H68A 68A加砷黄铜 - GB /T 8890-2007

Grade	H68A
Other Names
Corresponding Standard	GB /T 8890-2007 Seamless Copper Alloy Tube for Condenser and Heat-Exchanger
Classification	Copper and Copper Alloys
Properties	Corrosion Resistance Impact Toughness Machinability Weldability

H68A Chemical Element Composition Content (%)

Component	Fe ^①	Ni ^②	Cu	As	Pb	Other Total	More
Minimum Value	-	-	67	0.03	-	-	Zn:余量
Maximum Value	0.1	0.5	70	0.06	0.03	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.

H68A Mechanical Properties

condition	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
Seamless straight pipe	H68AM	Soft (M)	≥295	≥42
Seamless straight pipe	H68AY2	Half Hard (Y2)	≥320	≥38

H68A Corresponding Standards(Same grade name, different standards)

1	GB /T 5231-2001
	H68A 68A加砷黄铜
2	GB /T 8890-2007
	H68A 68A加砷黄铜

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!