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Iron wire

Chemical Composition and Physical Properties

Material quality	Specification	Chemical composition%					Oxidize method
		C	Mn	Si	S	P
				≤
Q195	------	0.06-0.12	0.25-0.50	0.30	0.050	0.045	F.b.Z
Q215	A	0.09-0.15	0.25-0.55	0.30	0.050	0.045	F.b.Z
	B				0.045
Q235	A	0.14-0.22	0.30-0.65	0.30	0.050	0.045	F.b.Z
	B	0.12-0.22	0.30-0.70		0.045
	A	≤0.18	0.35-0.80		0.040	0.040	Z
	B	≤0.17			0.035	0.035	TZ
Q255	A	0.18-0.28	0.40-0.7	0.30	0.050	0.045	F.b.Z
	B				0.045
Q275	-------	0.28-0.38	0.5-0.8	0.35	0.050	0.045	b.Z

Physical properties :

Bra-nds	Gra-des	Tensile test													Impact Test
		Yield Point N/mm²						Tensile Strength N/mm²	Elongation						Tempe-rature	V impulse (long- itudi-nal)
		Steel products thickness (diameter),mm							Steel products thickness (diameter),mm
		≤16	>16 ~40	>40 ~60	>60 ~100	>100 ~150	>150		≤16	>16 ~40	>40 ~60	>60 ~100	>100 ~150	>150
		>=							>=							>=
Q195		195	185					315~430	33	32					--	-----
Q215	A	215	205	195	185	175	165	335~450	31	30	29	28	27	26	--	-----
	B														20	27
Q235	A	235	225	215	205	195	185	375~500	26	25	24	23	22	21	--	-----
	B														20	27
	C														0
	D														-20
Q255	A	255	245	235	225	215	205	410~550	24	23	22	21	20	19	--	-----
	B														20	27
Q275		275	265	255	245	235	225	490~630	20	19	18	17	16	15	--	-----

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