地址:淄博市周村区萌水镇中心大街288号
电话:0533-6888856 6888345
传真:0533-6888897
E-mail:shichang@taa.net.cn |
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钢丸S330 |
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钢丸技术指标
项目
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国家标准钢丸
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高质量钢丸
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化
学
成
份
%
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碳C
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0.85-1.20
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0.10-0.20
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硅Si
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0.40-1.20
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0.10-0.35
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锰Mn
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0.60-1.20
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0.35-1.5
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硫S
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<0.05
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<0.05
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磷P
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<0.05
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<0.05
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硬度
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钢丸
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HRC40-50
HRC55-62
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HRC42-48
HRC48-54
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密度
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钢丸
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≥7.20 g/cm3
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7.4g/cm3
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金相组织
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回火马氏体或屈氏体
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回火马氏体+贝氏体 复相组织
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外观
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圆球形
空心颗粒﹤10%
裂纹颗粒<15%
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圆球形
空心颗粒﹤5%
裂纹颗粒<10%
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筛网号
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英寸
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筛网
孔径
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SAE J444 钢丸
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S930
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S780
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S660
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S550
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S460
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S390
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S330
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S280
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S230
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S170
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S110
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S70
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6
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0.132
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3.35
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All Pass
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7
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0.111
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2.80
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All Pass
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8
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0.0937
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2.36
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≥90%
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All Pass
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10
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0.0787
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2.00
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≥97%
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≥85%
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All Pass
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All Pass
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12
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0.0661
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1.70
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≥97%
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≥85%
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≤5%
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All Pass
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14
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0.0555
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1.40
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≥97%
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≥85%
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≤5%
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All Pass
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16
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0.0469
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1.18
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≥97%
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≥85%
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≤5%
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All Pass
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18
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0.0394
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1.00
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≥96%
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≥85%
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≤5%
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All Pass
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20
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0.0331
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0.850
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≥96%
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≥85%
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≤10%
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All Pass
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25
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0.0280
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0.710
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≥96%
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≥85%
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≤10%
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30
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0.0232
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0.600
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≥96%
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≥85%
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All Pass
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35
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0.0197
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0.500
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≥97%
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≤10%
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40
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0.0165
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0.425
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≥85%
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All Pass
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45
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0.0138
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0.355
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≥97%
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≤10%
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50
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0.0117
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0.300
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≥80%
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80
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0.007
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0.180
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≥90%
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≥80%
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120
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0.0049
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0.125
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≥90%
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200
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0.0029
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0.075
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GB
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2.8
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2.5
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2.0
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1.7
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1.4
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1.2
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1.0
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0.8
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0.6
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0.4
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0.3
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0.2
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