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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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