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Inq - 612 - Mss Sp-75 BW Fittings

This specification covers the requirements for seamless butt weld end pipe fittings made of material to be used for manufacturing piping spools according to ASME B31.3 process piping standards. The material must meet standards for dimensions, testing, certification and identification. All welds must be 100% radiographed and hardness tested, and test results reported in material certificates. Repair by welding is not permitted and fittings must be packed securely for shipment.

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104 views1 page

Inq - 612 - Mss Sp-75 BW Fittings

This specification covers the requirements for seamless butt weld end pipe fittings made of material to be used for manufacturing piping spools according to ASME B31.3 process piping standards. The material must meet standards for dimensions, testing, certification and identification. All welds must be 100% radiographed and hardness tested, and test results reported in material certificates. Repair by welding is not permitted and fittings must be packed securely for shipment.

Uploaded by

naveen_86
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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INQ_612

REV. :A
SPECIFICATION
PAGE : 1 OF 1

DOC NO. INQ_612


REQUIREMENT FOR CS BUTT WELD END PIPE FITTINGS REV

THIS SPECIFICATION COVERS THE REQUIREMENTS OF SEAMLESS BUTT WELD END FITTINGS MATERIAL TO
1
BE USED FOR THE MANUFACTURE OF PIPING SPOOLS AS PER ASME B31.3 PROCESS PIPING. MATERIAL
SHALL MEET THE FOLLOWING STANDARDS:
-16 TO 48 MSS SP-75 WPHY 60
-IR-175-026100
-ASME B16.25
-ASME STD: ASME B31.3
-ARAMCO SPECS: 02-SAMSS-005 DTD: 15TH APRIL 2014
FOLLOWING ADDITIONAL REQUIREMENTS SHALL BE MET,
2
MATERIAL SHALL BE SUPPLIED IN NORMALIZED CONDITION.
CARBON EQUIVALENT SHALL BE LIMITED TO 0.42%. (BY LONG FORMULA).
BORON SHALL BE SHOWN IN THE HEAT OR PRODUCT ANALYSIS AND SHALL NOT EXCEED 0.0005%.
FITTINGS DIMENSIONS SHALL BE AS PER MSS SP-75.
BUTT WELD ENDS SHALL BE 100% TESTED AS IN ACCORDANCE WITH ASTM E165.
ALL WELDS IN FABRICATED FITTINGS SHALL BE 100% RADIOGRAPHED IN ACCORDANCE WITH BPVC
ASME SEC.VIII D1, PARAGRAPH UW-51.
HARDNESS TESTS SHALL BE CONDUCTED ON 100% OF ALL WELDED FITTINGS IN ACCORDANCE
WITH ASTM A833.
CHARPY IMPACT TESTING SHALL BE AS PER MSS SP-75.

3 ALL THE TEST RESULTS SHALL BE REPORTED IN THE MATERIAL TEST CERTIFICATES PER EN10204 TYPE 3.1.

4 HARDNESS TRAVERSES CONDUCTED IN ACCORDANCE WITH ASTM E92 SHALL BE MADE ON FULL THICKNESS,
TRANSVERSE CROSS-SECTION OF THE WELD THAT HAS BEEN MOUNTED, POLISHED TO METALLOGRAPHIC
QUALITY, AND ETCHED.

5 MATERIAL CERTIFICATION SHALL BE AS PER BS EN 10204 TYPE 3.1 AND SHALL BE IN ENGLISH.

6 REPAIR BY WELDING ARE NOT PERMITTED.

AFTER INSPECTION BY SAUDI ARAMCO, FITTINGS SHALL BE SUPPLIED WITH A PROTECTIVE COATING THAT
7
DOES NOT HIDE MARKINGS OR SURFACE DEFECTS.
MATERIAL IDENTIFICATION SHALL BE STAMPED (OR) STENCILED USING LOW STRESS STAMP ACCORDANCE
8
WITH ASME B16.9
WELDING ENDS MUST BE PROTECTED WITH SUITABLE WOOD OR PLASTIC COVERS. FITTINGS MUST BE
9
PACKED IN STEEL-BANDED WOODEN CRATES.
A
DATE 17.10.2016
BY NAVEEN
CHK SETH

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