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