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钢砂

一、钢砂出产履行规范:

zanmenyankuanguobiao“gb/t18838.3-2008 gaotanzhugangwanhesha”、meiguozhugangxiehui“sfsa20-66zhugangmoliaoguifan”、meiguoqichegongchengshixiehui“sae j1993zhugangshaguifan”,zhonghuaguomingongheguoxuanseyejinxingye“yb/t5150-1993zhugangshaguifan”、meiguojunbiao“mil-s-851cqingsuanjiqianghuayongjinshuleigangshajigangwan”jiguojiguifanhuagouzao“iso11124-3gaotanzhugangwanzhugangshaguifan”laichuchan。

SAE
用处
G-12
G-14
G-16
清算大、中型铸钢、铸铁、锻造品、钢材、钢板、橡胶粘着前处置等
G-18
G-25
G-40
石料切割,研磨加工,橡胶粘着前处置,钢板、集装箱,船体钢板涂装前处置,喷洗中、小型铸钢、铸铁、锻造品等。
G-50
G-80
G-120
钢丝、扳手、钢管之除锈,镀前处置,紧密锻造品(如高尔夫球头)之喷洗

二、铸钢砂的用处:

qingsuan:paowanqingsuan、penwanqingsuan、yazhujianqingsuan、zhujianpaowanqingsuan、duanjianpaowanqingsuan、duanjianpenwanqingsuanzhujianqingsha、gangbanqingsuan、gangcaiqingsuan、gangbanqingsuan、hxinggangqingsuan、gangbujuqingsuan。 

chuxiu:paowanchuxiu、penwanchuxiu、zhujianchuxiu、duanjianchuxiu、gangbanchuxiu、duanjianchuyanghuapi、gangcaichuxiu、hxinggangchuxiu、gangbujuchuxiu。

qianghua:paowanqianghua、rechuzhijianpenwanqianghua、chilunpenwanqianghua。 

penwan:xinggangpenwan、xinggangpensha、chuanbanpaowan、gangbanpenwan、gangcaipenwan。 

paowan:gangbanpaowan、gangcaipaowan、xinggangpaowan。 

dasha:dashachuzhi。 

三、铸钢砂预处置:

tuzhuangqianchuzhi、tuzhuangyuchuzhi、waibiaoyuchuzhi、chuanbanyuchuzhi、xinggangyuchuzhi、gangcaiyuchuzhi、gangbanyuchuzhi、gangbujuqianchuzhi。 

四、铸钢砂的合用装备:

zhugangshashouyaoheyongyuguntongshi、lianshi、diaogoushi、lvdaishi、jingyouguochengshi、zhuantaishi、jifangshi、bujinshi、taicheshipaowanji(paowanqi)、paowanqingsuanji、paowanqingsuanzhuangbei、penwanji、penpaowan、penwanzhuangbei、penshaji、penshazhuangbei、chuxiuzhuangbei,gangcaiyuchuzhichuchanxian、gangbanyuchuzhichuchanxian、gangbujuyuchuzhichuchanxian、shafangzhongdezhuangbei。

五、铸钢砂化学成份目标:

名 称
铸钢砂
化学成份
碳(C)
0.80-1.1%
锰(Mn)
0.60-1.20%
硅(Si)
0.50-1.20%
硫(S)
≤0.03%
磷(P)
≤0.03%
平均硬度(500g荷载下测定)
GP钢砂:42-50HRC (399-509HV)
GL钢砂:56-60HRC (620-713HV)
GH钢砂:63-66HRC (795-889HV)
硬度误差
最大误差规模为±3.0HRC或±40HV
金相构造
平均的回火马氏体或回火屈氏体+弥散散布碳化物
最小密度(酒精置换法测定)
7.5g/cm3

六、铸钢砂型号规格表:

目数
mm
铸钢砂规格
2.5
2.0
1.7
1.4
1.2
1.0
0.7
0.4
0.3
0.2
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
13
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
95%min
 
 
40
0.425
90%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