Item:	Washer for insulation pin
Material:	Galvanized steel sheet, SS304
Standard:	Q235,  SS304
Dia.	For pins 3mm or 4mm Dia.
Dimension:	38mm dia.
Thickness:	0.4-0.6mm
Chemical ingredients:	Galvanized			SS304
	C	0.025-0.05		C	≤0.08
	Mn	0.20-0.23		Mn	≤2
	Si	0.011-0.031		Si	≤1
	P	0.007-0.016		P	≤0.045
	S	0.010-0.019		S	≤0.03
	Al	0.021-0.052		Cr	18-20
				Ni	8-10