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热轧U 型钢板桩尺寸公差及牌号一览表
LIST OF DIMENSIONAL TOLERANCES AND GRADES OF HOT ROLLEDU-SHAPED STEEL SHEET PILES
项目
Project
标系要求
The system requirements
国 标
National standard
日 标
Japanese standard
欧 标
European standard
尺 寸
(mm)
Dimension
(mm)
执行标准
Executive standard
GB/T 20933
JIS A5528
EN 10248-2
有效宽度(W) Effective width(W)
+10 -5
+10 -5
±2%W
有效高度(H) Effective height(H)
H≤200:±4
H>200:±5
±4
h≤200:±4
h>200:±5
腹板厚度(t) Web thickness(t)
<10±1
10-16±1.2 ≥16±1.5
<10±1
10-16±1.2 ≥16±1.5
t≤8.5-0.5
t>8.5 -6%t
长度(L)Length(L)
+200
无上限
±200
侧弯
Lateral bending
≤0.2%L
<10m <L*0.12% ≥10m≤(L-10m)*0.1%+12mm
≤0.2%L
翘曲 Warping
≤0.2%L
<10m <L*0.25% ≥10m≤(L-10m)*0.2%+25mm
≤0.2%L
端面斜度
Slope of end face
≤3%W
≤4%W
≤2%W
止水性
Water tightness
a-b≥4
-
a-b≥4
成分要求 Composition requirements
材质执行标准
Material executve standard
GB/T 20933
JIS A5528
EN 10248-1
牌号 Brand
Q355P
SY295 SY390
S320GP
S355GP
S390GP
C
≤0.2%
---
--
≤0.24%
≤0.24%
≤0.24%
Si
≤0.5%
-
--
≤0.55%
≤0.55%
≤0.55%
Mn
≤1.7%
-
--
≤1.6%
≤1.6%
≤1.6%
P
≤0.035%
≤0.040%
≤0.040%
≤0.04%
≤0.04%
≤0.035%
S
≤0.035%
≤0.040%
≤0.040%
≤0.04%
≤0.04%
≤0.035%
Cr
≤0.3%
-----
—
一
----
一
Nb
≤0.06%
-----
—
-----
--
-
V
≤0.15%
--
-----
----
----
---
Ti
≤0.05%
--
---
一
----
Ni
≤0.5%
一
--
--
一
Cu
≤0.3%
--
—
----
-
----
N
≤0.012%
-
---
≤0.012%
≤0.012%
≤0.012%
Mo
≤0.1%
---
---
---
--
---
CEV
≤0.45%
---
一
≤0.47%
≤0.47%
≤0.47%
物理性能 Physical
property
屈服 Yield
≥355MPa
≥295MPa
≥390MPa
≥320MPa
≥355MPa
≥390MPa
抗拉 Tensile
≥480MPa
≥450MPa
≥490MPa
≥440MPa
≥480MPa
≥490MPa
延伸率
Elongation
≥22%
≥24%
≥20%
≥23%
≥22%
≥20%
备注
Remarks
上表未列出的规格、牌号按技术协议均可定制
Specifications and brands not listed in the above table can be customized according to the technical agreement
