1 () 2 () 3 2/33
1.1 1. 1.2 1.3 1.4 2. 2.1 2.2 2.3 3. 3. 3/33
1.1 4/33
1.2, ) / 5/33
1.3 HRB335 HRB400 HRB500 HRB+ HRB Hot Rolled Ribbed Bars HRBF335 HRBF400 HRB500 HRBF+ HRBF Fine 6/33
1.4 7/33
2.1 2009 5.678 47% 09 0.58 -- 09 1.22 8/33
2.1 2008 4.5335.5% 20095.6550% 9/33
2.2 10/33
2.2 11/33
2.3 2.3.1 14000 12000 10000 8000 6000 4000 2000 0 12281 12151 9504 9709 9345 10137 7831 8304 6586 6776 2005 2006 2007 2008 2009 12/33
2.3 2.3.2 13/33
2.3 2.3.3 14/33
2.3 2.3.4 15/33
2.3 2.3.5 2009305.6 20092457 16/33
2.3 2.3.6 17/33
2.3 2.3.7 18/33
3. 19/33
3. 20/33
1 () 2 3 21/33
1. 1. 2. 2.1 2.2 2.3 22/33
1. 23/33 1 / 1 / 19 00~3 009 00~11 3013 30~16 00 16 00~16 15 16 15~16 30 GB1499.2-2007 2 HRB400 HRBF400 16mm18mm20mm22mm25mm GB1499.2-2007 2 HRB335 HRBF335 16mm18mm20mm22mm25mm 40 0.2 20% 5 / 0.8 / BRBW
2.1 24/33
2.1 1200 1200 3000 3000 9000 9000 60% 40% 30% 25/33
2.2 1 2 3 4 5 6 7 8 9 26/33
2.3 ( ) 1 394 202 ( ) 2 - : 3 - E : 4-512 512 : 5 - A2 27/33
2.3 ( ) 01 181818 02 50 28/33
1 () 2 () 3 29/33
1. 30/33
2. HRB400 HRB400 31/33
32/33
33/33