HSn70-1AB - GB /T 8890-2007

Grade	HSn70-1AB
Corresponding Standard	GB /T 8890-2007 Seamless Copper Alloy Tube for Condenser and Heat-Exchanger
Classification	Copper and Copper Alloys

HSn70-1AB Chemical Element Composition Content (%)

Component	Fe	Mn	Ni	Cu	As	B	Pb	Sn	Other Total	More
Minimum Value	-	0.02	0.05	69	0.03	0.0015	-	0.8	-	Zn:余量
Maximum Value	0.1	2	1	71	0.06	0.02	0.05	1.3	0.3	Zn:余量

"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.

HSn70-1AB Mechanical Properties

condition	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
Seamless straight pipe	HSn70-1ABM	Soft (M)	≥295	≥42
Seamless straight pipe	HSn70-1ABY2	Half Hard (Y2)	≥320	≥38

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