TEST AND INSPECTION PER: ASTM A-530, and Specifications As Noted Below.
PIPE: Seamless ; Carbon or Alloy Steel; A335; A376; A430 or A524.
Pre-Fabrication/Production Requirements |
Specification Details / Notes: |
| General Requirements: | See Note 3, for A376, A430, A335 and A524. |
| Welding Procedure Specification (WPS), Procedure Qualification Records(PQR), and Welder / welding Operator Performance Qualifications (WPQ). | Shall be submitted for approval per ASME Section IX. for welded pipe. |
In process inspection & test requirement |
Specification Details / Notes: |
| Material Test Reports | |
| Heat Treatment | A376, A335, A430, A524: Refer to the specifications for details. |
| Chemical Analysis | Per relevant ASTM. |
| Product Analysis | See Note 4. |
| Transverse or Longitudinal Tension Test | A335, A376, A430, A524, See ASTM for details. |
| Flattening Tests or Bend Test | Compliant to ASTM requirements. |
Final inspection & test requirements |
Specification Details / Notes: |
| Product Marking | Per applicable ASTM. |
| Hydrostatic Test | A335, A376 and A524. Shall be examined in accordance with A530. |
| Dimensions; Weight, Diameter & Thickness and Lengths | A376; A335, A430; A524: All grades shall meet A530 and the relevant ASTM. |
Additional/Supplemental Requirements |
Specification Details / Notes: |
| Etching Test | Applicable to the following grades only; A312 = S4; A376 = S4; A430 = S4. Test per ASTM E381, E340 table 6. Sample size per ANSI Z1.4 Level 1, AQL 0.65 |
| Stabilizing Heat Treatment | Applicable to the following grades only; A376 = S9; A430 = S10. |
Notes:
- May only be waived by the responsible Saudi Aramco, ASC, or AOC Inspection
- See form SA175 – 000003 for instructions on using this
- a) A376: Covers seamless austenitic steel pipe intended for high-temp. central-station service. Five ’H’ grades and two nitrogen grades are covered. Pipe to be heat treated unless purchase order (PO) states
- A430: Covers heavy-wall, forged and bored austenitic steel pipe intended primarily for high-temp. central station service. Eleven grades are covered. See PO for heat treatment
- A335: Seamless Ferritic Alloy pipe for high temperature
- A524: Covers seamless carbon steel pipe intended primarily for service at atmospheric and lower temperatures, 1/8″ to 26″
- A376: An analysis of one billet, or one length of flat rolled stock from each heat, or two pipes for each lot shall be made by the manufacturer (MFG).
A335, A524 & A430: An analysis of two pipes from each lot shall be made.
