同步材料型号及优化材料型号页面及新增拉伸强度，硬度，粗加工，精加工

sf_base/models/common.py

@@ -67,6 +67,10 @@ class MrsMaterialModel(models.Model):
     mf_materia_post = fields.Char("热处理后密度")
     density = fields.Float("密度(kg/m³)")
     materials_id = fields.Many2one('sf.production.materials', "材料名")
+    tensile_strength = fields.Float("拉伸强度(n/mm²)")
+    hardness = fields.Float("硬度(hrc)")
+    rough_machining = fields.Float("粗加工Vc(m/min)")
+    finish_machining = fields.Float("精加工Vc(m/min)")
     remark = fields.Text("备注")
     gain_way = fields.Selection(
         [("自加工", "自加工"), ("外协", "外协"), ("采购", "采购")],