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Brass Stainless Steel

Product Introduction

The company has compound rolling mill, 20 high finishing mill, 950 six high finishing mill, 23 high stretch bending straightener, bell type annealing furnace, continuous annealing furnace, pickling line and other production equipment, and has obtained a number of technical achievements and invention patents. The company has set up an enterprise technology research and development center, which has passed the gjb9001c-2017 weapons and equipment quality management system certificate, ISO9001 quality management system certification, production standardization enterprise, implemented 6S management, and adhered to the principle of science and technology and scientific management; We firmly adhere to the business philosophy of taking customers as the base point, quality as the center and price as the link, and are willing to go hand in hand with peers at home and abroad to create brilliance.

1) Chemical Composition

Grade	Chemical composition of steel strip
	C	Si	Mn	P	S	Ni	Cr	Cu	Als
	%	%	%	%	%	%	%	%	%
F11	≤0.11	≤0.06	0.30-0.55	≤0.02	≤0.01	≤0.3	≤0.15	≤0.2	0.02-0.1
F18	0.11-0.19	≤0.06	0.35-0.55	≤0.02	≤0.01	≤0.3	≤0.15	≤0.2	0.02-0.1
SPHC	≤0.15	≤0.05	≤0.6	≤0.035	≤0.035	-	-	-	≥0.010
DC04	0.08	-	0.4	0.025	0.02	-	-	-	0.02

Grade	Chemical composition of copper strip
	Cu+Ag (min)	P	Bi	Sb	As	Fe	Pb	S	Zn	Total impurities
	%	%	%	%	%	%	%	%	%	%
H90	88-91	-	-	-	-	≤0.1	≤0.02	-	allowance	≤0.2
T2	99.9	-	0.001	0.002	0.002	0.005	0.005	0.005	-	-
H65	63.5-68.0	0.03	-	-	-	0.1	-	-	Rem.	0.3

2) Mechanical properties and metallographic structure

Material	tensile strength(Mpa)		Elongation(%)		Grain size	Pearlite	Non-metallic inclusionsA/B/C/D
Material	Annealed	half hard	Annealed	half hard	Grain size	Pearlite	Non-metallic inclusionsA/B/C/D
H90/SPHC/H90	290~355	360~455	≥36%	≥8%	7-10	1-5	≤2.5
H90/F11/H90	265~365	-	≥43%	-	7-10	1-5	≤2.5
H90/F18/H90	305~395	-	≥37%	-	7-10	2-6	≤2.5

3) Comparison of Temperature Compounding Process With Traditional Thermal Compounding And Explosive Compounding

	Performance	Warm compound	Thermal compound	Explosive compound
1	Craft	High temperature rolling force calendering + molecular penetration	Hot rolling with small rolling force	Contact surface welding
2	Compound form	Metallurgical bonding	Mechanical engagement	Metallurgical bonding
3	Composite strength	★★★	★	★★
4	Material form	strip/plate,good consistency	strip/ plate,poor consistency	plate、poor consistency
5	Machinability	Equivalent to single metal	Poor bimetal bond strength	Equivalent to single metal
6	Surface Quality	★★★	★	★
7	Precision	Can be processed repeatedly to micron level	Large tolerance fluctuations	Maximum tolerance fluctuation
8	Yield	high	low	Extremely low
9	Energy saving	Low energy consumption	High energy consumption	High energy consumption
10	safety	Safety	Safety	Dangerous

Excellent:★★★ Medium:★★ Common:★

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