PIPE: High Temperature, ASTM A-369; A-426; A-451, or A-660 | INSPECTION & TESTING

Pre-Fabrication / Production  Requirements

Specification Details / Notes:

In-Process Inspection & Testing Requirements

Heat Treatment Certificates Product Analysis

Heat Analysis Tensile Tests

Transverse or Longitudinal Tension Test Flattening Tests

Bend Property Tests Retests

Hardness Test

Magnetic Permeability Measurement Hydrostatic Test

Refer to the specifications for each material to fully determine the requirements. See ASTM’s for details.

Refer to the specifications for each material to fully determine the tensile requirements for each type and grade.

See ASTM’s for details. See ASTM’s for details. See ASTM’s for details.

See ASTM’s for details.

Test specimens for magnetic permeability measurements to determine delta ferrite content shall be in accordance with A-342.

Each pipe shall be hydrostatically tested to A-530.

Certified Test Report (CTR) Dimensions: Diameter & Thickness

All grades to have a CTR per A-530.

All grades shall meet A-530.  See A-426, A-451 & A-660 for thickness.

Additional / Supplemental  Requirements

Radiographic Examination

Metal Structure and Etching Tests Photomicrographs (Grain Size) Liquid Penetrant Examination Magnetic Particle Inspection Residual Elements

A-426 = S6; A-451 = S6; A-660 = S7: See ASTM’s for details. (note 2) A-426 = S5; A-451 = S5; A-660 = S4: See ASTM’s for details. (note 2) A-426 = S3, A-451 = S3, A-660 = S5: See ASTM’s for details. (note 2)

A-451 = S7; A-660 = S9: See ASTM’s for details. (note 2) A-426 = S8; A-660 = S9: See ASTM’s for details. (note 2) A-426 = S10:  See ASTM for details. One test per heat.