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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Saudi Aramco Inspection Representative may select the pipe from initial production run. The disc shall have a diameter equivalent to the inside diameter of the bolt holes. When a seat sealant injection fitting is required, a check valve shall be installed in the body wall under the sealant injection fitting. Page 28 of These test results can be considered as part of production tests. Measurements shall be conducted at start of test, i. One set of three specimens is required for HIC testing.
Overweight and Obese, Physical This task shall be carried out by Saudi Aramco Inspection Representative, e. This stripe is intended to provide identification until the pipe is installed. Certification can be based on measurements conducted by the steel mill and reported in the mill test certificates of the raw material. Means shall be provided to mark the pipe when the nondestructive inspection equipment indicates an imperfection is present so that anomalous areas can be readily identified.
The residual stress test shall be done after the hydrostatic test. For other properties, the more restrictive specification applies in each case.
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In addition to the data specified in SR The runoff for start and stop may extend up to one 1 inch at either end onto the base metal. Specimens of typical parent material microstructures on a plane with the same orientation as that used for cracking evaluation.
Valves swmss in the open position shall have tie rods fitted through the valve bores. Page 13 of 28 Document Responsibility: Unless 0355 in the purchase order, all pipes shall be suitable for sour service. Silicon Titanium Vanadium Sulfur: Surface Conditions, Imperfections and Defects Other surface imperfections [addition] d For pipe that is intended to be subsequently coated See Section Ithe surfaces to be coated shall be essentially free of scabs, slivers, cold laps, burrs or other surface defects that would impair the coating.
This laboratory shall use HIC test methods and control samples in accordance with this specification. Retesting Requirements The plate or pipe that failed the test shall be rejected. The size of the lettering shall be samds 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.
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Annex B, N and O shall apply for all purchase orders. Pipe furnished from Vendor inventory may be accepted with the standard API test pressure by negotiation. For pipe size 14 inches sames larger, not for automatic welding, O.
One acceptable method of determining local out-of-roundness is measurement of the maximum gap between a template and the pipe exterior. Inclusions or particles that are detrimental to welding, including tungsten carbide inclusions rolled into the surface, shall be considered to be defects regardless of depth and processed as permitted by Smass SPEC 5L.
The marking shall ensure full traceability to melt and heat treatment lot.
Specifically excluded from the scope are requirements for: Specimens must be firmly mounted to promote acceptable test results. Location and number of indentations shall be as specified in Annex A. This standard is not applicable to pipe manufacturers. Pipes can be considered as normalized if the finishing temperature is samse Ac3. A bill of materials indicating the specific ASTM or equivalent material specification for each part.
The CLR results of the control sample shall also be reported. Only electrodes identified on the repair welding procedure shall be used. If any subsequent change is proposed, the Vendor shall provide revised drawings for approval. Weld reinforcement may be removed for the measurement or the template may have a groove to accommodate the weld seam or another reliable alternative method shall Page 8 of 28 Document Responsibility: 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.
Verification shall be conducted at the pipe mill.
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This task shall be carried out by Saudi Aramco Inspection Representative, e. Specimens that buckle, collapse, deform or rip are considered invalid and the test must be performed again. The Vendor shall ensure that all materials used for valve components in rubbing or sliding contact will not gall. All weld repairs must be carried out before heat treatment and hydrotest.
The size of the lettering shall be commensurate with the diameter of the pipe, but in no case less than 0. Acceptance criteria shall be HV maximum. Retesting for DWT shall be same as that required 001 Charpy retests see paragraph 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. The pipe shall be marked with the actual grade.
Acceptance criteria for base metal, weld metal and Heat Affected Zone shall be 34 J minimum for the average of three specimens and 27 J minimum for individual values based on full size specimen. If either of the retests fail, the entire lot shall be rejected. The items manufactured to this specification are subject to verification by the Buyer’s Inspection Representative per Saudi Aramco Inspection Requirements Formand or specially modified versionsas applicable, attached to the Purchase Order.
Page 22 of 28 Document Samsx