型号: | NTK630 |
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品牌: | 日本日金工 |
原产地: | 日本 |
类别: | 电子、电力 / 电子元器件 / 电路板 |
标签︰ | PCB钢板 , 压合钢板 , 日金工钢板 |
单价: |
-
|
最少订量: | 10 张 |
最后上线︰2015/06/10 |
☆☆日本金工系列钢板规格表
1.化学成份(Chemical Composition-Actual Value)(按重量百分比%)
钢种 | C | Ni | Cr | Other |
NTK 630 | ≤0.07 | 3.0~5.0 | 15.0~17.5 | Cu 3.0~5.0 |
NTK S-4 | ≤0.25 | 1.0~2.0 | 16.0~18.0 | Mn 14.0~16.0 |
NTK 301 | ≤0.15 | 6.0~8.0 | 16.0~18.0 | |
2.机械的性质(Mechanical Properties )
钢种 Material | 抗拉强度 Tensile Strength | 屈服强度 Yeild Strength | 延伸率 Elongation | 硬度 Hardness |
NTK 630SH | ≧1400 | ≧1370 | ≧2 | ≧500 |
NTK 630H | ≧1400 | ≧1370 | ≧2 | ≧450 |
NTK S-4 | ≧1280 | ≧980 | ≧5 | ≧400 |
NTK 301 H | ≧1300 | ≧1000 | ≧5 | ≧400 |
NTK 301 1/2H | ≧1050 | ≧750 | ≧10 | ≧330 |
3.各寸法许容差(Inspection Standard)
项目 | 标准式样 | ||||
板厚公差 Thickness Deviation | ± | ||||
板厚偏差 Thickness Deviation | 长 Plate's Length | ≦ | ≧ | ||
偏差 Deviation | |||||
板厚测定数 Measuring points of Thickness | 长 Plate's Length | ≦ | 701~ | ≧ | |
测定数 Measuring points | 3点 3 points | 6点 6 points | 9点 9 points | ||
宽/长公差及对角线公差 Width & Length Tolerance and Squareness | 宽(长) Width(or length) | ≦ | ≧ | ||
宽、长允许公差 Width &Length Tolerance | +1/ Within +1/ | +2/ Within+2/ | |||
对角线 Squareness | Within | Within | |||
平坦度 Flatness | 长 Plate's Length | ﹤ | ≧ | ||
定盘间隙 Maximum gap from testing table | Within | Within | |||
角 Corners | R3~5程度 Approximately 3~ | ||||
4.物理性质(Physical properties)
钢种 Material | 热膨胀系数 Thermal Expansion Coefficient | 热传导率 Thermal Conductivity | |
0~ | (0~ | ( | |
NTK 630SH | 11~12 | 18 | 23 |
NTK 630H | 11~12 | 18 | 23 |
NTK S-4 | 17~18 | 21 | 25 |
NTK 301 H | 15~16 | 17 | 21 |
NTK 301 1/2H | 16~17 | 17 | 21 |
铜 Cupper | 17 | | |
付款方式︰ | TT |
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