Square Manhole Cover

HeiYan Internation Limited Company is a professional, Sand casting manufacturer. we are able to offer competitive prices and a relatively large capacity with an annual production of 1200 tons.

1.A sand casting or a sand molded casting is a cast part produced by forming a mold from a sand mixture and pouring molten liquid metal into the cavity in the mold. The mold is then cooled until the metal has solidified. In the last stage the casting is separated from the mold. There are six steps in this process:

1)Place a pattern in sand to create a mold.

    2)incorporate a gating system.

3)Remove the pattern.

4)Fill the mold cavity with molten metal.

5)Allow the metal to cool.

6)Break away the sand mold and remove the casting.

               2.Type:

 Square Manhole Cover

              3.Material:

 Iron

               4.Specifications :

 300 * 300-900 * 900MM

                5.Carrying capacity:

 125,250,400 (kN)

        6.Load rating:

 B125, C250, D400

               7.Scope:

 A variety of optional

              Our management team has extensive experience in the Sand Casting industry - experience that will benefit you through higher quality parts, produced on time. We operate under a single tier management system, which allows us to provide you with lightn  ing-quick response to your needs.

    E-mail:heiyan_sale2@yahoo.com.cn

 MSN:heiyan_sale2@yahoo.com.cn

 FAX:86-317-3017257

TEL:86-13473404025