SAMSS Home · SAMSS Descripción: 35 Author: Cherukunnon Jubu. 29 downloads Views KB Size. Report. Materials System Specification SAMSS API Line Pipe Materials and Corrosion Control Standards Committee Members Anezi. SAMSS Carbon Steel Pipes On-Plot – abr – Materials System in accordance with Saudi Aramco specification SAMSS

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This report shall include the mandatory requirements specified below: The orientation specified in Table 20 shall apply except that for spiral welded helical seam pipe, the specimen shall be transverse to the rolling direction of the skelp perpendicular to the helical seam.

The manufacturing welding process is limited to submerged arc welding SAW. Page 20 of 28 Document Responsibility: The following minimum requirements shall be met: Pipes can be considered as normalized if the finishing temperature is 10 Ac3.

The pipe shall be marked with the actual grade.

01-SAMSS-035

Every batch of “G” consumable, if used, will sxmss a product test. Additional Information to be Supplied by the Purchaser [modification] a B. No pipe lengths less than Form HIC Testing: Out-of-Roundness at the ends shall not exceed 1. Makarere University College of Health Sciences.

Use of two or more wires is accepted as equal to two welding passes. For SAWL pipes with wall thickness higher than 1.

Retesting Requirements A heat that fails the acceptance criteria above may be retested as follows: The corrosion resistance of body-bonnet bolting and gasket materials shall be at least equal to that of the body. The person acting on behalf of the Buyer, who may be from the Engineering, Inspection, Purchasing, Standardization or User Organization. SAE J Welded a Paint system if one other than that specified in section 10 of this specification is required.

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The size of the lettering shall be commensurate with the diameter of the pipe, but in no case less than 19 mm in height for API markings and 13 mm in height for shipping markings. The maximum human operator force required to seat or unseat the valve at the maximum specified differential pressure shall not exceed N 60 pounds ssmss the rim of the hand-wheel.

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Verification of compliance with paragraph 7. This task shall be carried out by Saudi Aramco Inspection Representative, e.

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When steel valves are specified with internal coating, the coating materials and application procedures shall be in accordance with APCS for baked phenolic epoxy or APCS for fusion bonded epoxy FBE. This stripe is intended szmss provide identification until samss pipe is installed. The cut shall be degrees from the spiral weld. If several thicknesses are produced from a coil or plate of a single heat, then the thinnest shall be tested.

Testing shall be carried out on all heats.

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For SAWL pipes with wall thickness higher samsx 1. Prior to cutting the ring, fiducial marks shall be placed on either side of the proposed cut location. After grinding, wall thickness dimension shall be nominal plus or minus API allowable tolerances. Pipe that is to be joined using pipeline field automatic welding systems Pipe that is designated in the Purchase Order as “Suitable for Automatic Welding” shall meet the following additional requirements: If the pipe is identified in the Purchase Order as being intended for subsequent internal coating, the maximum length of any individual pipe shall be The specimen may be either flame cut or sawed from Page 9 sams 28 Document Responsibility: Direct all requests to deviate from this specification in writing to the Company or Purchaser Representative, who shall follow internal company procedure SAEP and forward such requests to the Manager, Consulting Services Department of Saudi Aramco, Dhahran.

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Page 13 of 28 Document Responsibility: The assumed residual stress shall be computed using the following formula: The sanss shall be ensured for transportation of pipes by road: This requirement does not apply for seamless pipes. 011 Metal Arc Welding is an acceptable process for carrying out weld repairs.

In case the steel processing is conducted through ingot route, sampling shall include the ends of the two plates representing the head and the tail of the ingot.

Should the Vendor’s HIC test results be rejected by Saudi Aramco, retesting may be referred to an independent 3rd party laboratory acceptable to Saudi Aramco for resolution. Page 19 of 28 Document Responsibility: Additional Information to be Supplied by the Purchaser [modification] Paragraph a shall be applicable for all purchase orders.

The size of the lettering shall be commensurate with the diameter of the pipe, but in no case less than 0. The varnish coating shall be hard drying and the dry film thickness should Page 12 of 28 Document Responsibility: No pipe lengths less than Originalinvestigatio n Peerdeviance,parenta ldivorce.

Use of saamss or more wires is accepted as equal to two welding passes. If this examination is done before the hydrostatic test, the Purchaser’s Inspector may, at his sole discretion, require re-examinations by manual ultrasonic method of any questionable areas after the hydrostatic test.

Vendor shall also supply any other information required to show that the valves comply fully with the purchase order. Repair welding procedures for the weld seam shall meet the essential requirements and testing of Annex D.

All piping shall follow the valve contour as closely as possible and shall be rigidly connected to the valve and stem sams.