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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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