20 低中压锅炉管|低中压锅炉管|gb3087低中压锅炉管|桂林低中压锅炉管销售|山东无缝钢管厂
钢管种类 |
钢管尺寸
mm |
允许偏差 | ||
普通级 |
高级 | |||
热轧(挤)管 |
外径
D |
≤159 |
+1.0%(小值为+0.50mm) |
+1.0%(小值为+0.5mm) |
>159 |
+1.0% |
+1.0% | ||
壁厚
S |
≤20 |
+15%(小值为+0.45mm)
-12.5%(小值为-0.35mm) |
+1.0%(小值为+0.30mm) | |
>20 |
+12.5% |
+10% | ||
D≥351热扩钢管 |
+15% | |||
冷拔(轧)管 |
外径
D |
10~30 |
+0.40mm |
+0.20mm |
>30~50 |
+0.45mm |
+0.25mm | ||
>50 |
+1.0% |
+0.75% | ||
壁厚
S |
1.5~3.0 |
+15%
-10% |
+10% | |
>3.0 |
+12.5%
-10% |
+10% |
标准 |
牌号 |
抗拉强度(MPa) |
屈服强度(MPa) |
伸长率(%) |
GB3087 |
10 |
335-475 |
≥195 |
≥24 |
20 |
410-550 |
≥245 |
≥20 |
标准 |
牌号 |
化学成分 | |||||||||
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V | ||
GB3087 |
10 |
0.07-0.14 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
≤0.15 |
/ |
≤0.25 |
≤0.25 |
/ |
20 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
≤0.25 |
/ |
≤0.25 |
≤0.25 |
/ |
标准 |
外径 |
壁厚 |
壁厚允许偏差 |
DIN17175 |
≤130 |
S≤2·Sn |
+15%,-10% |
2·Sn |
+12.5%,-10% | ||
S>4·Sn |
±9% | ||
>130 |
S≤0.05da |
+15%,-10% | |
0.05da |
±12.5% | ||
S>0.11da |
±10% | ||
GB3087 |
-- |
3-20 |
+12.5%,-12.5% |
>20 |
±10% | ||
ASME SA450 |
-- |
2.4-3.8 |
+35%,-0% |
>3.8-4.6 |
+35%,-0% | ||
>4.6 |
+23%,-0% | ||
ASME SA530 |
-- |
-- |
±12.5% |
标准 |
外径 |
外径允许偏差 |
DIN17175 |
≤100 |
±0.75% (min=0.5mm) |
>100 |
±0.90% | |
GB3087 |
≤159 |
+1.25% -1.0% |
ASME SA450 |
≤101.6 |
+0.4 -0.8 (mm) |
>101.6-190.5 |
+0.4 -1.2 (mm) | |
ASME SA530 |
≤48.3 |
+0.4 -0.8 (mm) |
>48.3-114.3 |
±0.8 (mm) | |
>114.3 |
+1.6 -0.8 (mm) |
牌号 |
抗拉强度 |
下列壁厚钢管的
屈服点不小于 |
伸长率
δ5%
不小于 |
冲击功
(纵向)
不小于 |
硬度不大于 |
采用标准 | ||
洛氏硬度 |
布氏硬度 | |||||||
<15mm |
≥15mm |
壁厚
<5.1mm |
壁厚
≥5.1mm | |||||
St35.8 |
360-480 |
235 |
225 |
25 |
- |
- |
- |
DIN17175 |
Sr45.8 |
410-530 |
255 |
245 |
21 |
- |
- |
- | |
15Mo3 |
450-600 |
270 |
22 |
- |
|
- | ||
13CrMo44 |
440-590 |
290 |
22 |
- |
|
- | ||
10CrMo910 |
450-600 |
280 |
20 |
- |
|
- | ||
14MoV63 |
460-610 |
320 |
20 |
55 |
|
| ||
12Cr1MoV |
470-640 |
255 |
245 |
21 |
41 |
- |
- | |
|
|
<15mm |
≥15mm |
|
|
|
|
|
SA192 |
≥325 |
180 |
35 |
- |
77HRB |
137HB |
ASMESA192 | |
SA106-B |
≥415 |
240 |
查表 |
- |
- |
- |
ASMESA106 | |
SA106-C |
≥485 |
275 |
- |
- |
- | |||
SA556-C2 |
≥480 |
280 |
- |
- |
|
ASMESA556 | ||
SA210-A1 |
≥415 |
255 |
- |
79HRB(143HB) |
ASMESA210 | |||
SA210-C |
≥485 |
275 |
- |
89HRB(179HB) | ||||
SA209-T1a |
≥415 |
220 |
- |
81HRB |
153HB |
ASMESA209 | ||
SA213-T12 |
≥415 |
205 |
- |
163HB(85HRB) |
ASMESA213 | |||
SA213-T22 |
≥415 |
205 |
- |
163HB(85HRB) |
采用标准 |
牌号 |
C |
Si |
Mn |
P≤ |
S≤ |
Cr |
Mo |
V |
GB3087 |
10 |
0.07-0.14 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
≤0.15 |
- |
- |
20 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
≤0.25 |
- |
- | |
DIN 17175 |
St35.8 |
≤0.17 |
0.10-0.35 |
0.40-0.80 |
0.030 |
0.030 |
- |
- |
- |
St45.8 |
≤0.21 |
0.10-0.35 |
0.40-1.20 |
0.030 |
0.030 |
- |
- |
- | |
15Mo3 |
0.12-0.20 |
0.10-0.35 |
0.40-0.80 |
0.030 |
0.030 |
- |
0.25-0.35 |
- | |
13CrMo44 |
0.10-0.18 |
0.10-0.35 |
0.40-0.70 |
0.030 |
0.030 |
0.70-1.10 |
0.45-0.65 |
- | |
10CrMo910 |
0.08-0.15 |
≤0.50 |
0.40-0.70 |
0.030 |
0.030 |
2.00-2.50 |
0.90-1.20 |
- | |
14MoV63 |
0.10-0.18 |
0.10-0.35 |
0.40-0.70 |
0.030 |
0.030 |
0.30-0.60 |
0.50-0.70 |
0.22-0.32 | |
12Cr1MoV |
0.08-0.15 |
0.17-0.37 |
0.40-0.70 |
0.030 |
0.030 |
0.90-1.20 |
0.25-0.35 |
0.15-0.30 | |
ASME |
|
0.08-0.15 |
0.45-0.75 |
0.45-0.65 |
0.030 |
0.030 |
1.60-2.10 |
0.50-0.65 |
0.28-0.42 |
ASME SA192 |
SA192 |
0.06-0.18 |
≤0.25 |
0.27-0.63 |
0.035 |
0.035 |
- |
- | |
ASME SA106 |
SA106-B |
≤0.30 |
≥0.10 |
0.29-1.06 |
0.035 |
0.035 |
- |
- | |
SA106-C |
≤0.35 |
≥0.10 |
0.29-1.06 |
0.035 |
0.035 |
- |
- | ||
ASME SA556 |
SA556-C2 |
≤0.30 |
≥0.10 |
0.29-1.06 |
0.035 |
0.035 |
- |
- | |
ASME SA209 |
SA209-T1a |
0.15-0.25 |
0.10-0.50 |
0.30-0.80 |
0.025 |
0.025 |
- |
0.44-0.65 | |
ASME SA210 |
SA210-A1 |
≤0.27 |
≥0.10 |
≤0.93 |
0.035 |
0.035 |
- |
- | |
SA210-C2 |
≤0.35 |
≥0.10 |
0.29-1.06 |
0.035 |
0.035 |
- |
- | ||
ASME SA213 |
SA213-T12 |
0.05-0.15 |
≤0.50 |
0.30-0.61 |
0.025 |
0.025 |
0.80-1.25 |
0.44-0.65 | |
SA213-T22 |
0.05-0.15 |
≤0.50 |
0.30-0.60 |
0.025 |
0.025 |
1.90-2.60 |
0.87-1.13 |
主要材质 |
10、20 |
执行标准 |
GB3087-1999 |
用途 |
低中压锅炉过热用管、沸水管、机车、大小烟管 |
规格范围 |
ф10-530×2-40 |
标准 |
牌号 |
抗拉强度(MPa) |
屈服强度(MPa) |
伸长率(%) |
DIN 17175 |
St35.8 |
360-480 |
≥235 |
≥25 |
St45.8 |
410-530 |
≥255 |
≥21 | |
15Mo3 |
450-600 |
≥270 |
≥20 | |
13CrMo44 |
440-590 |
≥290 |
≥20 | |
10CrMo910 |
450-600 |
≥280 |
≥18 |
标准 |
牌号 |
化学成分 | |||||
C |
Si |
Mn |
P、S |
Cr |
Mo | ||
DIN 17175 |
St35.8 |
≤0.17 |
0.10-0.35 |
0.40-0.80 |
≤0.030 |
/ |
/ |