Warning: Illegal string offset 'width' in /www/wwwroot/luosibaike/wp-content/plugins/wpjam-basic/public/wpjam-cdn.php on line 326

Warning: Illegal string offset 'height' in /www/wwwroot/luosibaike/wp-content/plugins/wpjam-basic/public/wpjam-cdn.php on line 326

Warning: Illegal string offset 'width' in /www/wwwroot/luosibaike/wp-content/plugins/wpjam-basic/public/wpjam-cdn.php on line 332

Warning: Illegal string offset 'height' in /www/wwwroot/luosibaike/wp-content/plugins/wpjam-basic/public/wpjam-cdn.php on line 332

GB /T 1228 – 1991 钢结构用高强度大六角头螺栓

1、GB /T 1228 – 1991 钢结构用高强度大六角头螺栓规范图纸:

GB /T 1228 - 1991 钢结构用高强度大六角头螺栓规范图纸

2、GB /T 1228 – 1991 钢结构用高强度大六角头螺栓规范规格数据:

螺纹规格 d   M12 M16 M20 M22 M24 M27 M30
螺距 P   1.75 2 2.5 2.5 3 3 3.5
c max 0.8 0.8 0.8 0.8 0.8 0.8 0.8
c min 0.4 0.4 0.4 0.4 0.4 0.4 0.4
da max 15.23 19.23 24.32 26.32 28.32 32.84 35.84
ds max 12.43 16.43 20.52 22.52 24.52 27.84 30.4
ds min 11.57 15.57 19.48 21.48 23.48 26.16 29.16
dw min 19.2 24.9 31.4 33.3 38 42.8 46.5
e min 22.78 59.56 37.29 39.55 45.2 50.85 55.37
k 公称 7.5 10 12.5 14 15 17 18.7
k max 7.95 10.75 13.4 14.9 15.9 17.9 19.75
k min 7.05 9.25 11.6 13.1 14.1 16.1 17.65
r min 1 1 1.5 1.5 1.5 2 2
s max 21 27 34 36 41 46 50
s min 20.16 26.16 33 35 40 45 49
B                                  L 公称 <45 ≥45 <55 ≥55 <65 ≥65 <70 ≥70 <75 ≥75 <80 ≥80 <85 ≥85
公称 25 30 30 35 35 40 40 45 45 50 50 55 55 60

三、替代标准:

钢结构用高强度大六角头螺栓 GB /T 1228 – 2006

原创文章,作者:螺丝小生,如若转载,请注明出处:http://luosibaike.com/gb-t-1228-1991.html

发表评论

登录后才能评论