|
|
发表于 2013-9-29 13:30:01
|
显示全部楼层
SPECIFICATION FOR STEEL PLATES
FOR BOILERS AND PRESSURE VESSELS
SA/GB 713
(Identical with GB 713-2008, with these additional requirements.)
1. Additional Requirements
1.1 Chemical Composition
In addition to the chemical composition requirements
of Table 1 and para. 6.1.1.3 of this specification, the limits
on elements listed in SA-20/SA-20M, Table 1 shall be
observed.
1.2 Marking
In addition to the marking requirements of this
specification, all products are to be identified by this SA/GB
specification designation.
1.3 Controlled rolling shall be as defined in Figure X1.1
of SA-841.
1.4 For material Grades Q245R and Q345R plates over
1.50 in. (40 mm) in thickness shall be normalized.
2. Source
2.1 See Nonmandatory Appendix A for ordering
information to obtain an English language copy of GB 713
and its references.
这里面有Q245R,II里有?
|
|
|