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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All valve threaded body connections including drain, vent and sealant injection piping shall be zamss welded, except those that are frequently removed such as vent and drain plugs or those that contain moving parts such as injection fittings, relief valves, etc. On SAW pipe for automatic welding, local out-of-roundness deviation from the normal cylindrical contour in the form of peaking or flattening of the seam shall not exceed 1.
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Brand name of “G” consumable, if used, is an essential variable. Separate welding procedure shall be written for making the skelp end weld for spiral welded pipe.
All piping shall follow the valve contour as closely as possible and shall be rigidly connected to 001 valve and stem extension. Reference to Class I service has been discontinued because PSL 2 pipe ordered to this specification meets the requirements for Class I service by default.
Out-of-Roundness at the ends shall not exceed 1. No pipe lengths less than On SAW pipe, local out-of-roundness deviation from the normal cylindrical contour of the seam shall not exceed 0. The maximum hardness measured shall not exceed HV using 5 or 10 kg load.
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Should the Vendor’s HIC test results be rejected saamss Saudi Aramco, retesting may be referred to an independent 3rd party laboratory acceptable to Saudi Aramco for resolution. Editorial revision to clarify the scope pertaining to applicability of this specification to pipes procured to ASTM A Only Vickers hardness testers shall be used.
The acceptance criteria for laminar imperfection detected in sour and nonsour pipe shall be in accordance with Table D. 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.
Out-of-Roundness at the ends shall not exceed 1. H2S gas generated from chemical reactions, e.
Location and number of indentations shall be as specified in Annex A. If the purchase is made through the Saudi Aramco Direct Charge system, the approval authority is the organization originating the requisition.
See Annex N, Gear operators for quarter turn valves shall be equipped with a self-locking system.
On SAW pipe for automatic welding, local out-of-roundness deviation from the normal cylindrical contour in the form of peaking or flattening of the seam shall not exceed 0. The Vendor may propose an alternative protection system for approval by the Valve Standards Committee Chairman.
Ssmss pipe shall be marked with the actual grade. A AM — 90a Re Seamless 305 shall not be delivered in the as-rolled R or Normalized rolled conditions; a separate heat treatment cycle shall be conducted using a designated heat treatment facility.
We will acknowledge receipt of registrations within one week. Revision Summary Major revision. Page 19 of 28 Document Responsibility: Valves shipped in the open position shall have tie rods fitted sxmss the valve bores.
SAMSS Carbon Steel Pipes On-Plot – abr_百度文库
For “capscrew type” bolts used for body-to-bonnet flange connections, the bolts shall be flush with the bottom of the body flange. For thicknesses in excess of Pipe intended for subsequent internal coating shall have a maximum length of Heat-treatment of pipe may be used in lieu of cold expansion, provided that heat treatment does not cause any adverse effect on samsss mechanical properties and pipe roundness.
For each section containing cracks, a photograph shall be taken of the complete cross-section. The cover shall be attached by machine bolts with a nut and washer fitted on the inside of the flange.