diameter tolerance pipe 16.2.2
Inside diameter tolerance pipe 16.2.3
Length 6 m
Optional requirements NACE MR0175, other
Test report required EN10204 Type 3.1
Specification designation A 106/A106M-18
End use of material BE
Hydrostatic test or NDE test Both
Special requirements

Manufacture

Who made or forming product by weld, pressure, …

Nippon Steel

Product markings: company’s name or company’s logo are required.

Trace number

Heat number, cast number or ladle number.

Cast number: 1109627

Product markings: are required.

Specifications and grades

A material specification shall include number, grades and year.

ASTM A106/A106M - 08 grade B

Product markings: specification number and grade.

Manufacture/ process

Delivery condition such statement killed steel, with the primary melting process being open-hearth, basic-oxygen, or electric-furnace, possibly combined with separate degassing or refining.

SMLS (seamless) only.

Product markings: processing method.

Dimensions

Diameter, thickness as given in ASME B36.10M

NPS 6" Sch 40 or DN150 7.11mm WT.

Product markings: size and thickness/schedule.

Weight

Mass per unit length,

NOTE: Pipe larger than NPS 4” shall include the weight and weight class.
See photo

Product marking are required for pipe larger than NPS 4”.

Mechanical properties

  • Tensile strength, yield strength and percentage of elongation.
  • Bending test is required for pipe NPS 2 [DN 50] and under.
  • Flattening test is required for pipe NPS 2 [DN 50] and upper.

NOTE: verification dimension of test specimens such gauge length, rounded standard size, subsize.

Product markings are not required.

Chemical analysis

Heat analysis and/or product analysis.

NOTE:

  • Product analysis § see tolerance of acceptance in ASTM A530.
  • Product analysis at the request of the purchaser, analyses of two pipes from each lot shall be made by the manufacturer from the finished pipe.

Product markings are not required .

Heat treatment

Hot-finished pipe need not be heat treated, except suppelmetary requirement.

Product markings are not required .

Hydrotest or Non-destructive electric test

100% pipe shall be subjected to the nondestructive electric test or the hydrostatic test.

ET / 20.5 MPa

Product marking: test pressure or NDE, both.

Supplementary

Optional.

2 Likes

Could show standard of marking and actual sample should follow?

Acc. to ASTM A106 para. 25 and ASTM A530 para. 24

actual markings




2 Likes

How to check cut off pieces? and verification?

Tube or pipe

your question is aksing astm a106 is pipe or tube?

Is there a difference?

1 Like