normal style="BACKGROUND: #fafafa; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-outline-level: 2" align=left>H70黃銅棒,H70黃銅板,H70黃銅帶,H70黃銅管,H70黃銅線,H70黃銅排?? ?
normal style="BACKGROUND: #fafafa; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-outline-level: 2" align=left>特性及適用范圍;標(biāo)準(zhǔn):GB/T 2059-2000 ●特性及適用范圍: H70黃銅有極為良好的塑性(是黃銅中最佳者)和較高的強(qiáng)度,可切削加工性能好,易焊接,對(duì)一般腐蝕非常安定,但易產(chǎn)生腐蝕開裂。H70黃銅用于熱交換器,造紙用管,機(jī)械,電子零件。
normal style="BACKGROUND: #fafafa; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-outline-level: 2" align=left>化學(xué)成分: 銅 Cu :68.5~71.5 ;鋅 Zn:余量 ;鉛 Pb:≤0.03 ;磷 P:≤0.01 ;鐵 Fe:≤0.10 ;銻 Sb :≤0.005 ;鉍 Bi:≤0.005 ;注:≤0.3(雜質(zhì))
normal style="BACKGROUND: #fafafa; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-outline-level: 2" align=left>力學(xué)性能;抗拉強(qiáng)度 σb (MPa):≥290 ;伸長(zhǎng)率 δ10 (%):≥40