1 castings shall be performed in accordance with the welding requirements specified in Paragraph 2.1.8.3. NACE International --`,`,``,```,,```,,`,`,,,`,,`,-`-`,,`,,`,`,,`--- 7 MR0103-2012 2.1.4 Other carbon steels shall have a maximum hardness of 22 HRC (237 HBW). 2.1...
54、ardness requirements are stated in HBW, and testing using stationary Brinell hardness equipment is not viable, testing shall be performed using the comparison hardness test method (commonly, but incorrectly, referred to as portable Brinell hardness testing). 1.5.7 When applicable, the conversion...
1.5.5 In some cases, maximum allowable hardness values are provided in both HRC (or HRBS) and HBW. In those instances, either scale may be used. 1.5.6 When hardness requirements are stated in HBW, and testing using stationary Brinell equipment is not viable, testing shall be performed ...
(高清) NACE MR0103-2015 美国标准.pdf,Item No. 21305 International Standard ANSI/NACE MR0103/ISO 17495-1:2016 Petroleum, petrochemical and natural gas industries —Metallic materials resistant to sulfide stress cracking in corrosive petroleum refining env
MR0103 includes wrought S17400, S15500, and cast CB7Cu-1 and CB7Cu-2 in the general section. These materials are all acceptable in either the double-H1150 or H1150M conditions. The maximum hardness requirements are the same as those specified in the MR0175 documents – 33 HRC maximum for ...
免费在线预览全文 NACE Standard MR0103-2005 Item No. 21305 Standard Material Requirements Materials Resistant to Sulfide Stress Cracking in Corrosive Petroleum Refining Environments This NACE International standard represents a consensus of those individual members who have reviewed this document, its scope...
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As such, they satisfy the requirements for these materials, as stated in Table A.24 of MR0175. Therefore, MR0175 does not require a hardness to be reported for annealed material. These materials also satisfy MR0103, Section 13.8.1, provided the reported hardness is at or below 28 HRC. ...
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