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| Carbide anvils and pressure cylinders |
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顶锤、压缸用硬质合金牌号、性能及推荐用途 Grades of cemented carbide anvils and pressure cylinders | | 牌号 | 密度Density | 硬度Hardness | 抗弯强度T.R.S | 推荐用途 | | Grade | g/cm3 | HRA | HV3 HV | N/mm2
(Mpa) ≥ | Recommended applications | | YL10.3 | 14.95 | 90.5 | 1450 | 2300 | 两面顶顶锤专用牌号
Special grade for 2-facet anvils | | YL20.3 | 14.75 | 90 | 1400 | 3000 | 具有较高硬度及高的抗弯强度，产品经低压烧结后，
抗弯强度将提高30%以上，为六面顶顶锤通用牌号.
Universal grade for 6-facet anvils with a higher
hardness and TRS and the TRS will increase by 30%
after the products are sintered at a low pressure | | YL20.4 | 14.75 | 90 | 1400 | 3200 | 具有较高硬度及高的抗弯强度，抗热裂纹性能好,
为直径在φ160mm以上六面顶顶锤的专用牌号.
Special grade with a higher hardness and TRS and
good resistance to thermal cracking for 6-facet anvils
of a diameter over 160mm | | YL30.3 | 14.41 | 88.5 | 1250 | 3400 | 用于制造30-50kg级压缸
For manufacturing pressure cylinders of the class
of 30-50kgs |
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