C89710无铅环保易切削抗脱锌铋黄铜合金化学成分力学性能物理性能-通项金属材料（上海）有限公司

C89710铜合金符合美国无铅规范NSF372、澳洲抗脱锌标准AS2345及欧盟RoHs认证。除水暖行业外，C89710铜合金也可应用于电气工程，信息通信，光电等出口导向型行业。

无铅环保易切削抗脱锌黄铜合金的发展不仅将提升产业链的整体质量和价值，而且大幅度提高生产效率，降低生产成本，促进中国水暖产品在的高品质。

Chemical Composition
	Element
	Cu(1)	Pb	Sn	Zn	P	Al	B	Bi	Mn	Sb
(1) Cu + Sum of Named Elements 99.8% min.
Min (%)	61.5		0.50		0.15	0.15	0.002	0.15	0.20	0.25
Max (%)	62.5	0.10	0.6	Rem	0.20	0.25	0.005	0.30	0.40	0.35

Mechanical Properties*
Form	Temper	Temper Code	YS-0.2% Offset	Elongation (%)	Brinell Hardness, 3000 kg load	Shear Strength (ksi)	Compressive Yield Strength (ksi)	Ultimate Tensile Strength in Shear (ksi)
As Permanent Mold Cast	As Permanent Mold Cast	M05	22.5 Typ	39 Typ	73 Typ	35.8 Typ	374.5 Typ	52.6 Typ
* Measured at room temperature, 68°F (20°C).

Physical Properties
Melting Point - Liquidus°F	1697
Melting Point - Solidus°F	1638
Densitylb/cu in. at 68°F	0.304
Specific Gravity	8.42
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F	54.9
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)	11.5
Modulus of Elasticity in Tensionksi	14240
Poisson's Ratio	0.301

作为值得信赖的合作伙伴和高品质金属合金的半成品供应商，通项公司拥有完善的服务体系和专业的团队。在同客户交易的过程中，我们力求根据不同的应用需求将我们的产品做到精益求精。针对当前和未来的市场需求，通项公司致力于为客户提供的金属材料解决方案。

TXCO has been a reliable partner ａnd supplier of sophisticated ａnd high-quality semi-finished products maed of alloys. In dialogue with our customers, we optimise our products to meet the specific application requirements. TXCO develops the best alloy material solutions for current ａnd future challenges.

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