鹽城市蘇北龍金屬磨料有限公司
電 話:0515-83752570 137-7028-2341
傳 真:0514-82932644
郵 箱:subeilong@126.com
網 址:qfmq.com.cn
地址:江蘇省鹽城市大豐區西團鎮大龍工業區鑫磊路2號(寶豐鋼廠向西800米)
鑄鋼砂
鑄鋼砂 也叫棱角砂、鋼砂、合金鋼砂等,是選用8目以上的半成品鋼丸經破碎、回火、分篩成大小規格的多棱多面形體的金屬顆粒,此種磨料尖棱狀的,合適的硬度,特別適合于鋼材表面快速去除氧化皮預處理作業。
鑄鋼砂粒度分布
mesh |
mm |
規格 |
|||||||||
2.5mm |
2.0mm |
1.7mm |
1.4mm |
1.2mm |
1.0mm |
0.7mm |
0.4mm |
0. 3mm |
0.2mm |
||
7 |
2.80 |
all pass |
|
|
|
|
|
|
|
|
|
8 |
2.36 |
|
all pass |
|
|
|
|
|
|
|
|
10 |
2.00 |
80%min |
|
all pass |
|
|
|
|
|
|
|
12 |
1.70 |
90%min |
80%min |
|
all pass |
|
|
|
|
|
|
14 |
1.40 |
|
90%min |
80%min |
|
all pass |
|
|
|
|
|
16 |
1.18 |
|
|
90%min |
75%min |
|
all pass |
|
|
|
|
18 |
1.00 |
|
|
|
85%min |
75%min |
|
all pass |
|
|
|
20 |
0.850 |
|
|
|
|
|
|
|
|
|
|
25 |
0.710 |
|
|
|
|
85%min |
70%min |
|
all pass |
|
|
30 |
0.600 |
|
|
|
|
|
|
|
|
|
|
35 |
0.500 |
|
|
|
|
|
|
|
|
|
|
40 |
0.425 |
|
|
|
|
|
80%min |
70%min |
|
all pass |
|
45 |
0.355 |
|
|
|
|
|
|
|
|
|
|
50 |
0.300 |
|
|
|
|
|
|
80%min |
65%min |
|
all pass |
80 |
0.180 |
|
|
|
|
|
|
|
75%min |
65%min |
|
120 |
0.125 |
|
|
|
|
|
|
|
|
75%min |
60%min |
200 |
0.075 |
|
|
|
|
|
|
|
|
|
70%min |
325 |
0.045 |
|
|
|
|
|
|
|
|
|
|
SAE |
G-10 |
G-12 |
G-14 |
G-16 |
G-18 |
G-25 |
G-40 |
G-50 |
G-80 |
G-120 |
主要技術參數:
名稱 |
GP鋼砂 |
GL鋼砂 |
GH鋼砂 |
|
|
化學成分 (%) |
碳(C) |
0.85-1.20 |
|
||
錳(Mn) |
0.60-1.20 |
|
|||
硅(Si) |
>0.40 |
|
|||
硫(S) |
<0.05 |
|
|||
磷(P) |
<0.05 |
|
|||
硬 度 |
42-50HRC |
56-60HRC |
800-990HV |
|
|
硬度偏差 |
最大偏差范圍為±3.0HRC |
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金相組織 |
回火馬氏體 、回火屈氏體 |
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最小密度 (可采用酒精置換法測定) |
7.4g/CC |