BS EN 12454:1998被替代
Founding. Visual examination of surface discontinuities. Steel sand castings
出版：British Standards Institution
专家解读视频
Defines a procedure for use in visual examinations for the assessment of surface discontinuities of steel castings made in conventional sand moulds. Not applicable to steel castings manufactured by the resin-shell-investment and other precision moulding methods. Specifies several categories of discontinuities and severity levels within each of these categories.
© British Standards Institution 2013
NF EN 12454:1998 - Identical
ONORM EN 12454:1998 - Identical
DIN EN 12454 (1998-07) - Identical
SN EN 12454:1998 - Identical
NEN EN 12454:1998 - Identical
SS EN 12454 Ed. 1 (1998) - Identical
UNE EN 12454:1999 - Identical
NS EN 12454 Ed. 1 (1998) - Identical
I.S. EN 12454:1998 - Identical
UNI EN 12454:2000 - Identical
NBN EN 12454:1998 - Identical
