??????????????????????????????Q235B?????Q345B????????????????10#—40#??С?????????????????????????б?????????????????????????????п??????????С??????10#-16#??????????????????п??
??????????????????????????￡?10#????????48?/?? 50?/?? 60?/????12#????????40?/????14#????????30?/????16#?????30?/????18#?????24?/????20#?????16?/????14#?????14?/????25#?????14?/????28#?????12?/????32#?????6?/????

??Q235B??????Q345B??????????????????A??B??C?????


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???	???	???	????	????
10#	100	68	4.5	11.261
12#	120	74	5	13.987
14#	140	80	5.5	16.89
16#	160	88	6	20.513
18#	180	94	6.5	24.143
20#a	200	100	7	27.929
20#b	200	102	9	31.069
22#a	220	110	7.5	33.07
22#b	220	112	9.5	36.524
25#a	250	116	8	38.105
25#b	250	118	10	42.03
28#a	280	122	8.5	43.492
28#b	280	124	10.5	47.888
30#a	300	126	9	48.084
30#b	300	128	11	52.794
32#a	320	130	9.5	52.717
32#b	320	132	11.5	57.741
32#c	320	134	13.5	62.765
36#a	360	136	10	60.037
36#b	360	138	12	65.689
36#c	360	140	14	71.341
40#a	400	142	10.5	67.598
40#b	400	144	12.5	73.878
40#c	400	146	14.5	80.158
45#a	450	150	11.5	80.42
45#b	450	152	13.5	87.485
45#c	450	154	15.5	94.55
56#a	560	166	12.5	106.316
56#b	560	168	14.5	115.108
56#c	560	170	16.5	123.9
63#a	630	176	13	121.407
63#b	630	178	15	131.298
63#c	630	180	17	141.189