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圆
钢
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涟钢圆钢产品多次获得湖南省名优产品称号。
Lian
Yuan Steel’s round bar have been awarded the title of
Good Quality Product in Hunan Province several times. |
名称
Variety |
牌号
Steel grades |
规格（mm）Specification |
标准代号
Standard No. |
标准水平等级
Quality Level |
碳素结构钢圆钢
Carbon Structural round steel |
Q195
Q215 Q235 Q255 Q275 |
φ12-φ70 |
GB702-86
GB700-86 |
国际一般水平International
general level |
优质钢碳素结构圆钢
High-quality carbon
structural round steel |
15#-50#
15Mn-50Mn |
φ12-φ65 |
GB699-1999
GB702-86 |
低合金圆钢
Low alloy structural round steel |
Q345 |
φ12-φ70 |
GB702-86
GB/T1591-94 |
国际一般水平International
general level |
| 牌号Steel
grades |
屈服点Yielding
Ponit(Mpa) |
抗拉强度Tensile
Strength(Mpa) |
伸长率Percentage
of Extension（%） |
冷弯试验Cold
Bending Test |
| 钢材直径Diameter(mm) |
钢材直径Diameter(mm) |
钢材直径Diameter(mm) |
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≤16 |
>16-40 |
>40-60 |
>60 |
≤16 |
>16-40 |
>40-60 |
>60 |
≤60 |
>60 |
| 不小于Not
less than |
不小于Not
less than |
弯心直径Pin
diameter(d) |
| Q195 |
195 |
185 |
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315-430 |
33 |
32 |
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| Q215 |
215 |
205 |
195 |
185 |
335-450 |
31 |
30 |
29 |
28 |
0.5a |
1.5a |
| Q235 |
235 |
225 |
205 |
195 |
375-500 |
26 |
25 |
24 |
23 |
a |
2a |
| Q255 |
255 |
245 |
235 |
225 |
410-550 |
24 |
23 |
22 |
21 |
2a |
3a |
| Q275 |
275 |
265 |
255 |
245 |
490-630 |
20 |
19 |
18 |
17 |
3a |
4a |
| 名称Variety |
牌号
Steel grades |
屈服点Yielding
Point(Mpa) |
抗拉强度Tensile
Strength(Mpa) |
伸长率Percentage
of Extension(%) |
断面收缩率Section
shrinkage Rate(%) |
优碳圆钢
High-quality
round bar |
15# |
≥225 |
≥375 |
≥27 |
≥55 |
| 20# |
≥245 |
≥410 |
≥25 |
≥55 |
| 35# |
≥315 |
≥530 |
≥20 |
≥45 |
| 45# |
≥355 |
≥600 |
≥16 |
≥40 |
| 50# |
≥375 |
≥630 |
≥14 |
≥40 |
低合金圆钢
Low alloy structural round bar |
Q345 |
≥345 |
470-630 |
≥21 |
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地 址：武汉省金属交易市场1号厅（解放大道1972号）
电 话：027-82316859
卷板直销：027-82316859
82325904(内线8109)
13971017221商务座机
82332855（住宅）
传 真： 027-82325193
联系人：丁幼坤 13971662858
http：//www.steelco.com.cn E-mail：lgsteel@163.com |
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