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Home - Products -高壓(低中壓)鍋爐及石化工業用小口徑無縫鋼管

高壓(低中壓)鍋爐及石化工業用小口徑無縫鋼管

高壓(低中壓)鍋爐及石化工業用小口徑無縫鋼管
標準:
GB3087 —— 中國國家標準
GB5310 —— 中國國家標準
ASME SA210 —— 美國鍋爐及壓力容器規范
ASME SA213 —— 美國鍋爐及壓力容器規范
DIN17175 —— 聯邦德國工業標準
用途:
用于低中壓鍋爐(工作壓力一般不大于5.88Mpa,工作溫度在450℃以下)的受熱面管子;用于高壓鍋爐(工作壓力一般在9.8Mpa以上,工作溫度在450℃~650℃之間)的受熱面管子、省煤器、過熱器、再熱器、石化工業用管等。
主要生產鋼管牌號:
10、20、20G、20MnG、25MnG、15CrMoG、12Cr2MoG、12Cr1MoVG、12Cr2MoWVTiB、10Cr9Mo1VNb、SA210A1、SA210C、SA213 T11、SA213 T12、SA213 T22、SA213 T23、SA213 T91、SA213 T92、ST45.8/Ⅲ、15Mo3、13CrMo44、10CrMo910等
尺寸公差:


 

鋼管種類

外徑(D)

壁厚(S)

冷拔管

鋼管外徑(mm)

允許偏差(mm)

鋼管壁厚(mm)

允許偏差(mm)

>30~50

±0.3

>3~20

±10%


力學性能:
 

標準

牌號

抗拉強度(MPa)

屈服強度(MPa)

伸長率(%)

硬度

GB3087

10

335~475

≥195

≥24

/

20

410~550

≥245

≥20

/

GB5310

20G

410~550

≥245

≥24

/

20MnG

≥415

≥240

≥22

/

25MnG

≥485

≥275

≥20

/

15CrMoG

440~640

≥235

≥21

/

12Cr2MoG

450~600

≥280

≥20

/

12Cr1MoVG

470~640

≥255

≥21

/

12Cr2MoWVTiB

540~735

≥345

≥18

/

10Cr9Mo1VNb

≥585

≥415

≥20

/

ASME SA210

SA210A-1

≥415

≥255

≥30

≤143HB

SA210C

≥485

≥275

≥30

≤179HB

ASME SA213

SA213 T11

≥415

≥205

≥30

≤163HB

SA213 T12

≥415

≥220

≥30

≤163HB

SA213 T22

≥415

≥205

≥30

≤163HB

SA213 T23

≥510

≥400

≥20

≤220HB

SA213 T91

≥585

≥415

≥20

≤250HB

SA213 T92

≥620

≥440

≥20

≤250HB

DIN17175

ST45.8/Ⅲ

410~530

≥255

≥21

/

15Mo3

450~600

≥270

≥22

/

13CrMo44

440~590

≥290

≥22

/

10CrMo910

480~630

≥280

≥20

/


化學成分:
 

標準
牌號
化學成分(%)
C
Si
Mn
P
S
Cr
Mo
Cu
Ni
V
Al
W
Ti
Nb
N
GB3087
10
0.07~0.13
0.17~0.37
0.38~0.65
≤0.030
≤0.030
0.3~0.65
/
≤0.25
≤0.30
/
/
 
 
 
 
20
0.17~0.23
0.17~0.37
0.38~0.65
≤0.030
≤0.030
0.3~0.65
/
≤0.25
≤0.30
/
/
 
 
 
 
GB5310
20G
0.17~0.24
0.17~0.37
0.35~0.65
≤0.030
≤0.030
≤0.25
≤0.15
≤0.20
≤0.25
≤0.08
 
 
 
 
 
20MnG
0.17~0.24
0.17~0.37
0.70~1.00
≤0.030
≤0.030
≤0.25
≤0.15
≤0.20
≤0.25
≤0.08
 
 
 
 
 
25MnG
0.18~0.24
0.17~0.37
0.80~1.10
≤0.030
≤0.030
≤0.25
≤0.15
≤0.20
≤0.25
≤0.08
 
 
 
 
 
15CrMo
0.12~0.18
0.17~0.37
0.40~0.70
≤0.030
≤0.030
0.80~1.10
0.40~0.55
≤0.20
≤0.30
 
 
 
 
 
 
12Cr2MoG
0.08~0.15
≤0.50
0.40~0.70
≤0.030
≤0.030
2.00~2.50
0.90~1.20
≤0.20
≤0.30
 
 
 
 
 
 
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
≤0.20
≤0.30
0.15~0.30
 
 
 
 
 
12Cr2MoWVTiB
0.08~0.15
0.45~0.75
0.45~0.65
≤0.030
≤0.030
1.60~2.10
0.50~0.65
≤0.20
≤0.30
0.28~0.42
 
0.30~0.55
0.08~0.15
B 0.002~0.008
 
10Cr9Mo1VNb
0.08~0.12
0.20~0.50
0.30~0.60
≤0.020
≤0.010
8.00~9.50
0.85~1.05
≤0.20
≤0.40
0.18~0.25
≤0.015
 
 
0.06~0.10
0.03~0.07
ASME SA210
SA210A-1
0.13~0.19
≥0.1
0.45~0.65
≤0.030
≤0.030
 
 
 
 
 
 
 
 
 
 
SA210C
0.18~0.24
≥0.1
0.80~1.10
≤0.030
≤0.030
 
 
 
 
 
 
 
 
 
 
ASME SA213
SA213 T11
0.05~0.15
0.50~1.0
0.30~0.60
≤0.030
≤0.030
1.00~1.50
0.50~1.00
 
 
 
 
 
 
 
 
SA213 T12
0.05~0.15
≤0.50
0.30~0.61
≤0.030
≤0.030
0.80~1.25
0.44~0.65
 
 
 
 
 
 
 
 
SA213 T22
0.05~0.15
≤0.50
0.30~0.60
≤0.030
≤0.010
1.90~2.60
0.87~1.13
 
 
 
 
 
 
 
 
SA213 T23
0.04~0.10
≤0.50
0.10~0.60
≤0.030
≤0.030
1.90~2.60
0.05~0.30
 
 
 
≤0.030
1.45~1.75
B0.0005~0.006
0.02~0.08
≤0.040
SA213 T91
0.08~0.12
0.20~0.50
0.30~0.60
≤0.020
≤0.010
8.00~9.50
0.85~1.05
 
≤0.40
0.18~0.25
≤0.015
 
 
0.06~0.10
0.03~0.07
SA213 T92
0.07~0.13
≤0.50
0.30~0.60
≤0.020
≤0.010
8.50~9.50
0.30~0.60
 
≤0.40
0.15~0.25
≤0.015
1.50~2.00
B 0.001~0.006
0.04~0.09
0.03~0.07
DIN 17175
ST45.8/
≤0.21
0.10~0.35
0.40~1.20
≤0.040
≤0.040
 
 
 
 
 
 
 
 
 
 
15Mo3
0.12~0.20
0.10~0.35
0.40~0.80
≤0.035
≤0.035
 
0.25~0.35
 
 
 
 
 
 
 
 
13CrMo44
0.10~0.18
0.10~0.35
0.40~0.70
≤0.035
≤0.035
0.70~1.10
0.45~0.65
 
 
 
 
 
 
 
 
10CrMo910
0.08~0.15
≤0.50
0.30~0.70
≤0.025
≤0.020
2.00~2.50
0.90~1.10
≤0.30
≤0.30
 
≤0.015
 
 

 

 

 
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