推荐回答(5个)
计算公式:(腹板长度*腹板厚+翼缘宽度*翼缘厚度*2)*7.85
H型钢是一种截面面积分配更加优化、强重比更加合理的经济断面高效型材,因其断面与英文字母“H”相同而得名。
由于H型钢的各个部位均以直角排布,因此H型钢在各个方向上都具有抗弯能力强、施工简单、节约成本和结构重量轻等优点,已被广泛应用。

扩展资料:
H型钢特点:
翼缘宽,侧向刚度大。
抗弯能力强,比工字钢大约5%-10%。
翼缘两表面相互平行使得连接、加工、安装简便。
与焊接工字钢相比,成本低,精度高,残余应力小,无需昂贵的焊接材料和焊缝检测,节约钢结构制作成本30%左右。
相同截面负荷下.热轧H钢结构比传统钢结构重量减轻15%-20%。
参考资料:H型钢——百度百科
热轧H型钢理论重量计算公式:热轧H型钢理论重量=*L*7.85*1/1000 其中 h----高度(MM),b----脚宽(MM),d----腰厚(MM),r----内面圆角半径(MM)r1----边端圆角半径(MM),L-----长度(M)
用截面积乘以7.85就等于单位长度重量。
截面积=t1(H-2t2)=2Bt2+0.858r*r
H-高度,B-宽度,t1-腹板厚度,t2-翼缘厚度,r-圆角直径
一般五金手册上都有说明
材理论重量表
管类:公斤/米
板类:公斤/平方米
圆钢螺纹钢
槽
钢
焊
管
镀锌管
角
钢
扁
钢
无缝管
规格
理重
规格
理重
规格
理重
规格
理重
规格
理重
规格
理重
规格
理重
6.5
0.26
5#
5.438
15
1.26
15
1.33
25*25*3
1.124
3*16
0.38
25*2.5
1.39
8
0.395
6.5#
6.709
20
1.63
20
1.73
30*30*3
1.373
4*16
0.50
32*3
2.15
10
0.617
8#
8.045
25
2.42
25
2.57
40*40*4
2.422
3*20
0.47
38*3
2.59
12
0.888
10#
10.007
32
3.13
32
3.32
50*50*5
3.77
4*20
0.63
45*4
4.04
14
1.21
12#
12.059
40
3.84
40
4.07
63*63*6
5.721
4*25
0.78
51*4
4.63
16
1.58
14a#
14.535
50
4.88
50
5.17
70*70*7
7.398
3*30
0.71
57*4
5.23
18
2
14b#
16.733
65
6.64
65
7.04
75*75*8
9.03
4*40
1.26
76*4.5
7.93
20
2.47
16a#
17.24
80
8.34
80
8.84
75*50*6
5.699
6*40
1.88
89*4.5
9.38
22
2.98
16#
19.752
100
10.85
100
11.5
80*80*8
9.658
5*50
1.96
108*4.5
11.49
25
3.85
18a#
20.174
125
15.04
125
15.94
90*90*7
9.656
8*50
3.14
127*4.5
13.59
28
4.83
18#
23
150
17.81
150
18.88
90*90*9
12.717
6*60
2.83
133*5
15.78
32
6.31
20a#
22.637
200
26.388
8*80
5.02
159*6
22.64
20#
25.777
8*100
6.28
219*7
36.6
22#
28.453
10*100
7.85
219*8
41.65
25b#
31.335
325*10
77.68
28#
35.823
377*12
108.02
30#
39.173
热
板
花纹板
方
钢
工字钢
镀锌扁钢
电线管
镀锌角钢
规格
理重
规格
理重
规格
理重
规格
理重
规格
理重
规格
理重
规格
理重
0.5
3.925
2.5
22.6
10*10
0.785
10#
11.261
25*4
0.827
15
0.625
40*4
2.567
0.75
5.888
3
26.6
12*12
1.13
12#
13.98
30*3
0.753
20
0.766
50*5
3.996
0.8
6.28
3.5
30.5
14*14
1.54
14#
16.89
40*4
1.325
25
1.048
1
7.85
4
34.4
16*16
2.01
16#
20.516
32
1.329
1.2
9.42
4.5
38.3
18*18
2.54
18#
24.143
40
1.611
1.5
11.78
5
42.3
20*20
3.14
20b#
31.069
50
2.407
2
15.7
6
50.1
25*25
4.91
22b#
36.524
2.5
19.63
8
65.8
30*30
7.06
25b#
42.03
3
23.55
28b#
47.888
4
31.4
30b#
48.084
5
39.25
6
47.1
8
62.8
10
78.5
12
94.2
14
109.9
钢材理论重量计算公式
名
称
计算公式
符号意义
计算举例
圆钢、盘条
(kg/m)
W=0.006165*d*d
d=直径mm
直径
10mm的圆钢,求每m重量。每
m重量=0.006165×10×10=0.6165kg
螺纹钢
(kg/m)
W=0.00617*d*d
d=断面直径mm
断面直径为
12mm的螺纹钢,求每m的重量。每
m的重量=0.00617×12×12=0.89kg
方
钢
(kg/m)
W=0.00785*a*a
a=边宽mm
边宽
20mm的方钢,求每m的重量。每
m的重量=0.00785×20×20=3.14kg
扁
钢
(kg/m)
W=0.00785*b*d
d=厚mm
b=边宽mm
边宽
40mm,厚5mm的扁钢,求每m的重量。每m的重量=0.00785×40×5=1.57kg
六角钢
(kg/m)
W=0.006798*s*s
s=对边距离mm
对边距离
50mm六角钢,求每m重量。每
m重量=0.006798×50×50=17kg
八角钢
(kg/m)
W=0.0065*s*s
s=对边距离mm
对边距离
80mm的八角钢,求每m的重量。每m重量=0.0065×80×80=41.62kg
等边角钢
(kg/m)
W=0.00785*[d(2b-d)+0.215(R*R-2r*r)]
b=边宽
R=内弧半径
d=边厚
r=端弧半径
求
20mm×4mm等边角钢的每m重量。从冶金产品目录中查出4mm×20mm等边角钢的R为3.5,r为1.2。则每
m重量=0.00785×[4×(2×20-4)+0.215×(3.5×3.5-2×1.2×1.2)]=1.15kg
不等边角钢
(kg/m)
W=0.00785*[d(B+b-d)+0.215(R*R-2r*r)]
B=长边宽
b=短边宽
D=边厚
r=端弧半径
R=内弧半径
求
30mm×20mm×4mm不等边角钢的每m重量。从冶金产品目录中查出30mm×20mm×4mm等边角钢的R为3.5,r为1.2。则每
m重量=0.00785×[4×(32+20-4)+0.215×(3.5×3.5-2×1.2×1.2)]=1.48kg
槽
钢
(kg/m)
W=0.00785×[hd+2t(b-d)+0.349(R*R-r*r)]
h=高
d=腰厚
b=腿长
R=内弧半径
t=平均腿厚
求
80mm×43mm×5mm的槽钢的每m重量。从冶金产品目录中查出槽钢t为8、R为8、r为4。则每
m重量=0.00785×[80×5+2×8×(43-5)+0.349×(8×8-4×4)]=8.04kg
工字钢
(kg/m)
W=0.00785×[hd+2t(b-d)+0.615(R*R-r*r)]
h=高
d=腰厚
b=腿长
R=内弧半径
t=平均腿厚
求
250mm×118mm×10mm的工字钢每m重量。从冶金产品目录中查出t为13、R为10、r为5,则每
m重量=0.00785×[250×10+2×13(118-10)+0.615×(10×10-5×5)]
钢
板
(kg/㎡)
W=7.85*d
d=厚度
厚度
4mm的钢板,求每㎡重量。每㎡重量
=7.85×4=31.4kg
钢管[包括无缝钢管及焊接钢管]
(kg/m)
W=0.02466*s(d-s)
d=外径
s=壁厚
外径为
60、壁厚4的无缝钢管,求每m重量。每
m重量=0.02466×4×(60-4)=5
150
*
100
*
5
*
6作为一个例子
?
重量每米/千克=
0.785
*
5
*
0.15
0.785
*
6
*
0.1
*
2
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