Table of Contents
1SCOPE
2PRESSURERATING
3SIZE
4DESIGNPROOF-TEST
5HYDROSTATICTESTING
6MATERIALS
7CHEMICALCOMPOSITION
8TENSILEPROPERTIES
9HEATTREATMENT
10TRANSVERSEGUIDED-WELDBEND-TESTS
11NOTCH-TOUGHNESSPROPERTIES
12FITTINGDIMENSIONS
13TOLERANCESFORWELDINGFITTINGS
14MANUFACTURE
15NONDESTRUCTIVEEXAMINATION
16INSPECTION
17MARKING
ANNEXA-ReferencedStandardsandApplicableDates
APPENDIXX1-SupplementaryRequirements
APPENDIXX2-Longitudinal-BeadUnderbeadCrackingTest Abstract
Defines factory-made, seamless and electric welded carbon and low alloy steel, butt-welding fittings for use in high pressure gas and oil transmission and distribution systems, including pipelines, compressor stations, metering and regulating stations, and mains.