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結構用無縫鋼管化學成分、力學性能 |
天津恒永興主營:Q345E鋼管,Q345C鋼管,Q345D鋼管,16Mn化肥管--http://www.hot08.cn |
●結構用無縫鋼管 標準: GB/T8162-2008, ISO2937, ASTM A53 ,ASTM A106, BS EN 10210-1 ●用途: 使用范圍包括用于一般結構和機械結構,大量用于建筑、機械、交通、航空、石油開采等行業的各種結構管 ●尺寸公差:
標準 |
外徑公差 |
S/D |
厚壁公差 |
GB/T 8162 |
D≤102 |
±1%或±0.50mm,取其中較大者 |
—— |
±12.5%S |
D>102 |
≤0.05 |
±15%S |
>0.05~0.10 |
±12.5%S |
>0.10 |
+12.5%/-10%S |
DIN1629 |
D50 |
±0.50mm |
S2Sn |
+15/-10% |
D48.3D48.3 |
±1% |
2SnS4Sn |
+12.5/-10% |
S4Sn |
±9% |
ASTM A53 |
D≤48.3 |
±0.4mm |
+15%/-12.5%S |
D≥60.3 |
±1% |
ASTM A106 |
D≤48.3 |
±0.4mm |
+15%/-12.5%S |
D48.3-114.3 |
±0.8mm |
D141.3-219.1 |
+1.6/-0.8mm |
D273.0-457 |
+2.4/-0.8mm | ●力學性能:
標準 |
鋼級 |
抗拉強度(MPa) |
屈服強度(MPa) ≥ |
延伸率 |
<16mm |
16-30mm |
GB/T 8162 |
10 |
≥335 |
205 |
195 |
24 |
20 |
≥410 |
245 |
235 |
20 |
35 |
≥510 |
305 |
295 |
17 |
45 |
≥590 |
335 |
325 |
14 |
Q345B |
470-630 |
345 |
325 |
21 |
DIN 1629 |
|
≤16mm |
>16mm |
|
ST37.0 |
350-480 |
235 |
225 |
25 |
ST44.0 |
420-550 |
275 |
245 |
21 |
ST52.0 |
500-650 |
355 |
345 |
21 |
EN10210-1 |
S355 |
490-630 |
355 |
345 |
22 |
ASTM A53 |
A |
≥330 |
≥205 |
計算 |
B |
≥415 |
≥240 |
ASTM A106 |
A |
≥330 |
≥205 |
B |
≥415 |
≥240 |
C |
≥485 |
≥275 | ●化學成分(%):
標準 |
牌號 |
C |
Si |
Mn |
P≤ |
S≤ |
Cu≤ |
Ni≤ |
Cr≤ |
Mo≤ |
V≤ |
GB/T 8162 |
10 |
0.07-0.13 |
0.17-0.37 |
0.35-0.65 |
0.030 |
0.030 |
0.25 |
0.30 |
0.15 |
/ |
/ |
20 |
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
0.030 |
0.030 |
0.25 |
0.30 |
0.25 |
/ |
/ |
35 |
0.32-0.39 |
0.17-0.37 |
0.50-0.80 |
0.030 |
0.030 |
0.25 |
0.30 |
0.25 |
/ |
/ |
45 |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
0.030 |
0.030 |
0.25 |
0.30 |
0.25 |
/ |
/ |
Q345B |
≤0.20 |
≤0.50 |
≤1.70 |
0.035 |
0.035 |
0.30 |
0.50 |
0.30 |
0.10 |
0.15 |
DIN 1629 |
St37.0 |
≤0.17 |
/ |
/ |
0.040 |
0.040 |
0.25 |
0.25 |
0.25 |
/ |
/ |
St44.0 |
≤0.21 |
/ |
/ |
0.040 |
0.040 |
0.25 |
0.25 |
0.25 |
/ |
/ |
St52.0 |
≤0.22 |
≤0.55 |
≤1.60 |
0.040 |
0.035 |
0.25 |
0.25 |
0.25 |
/ |
/ |
EN 10210-1 |
S355 |
≤0.22 |
≤0.55 |
≤1.60 |
0.035 |
0.035 |
0.25 |
0.25 |
0.25 |
/ |
/ |
ASTM A53 |
A |
≤0.25 |
/ |
≤0.95 |
0.05 |
0.045 |
0.40 |
0.40 |
0.40 |
0.15 |
0.08 |
B |
≤0.30 |
/ |
≤1.20 |
0.05 |
0.045 |
0.40 |
0.40 |
0.40 |
0.15 |
0.08 |
ASTM A106 |
A |
≤0.25 |
≥0.10 |
0.27-0.93 |
0.035 |
0.035 |
0.40 |
0.40 |
0.40 |
0.15 |
0.08 |
B |
≤0.30 |
≥0.10 |
0.29-1.06 |
0.035 |
0.035 |
0.40 |
0.40 |
0.40 |
0.15 |
0.08 |
C |
≤0.35 |
≥0.10 |
0.29-1.06 |
0.035 |
0.035 |
0.40 |
0.40 |
0.40 |
0.15 |
0.08 | 咨詢最新結構用無縫鋼管價格、結構用無縫鋼管規格、結構用無縫鋼管庫存,電話:022-86868388
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