• SA302MGradeC

Certificates

 

WKZ019-2006        SA302MGr.C

Perform technical conditions: WYJ009-2004

Heat treatment system:

normalized: 910 ±10 ℃, heat preservation time > 1.5 min/mm.

Tempering: 640 ~ 650 ℃, heat preservation time > 3.5 min/mm

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