CHEMICAL COMPOSITION
	TYPE 2N8	TYPE 3N	TYPE 4N
AL PURITY	99.80%	99.90%	99.99%
Si	0.2% ↓	0.05% ↓	0.005% ↓
Fe	0.25% ↓	0.07% ↓	0.005% ↓
Cu	0.04% ↓	0.01% ↓	0.005% ↓
Mn	0.03% ↓	0.01% ↓
Mg	0.03% ↓	0.01% ↓
Zn	0.03% ↓	0.01% ↓
Ti + V	0.03% ↓	0.005% ↓
PHYSICAL PROPERTY
	Tensile Strength	Elongation
H-18	19 Kg/㎟	1.3 % ↑
H-14	15 Kg/㎟	1.3 % ↑
H-12	13 Kg/㎟	1.3 % ↑
H-8	10 Kg/㎟	1.3 % ↑