朝展牌號(hào)
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化學(xué)成分(質(zhì)量分?jǐn)?shù))(%)上海朝展金屬材料有限公司
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C
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Si
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Mn
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P
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S
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Ni
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Cr
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M0
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其他
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朝展沉淀硬化型
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Astm A959 XM-12
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≤0.07
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≤1.00
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≤1.00
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≤0.04
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≤0.030
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3.5-5.50
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14.0-15.50
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Cu:2.5-4.50,Nb:0.15-0.45
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朝展樣品測(cè)試名稱
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ZZ熱處理狀態(tài)
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熱膨脹系數(shù)α,×10-6K-1
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-73~21℃
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-
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10.44
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-
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10.98
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21~93℃
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10.8
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10.8
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11.34
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11.88
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21~204℃
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10.8
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10.8
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11.7
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12.42
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21~316℃
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11.16
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11.34
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11.88
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12.78
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21~427℃
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11.34
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11.7
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12.24
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12.96
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21~482℃
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-
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-
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-
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13.14
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導(dǎo)熱系數(shù)λ,W/(m.K)
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149℃
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-
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17.9
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-
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-
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260℃
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-
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19.5
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-
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-
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460℃
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-
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22.5
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-
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-
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482℃
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-
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22.6
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-
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-
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電阻ρ,μΩ.m
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0.98
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0.77
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-
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-
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比熱J/(kg.K)(0-100℃)
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460
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419
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-
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-
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