Group 8 stainless steel and hardness testing
Group 8 stainless steel and hardness testing
(OP)
Can someone shed some light on why in EN ISO 15614-1 hardness survey is not required for stainless steels in group 8?
http://www.gowelding.com/wp/new-standards.pdf
Hardness Survey is not required for :-
Steels in Sub-group 1.1 (yield strength of 275N/mm2 or less)
Stainless Steels in Group 8
Nickel Alloys in Groups 41 to 48
http://www.gowelding.com/wp/new-standards.pdf
Hardness Survey is not required for :-
Steels in Sub-group 1.1 (yield strength of 275N/mm2 or less)
Stainless Steels in Group 8
Nickel Alloys in Groups 41 to 48





RE: Group 8 stainless steel and hardness testing
Exemption from this rule does not apply for sour service. MR-0175/ISO 15156-3, recommends hardness measurements under clause 6.2.2.2.2.
What're the service requirements applicable or the design requirements you've in mind ???
Thanks
Pradip Goswami,P.Eng.IWE
Welding & Metallurgical Specialist
Ontario, Canada.
ca.linkedin.com/pub/pradip-goswami/5/985/299