A514GrQ/F
ASTM A514/A514M是一种高强度调质合金钢板
ASTM A6/A6M热轧结构钢板、型钢、板桩和棒钢通用技术条件
ASTM A370 钢产品力学试验方法和定义
尺寸、外形、重量及允许念头应符合ASTM A6/A6M的规定
化学成分:
|
C |
0.14-0.18 |
|
Si |
0.10—0.40 |
|
Mn |
≤1.20 |
|
P |
≤0.025 |
|
S |
≤0.020 |
|
Ni |
0.70—1.70 |
|
Cr |
1.0—1.5 |
|
Mo |
0.4—0.6 |
|
V |
0.03— 0.08 |
|
B |
0.0005-0.002 |
力学性能:
|
Re MPa |
Rm MPa |
A % 50mm标距 |
AKV,J 纵向 |
布氏硬度HB |
|
≥670 |
≥730 |
≥16 |
1/4 -40℃≥34 |
1/2 -27℃≥34 |
用途:
A514GrQ/F是ASTM标准下的经淬火与回火的高强度可焊接钢板,已知的用途是用在需要高抗拉,高屈服的场所,工程汽车升降齿轮,大型挖掘机,海洋平台用的齿条一般都采用A514Gr.Q或A514Gr.Q modified。因厚度而异,它的硬度在235-290之间,屈服大于630MPa,抗拉强度在700MPa以上。该产品为国内首创,国际领先,结束了我国海洋采油平台用钢板A514GrQ/F长期依赖进口的局面。实物质量符合或超过ASTM-A514标准。
可作ABS和CCS认证。
调质状态交货(淬火+回火)
截止至2013年可供A514GrF、A514GrQ二个质量等级的钢板。
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