美國UNS C42500
對應标準 ASTM B591-2015
銅-鎳-鋅以及銅-鎳-鋅-鐵-鎳合金厚闆, 薄闆, 帶材和軋制棒材的标準規範
Copper-Zinc-Tin and Copper-Zinc-Tin-Iron-Nickel alloys plate, sheet, strip, and rolled bar
歸類 銅及銅合金
化學元素成分含量(%)
成分 Fe P Cu Pb Sn 更多
最小值 - - 87 - 1.5 Zn餘量
最大值 0.05 0.35 90 0.05 3
機械性能
條件/狀态 抗拉強度
σb
Mpa
硬度
HBW
熱軋鋼 (M20) 275~370
1/4硬(H01),0.51≤t≤0.91 (B-Scale) 340~405 (HR)
46~71
1/4硬(H01),t>0.91 (B-Scale) 340~405 (HR)
48~73
1/4硬(H01),0.30≤t≤0.71 (Superficial 30T) 340~405 (HR)
45~65
1/4硬(H01),t>0.711 (Superficial 30T) 340~405 (HR)
47~67
1/2硬(H02),0.51≤t≤0.91 (B-Scale) 395~485 (HR)
67~81
1/2硬(H02),t>0.91 (B-Scale) 395~485 (HR)
69~83
1/2硬(H02),0.30≤t≤0.71 (Superficial 30T) 395~485 (HR)
63~69
1/2硬(H02),t>0.711 (Superficial 30T) 395~485 (HR)
65~72
3/4硬(H03),0.51≤t≤0.91 (B-Scale) 430~510 (HR)
74~84
3/4硬(H03),t>0.91 (B-Scale) 430~510 (HR)
76~86
3/4硬(H03),0.30≤t≤0.71 (Superficial 30T) 430~510 (HR)
66~71
3/4硬(H03),t>0.711 (Superficial 30T) 430~510 (HR)
68~73
硬(H04),0.51≤t≤0.91 (B-Scale) 485~565 (HR)
81~88
硬(H04),t>0.91 (B-Scale) 485~565 (HR)
83~90
硬(H04),0.30≤t≤0.71 (Superficial 30T) 485~565 (HR)
70~74
硬(H04),t>0.711 (Superficial 30T) 485~565 (HR)
72~76
超硬(H06),0.51≤t≤0.91 (B-Scale) 525~605 (HR)
86~92
超硬(H06),t>0.91 (B-Scale) 525~605 (HR)
88~94
超硬(H06),0.30≤t≤0.71 (Superficial 30T) 525~605 (HR)
71~75
超硬(H06),t>0.711 (Superficial 30T) 525~605 (HR)
73~77
彈簧(H08),0.51≤t≤0.91 (B-Scale) 580~650 (HR)
89~93
彈簧(H08),t>0.91 (B-Scale) 580~650 (HR)
91~95
彈簧(H08),0.30≤t≤0.71 (Superficial 30T) 580~650 (HR)
73~77
彈簧(H08),t>0.711 (Superficial 30T) 580~650 (HR)
74~78

  • 退火材料的近似洛氏硬度

    Rockwell hardness values apply as follows: The F scale applies to metal 0.020 in. (0.5 mm) in thickness and over; the 30T scale applies to metal 0.015 in. (0.38 mm) in thickness and over.

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