Train wheels part from China manufacturer - Zhejiang Frank Precision Casting Co., Ltd.

Payment Terms:	T/T
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Means of Transport: Ocean

Delivery Date: 30days

Packing: Wooden boxes or iron trunk

System shell: 7 layer of sodium silicate ...

Test:
1. Appearance routine inspection 100%.
2. Key size of each batch inspection.

product name :Train wheels part

Gate rod		Solder side	String only	Weight(kg)	Weight(kg)	Production rate(%)	Wax acceptance criteria The wax pattern is smooth, wax shavings, wax point, missing flesh from the skin and other phenomena. .
Model	Weight(Kg)
300	18.7	1	1	67	48.3	72

Melting and pouring	Formwork roasting: formwork roasting through operation when gently to prevent the falling sand.
	Melting: the ingredients is accurate, the deslagging clean, to ensure the deoxidation of liquid steel is good. Melting temperature(℃):1600-1640
	Casting: a steel cleaning furnace surface is clean, no sand and other debris. Pouring temperature(℃):1560-1600
	Note: after the pouring of the product must wait for gate Cup solidification can be grilled sand and cup must be gate placed upward from the sand pit.
Sand	The civilized sand: Do not knock the casting surface.
	Note: heat treatment before casting the hole can not have sand
Finish	Gate I root 0 mm Shot blasting equipment: Belt Type Shot Blasting Machine Steel shot granularity 0.5mm -0.8mm
	Repair welding: Allow Note: similar to the same material electrode welding repair (before heat treatment)

Chemical composition	C	Si	Mn	S	P	Mo	Cr	Carbon equivalent
%	0.15-0.25	0.20-0.40	0.30-0.60	≤0.05	≤0.04

Test:
1. Appearance routine inspection 100%.
2. Key size of each batch inspection.
3. Chemical ingredients. Mechanical tests.
4. The process discipline inspection.