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英国易高Elcometer 111-7F Ferrite Indicator英国易高Elcometer 111-7F Ferrite Indicator
价格：￥电议
品牌名称：$brandModel.Title型号：英国易高Elcometer 111-7F Ferrite Indicator原产地：中国大陆 更新时间：2026/10/22 7:59:49
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详细内容
| The Elcometer 111⁻⁷F is a hand-held magnetic gauge for checking the delta ferrite content in stainless steel weld metal. It is pre-calibrated ａnd simple to use. The readings are in Ferrite Number （FN） in accordance with WRC ａnd IIW recommendations. Operation Place the nose of the gauge onto the weld metal ａnd rest the middle of the gauge on adjacent parent metal. Turn the central wheel to the zero end of the scale, now turn it in the opposite direction until the magnet clicks off. Read the value. What is Ferrite? A minimum ferrite content in austenitic stainless steel weld metal prevents microfissures ａnd hot cracks. Too much ferrite can lead to corrosion or embrittlement at high temperatures. It is a magnetic material in an essentially non-magnetic metal ａnd so can be measured by the force of attraction due to a magnet. | |
| Ferrite Number After much testing around the world, it has been decided that it is impossible to determine accurately the true ferrite content of stainless steel weld metals. Previous figures of percentage content were very dependent on their source, the measuring instrument used ands its calibration. So Ferrite Numbers were established to define ferrite quantity ａnd are related to the ferrite quantity of an equivalently magnetic weld metal Calibration The calibration of a gauge is such that the ferrite reading can be related to the seperation of the gauge＇s magnet from low carbon mild steel plate. The primary standard is thickness ａnd the secondary standard is ferrite samples, ａnd the Calibration Certificate supplied with the Elcometer 111⁻⁷F relates the gauge reading to both standards. | |
| Range | 0 to 30 FN （WRC） |
| Accuracy | +/- 10% of the reading or +/- 1 FN |
| Model | Description | Part Number | |
| Elcometer 111⁻⁷F | Elcometer 111⁻⁷F Ferrite Indicator | A111A⁻⁷F- |
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