灰铸铁，蠕墨铸铁，球墨铸铁的静载力学性能
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<P align=center><STRONG>性能</STRONG></P></TD>
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<P align=center><STRONG>灰铸铁</STRONG></P></TD>
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<P align=center><STRONG>蠕墨铸铁</STRONG></P></TD>
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<P align=center><STRONG>球墨铸铁</STRONG></P></TD></TR>
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<P>抗拉强度<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">σ</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">b</SPAN></SUB>/MPa</P></TD>
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<P>100~400</P></TD>
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<P>300～500</P></TD>
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<P>350～900</P></TD></TR>
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<P>0.2%屈服极限<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">σ<SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">0.2</SPAN></SUB></SPAN>/MPa</P></TD>
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<P> </P></TD>
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<P>250～400</P></TD>
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<P>256～600</P></TD></TR>
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<P>伸长率(<BR>%)</P></TD>
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<P>最大1.5</P></TD>
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<P>1.5～8.0</P></TD>
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<P>3～25</P></TD></TR>
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<P>抗弯强度σ<SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">bb</SPAN></SUB>/MPa</P></TD>
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<P>300～600500～1400</P></TD>
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<P>500～800</P></TD>
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<P>800～1200</P></TD></TR>
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<P>抗压强度σ<SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">bc</SPAN></SUB>/MPa</P></TD>
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<P>τb＝（1.1～1.2）σb</P></TD>
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<P>600～1200</P></TD>
<TD vAlign=top width=142>
<P>600～1200</P></TD></TR>
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<P>抗剪强度τ<SUB><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">b</SPAN></SUB></P></TD>
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<P>140～300</P></TD>
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<P>τb＝0.97σb</P></TD>
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<P>τb＝0.9σb</P></TD></TR>
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<P>布氏硬度HB</P></TD>
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<P>74～152</P></TD>
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<P>140～240</P></TD>
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<P>120～350</P></TD></TR>
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<P>弹性模量E／GPa</P></TD>
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<P>0.8～1.8</P></TD>
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<P>137～167</P></TD>
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<P>162～181</P></TD></TR>
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<P>σ<SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">b</SPAN></SUB>／HB</P></TD>
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<P> </P></TD>
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<P>1.9～2.7</P></TD>
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<P>2.7～3.1</P></TD></TR>
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<P>σ<SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">b</SPAN></SUB>／<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">σ<SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">0.2</SPAN></SUB></SPAN></P></TD>
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<P> </P></TD>
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<P>0.72～0.82</P></TD>
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<P>0.6～0.65</P></TD></TR>
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<P>泊松比</P></TD>
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<P> </P></TD>
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<P>0.27～0.28</P></TD>
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<P> </P></TD></TR></TBODY></TABLE>
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