sand box

5, electronic resistivity controlled in 17.489-18.125?

4, chemical composition relying on enterprise inside standard, S<=0.03%,P<=0.035%, harmful element<0.7% which is below GB/T11352-89.

3, GB/T6414-1999 casting size common difference and machine-finishing remainder

2, GB/T5613-1995 cast steel trademark expression method

1, GB/ T11352-1989 casting carbon steel for general engineering

(3),production standard:

4, sizes according to the consumers drawings.

3, smooth surface and without sand holes,slag, crack, blowhole or shrinks.

2, castings uses automatic control aging treatment

(2)specification: 1, material component according to the consumer

High quality and efficient productions can be directly used economically and practicably without cleaning up by the users thanks to the advanced Lost Foam Production(EPC) line , post treatment by automatic reverberatory furnace processing and surface treatment by shot blasting machine. High qualities productions produced by specialized milling machine, make it very popular among our customers so that it has a wide international market.

according to different purposes into complex sand box and simple sand box etc,box adopts
steel,channels,stainless steel nets