（1）Container corner casting should
be in accordance with the regulation of ISO1161
and YLQ_001 specification.
（2）For machining faces:
a. Two relatively parallel faces:
Tangent of angle of the two faces is less than
b. Two vertical faces:
Cotangent of angle of two faces is less than
c. Free of obvious tool bruises.
（3）Not indicated fillet radius R=3 mm.
（4）The thickness of holeless wall should be more
（5）Corner casting must be cleared up without sand,
sharp angle, and rags.
（6）Installation position number,the Company's mark
and heat number shall be cast on face A.