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product
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cast steel girt
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Chemical composition
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(C)
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0.70～1.20%
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(Mn)
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0.35～1.20%
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(Si)
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≥0.40%
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(S)
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≤0.05%
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(P)
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≤0.05%
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hardness
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GP: 42~52HRC
GL: 53~60HRC
GH: 60~64HRC
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hardness deviation
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MAX deviation ±3.0HRC
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microstructure
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tempered martensite or sorbite
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density
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7.6/cm3
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Specifications:
G10/SG2.5, G12/SG2.0, G14/SG1.7, G16/SG1.4, G18/SG1.2, G25/SG1.0, G40/SG0.7, G50/SG0.4, G80/SG0.3, G120/SG0.2