high-k8凯发官网
high-strength hot-rolled structural steel for construction machinery
1 main use
it is a low-carbon low-alloy structural steel with good weldability and cold formability, and can be widely used in construction machinery, vehicle structures, containers and other manufacturing industries.
2 grades and standards
grade s550mc s600mc s700mc s960mc; standard: technical agreement.
3 technical conditions of supply
3.1 product specifications
2.5～16×850～1800×2000~12000mm
3.3 mechanical properties
牌号 | 钢板厚度 | 拉伸试验 | v型冲击试验 | 弯曲试验 | ||||||
mm | 方向 | rel | rm | a | 方向 | 试验 | 冲击功 | 方向 | 弯心直径 | |
mpa | mpa | % | 温度 | 180° | ||||||
℃ | j≥ | |||||||||
s550mck4 | ≤16 | t | ≥550 | ≥600 | ≥18 | l | -20 | ≥40 | t | d=2a |
s600mcj4 | ≤10 | t | ≥600 | ≥680 | ≥15 | l | -40 | ≥27 | t | d=2a |
10-16 | ≥580 | ≥680 | ≥15 | l | ||||||
s700mck2 | 3-8 | t | ≥700 | 750~950 | ≥15 | l | -20 | ≥40 | t | d=2a |
＞8 | ≥680 | 750~950 | ≥15 | l | ||||||
s900mcj4 | 3-10 | l | ≥900 | ≥950 | ≥10 | l | -40 | ≥27 | t | d=3a |
s960mcj4 | 3-10 | l | ≥960 | ≥980 | ≥10 | l | -40 | ≥27 | t | d=3a |
s500mc | ≤16 | l | ≥500 | 550~700 | ≥14 | / | / | / | t | d=1a |
s550mc | ≤16 | l | ≥550 | 600~760 | ≥14 | / | / | / | t | d=1.5a |
s600mc | ≤16 | l | ≥600 | 650~820 | ≥13 | / | / | / | t | d=2a |
s650mc | ≤16 | l | ≥650 | 700~880 | ≥12 | / | / | / | t | d=2a |
s700mc | ≤6 | l | ≥700 | 750~950 | ≥12 | / | / | / | t | d=2a |