T型钢 |
Q235B/Q345B |
30*30*4 |
T型钢 |
Q235B/Q345B |
35*35*3 |
T型钢 |
Q235B/Q345B |
35*35*4 |
T型钢 |
Q235B/Q345B |
40*40*3 |
T型钢 |
Q235B/Q345B |
40*40*4 |
T型钢 |
Q235B/Q345B |
40*40*5 |
T型钢 |
Q235B/Q345B |
40*40*6 |
T型钢 |
Q235B/Q345B |
45*45*5 |
T型钢 |
Q235B/Q345B |
45*45*4 |
T型钢 |
Q235B/Q345B |
45*45*6 |
T型钢 |
Q235B/Q345B |
50*50*5 |
T型钢 |
Q235B/Q345B |
50*50*6 |
T型钢 |
Q235B/Q345B |
50*50*7 |
T型钢 |
Q235B/Q345B |
60*60*6 |
T型钢 |
Q235B/Q345B |
60*60*7 |
T型钢 |
Q235B/Q345B |
60*60*8 |
T型钢 |
Q235B/Q345B |
50*50*5*7 |
冷拉率测定控制要求:以冷拉率控制T型钢冷拉时,控制值要由试验确定。试验测定时要求:同炉同批的测定试件,不能少于4个,每个试件都要按规范规定的冷拉应力测定相应的冷拉率,并取试件的平均值作为该炉该批T型钢的实际冷拉率。如果T型钢强度偏高,,平均的冷拉率低于1%时。