Sunday, September 19, 2010

[MW:7086] Re: 16Mo3 group numer in EN standard

Dear Mr. Eray Abaci

According to CEN ISO/TR 20172:2004 (Grouping systems for materials -
European Materials) which is the Technical Recommendation for group
numbers it is Group 1.1 instead of 1.2 as mentioned by Mr. Limesh. If
you take a look at the EN 15608 group 1.2 you can see thiss is for
materials having a minimum specified yield strength of >275 - 360 MPa.
The material 16Mo3 has a minimum specified yield strength of 275 MPa
(applies only for thickness's up to 16 mm, larger thickness's have a
lower minimum specified yield strength) and therefore is the highest
material in Group 1.1

Best Regards,

Herman Pieper

On 18 sep, 08:59, Eray Abaci <erayab...@hotmail.com> wrote:
> Hi friends,
> Can anybody tell what is the group number of EN10028-2 16Mo3 material according to EN. I m going to prepare PQR and WQT according to EN287  standard, for to qualify that material but we have conflict with client about group number of material.
> Thank you in advance

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