1. <option id="fxvgk"><form id="fxvgk"><rt id="fxvgk"></rt></form></option>

            <small id="fxvgk"><li id="fxvgk"></li></small>

            1. <mark id="fxvgk"></mark>

            2.  
              Welcome to Jiangsu ChengDe Steel Tube Share Co.,Ltd.!  
              中文 English
               
              Product Categories
              Seamless steel tubes for ships
              Seamless steel tube for transmission of
              Seamless steeI tubes for structures
              Seamless steel tubes for petroleum
              Seamless steel tubes for high-pressure
              Pipe-Line Seamless Steel Pipe
              Seamless steel tubes for oil casing and tubing
              Seamless steel tubes in small calibers for high(low and medium) pressure boilers and petrochemical i
               
               
              Home - Products -結構用無縫鋼管

              結構用無縫鋼管

              結構用無縫鋼管

              標準:

              GB/T8162——中國國家標準
              ASTM A53——美國材料與試驗學會標準
              ASME SA53 ——美國鍋爐及壓力容器規范

              用途:
              用于制造管道、容器、設備、管件及機械結構用無縫鋼管

              主要生產鋼管牌號:
              10、20、35、45、Q345、15CrMo、12Cr1MoV、A53A、A53B、SA53A、SA53B等

              尺寸公差:

              鋼管種類

              外徑(D)

              鋼管壁厚(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

              ≤30

              ±10%

              >50~219

              ±0.8%

              熱軋管

              >219

              ±1.0%

              >20

              ±10%

              力學性能:

              標準

              牌號

              抗拉強度(MPa)

              屈服強度(MPa)

              伸長率(%)

              GB/T8162

              10

              ≥335

              ≥205

              ≥24

              20

              ≥390

              ≥245

              ≥20

              35

              ≥510

              ≥305

              ≥17

              45

              ≥590

              ≥335

              ≥14

              Q345

              ≥490

              ≥325

              ≥21

              15CrMo

              ≥440

              ≥295

              ≥22

              12Cr1MoV

              ≥490

              ≥245

              ≥22

              ASTM A53

              ASME SA53

              A

              ≥330

              ≥205

              查看ASTM A53的表

              查看ASME SA53的表

              B

              ≥415

              ≥240

              化學成分:

              標準

              牌號

              化學成分(%)

              C

              Si

              Mn

              P

              S

              Cu

              Ni

              Mo

              Cr

              V

              GB/T8162

              10

              0.07~0.14

              0.17~0.37

              0.35~0.65

              ≤0.035

              ≤0.035

              ≤0.25

              ≤0.25

              /

              ≤0.15

              /

              20

              0.17~0.24

              0.17~0.37

              0.35~0.65

              ≤0.035

              ≤0.035

              ≤0.25

              ≤0.25

              /

              ≤0.25

              /

              35

              0.32~0.40

              0.17~0.37

              0.50~0.80

              ≤0.035

              ≤0.035

              ≤0.25

              ≤0.25

              /

              ≤0.25

              /

              45

              0.42~0.50

              0.17~0.37

              0.50~0.80

              ≤0.035

              ≤0.035

              ≤0.25

              ≤0.25

              /

              ≤0.25

              /

              Q345

              0.12~0.20

              0.20~0.55

              1.20~1.60

              ≤0.035

              ≤0.035

              ≤0.25

              ≤0.25

              /

              ≤0.25

              /

              15CrMo

              0.12~0.18

              0.17~0.37

              0.40~0.70

              ≤0.035

              ≤0.035

              ≤0.25

              ≤0.30

              0.40~0.55

              0.80~1.10

              /

              12Cr1MoV

              0.08~0.15

              0.17~0.37

              0.40~0.70

              ≤0.035

              ≤0.035

              ≤0.25

              ≤0.30

              0.25~0.35

              0.90~1.20

              0.15~0.30

              ASTMA53

              ASMESA53

              A

              ≤0.25

              /

              ≤0.95

              ≤0.05

              ≤0.06

              ≤0.40

              ≤0.40

              ≤0.15

              ≤0.40

              ≤0.08

              B

              ≤0.30

              /

              ≤1.20

              ≤0.05

              ≤0.06

              ≤0.40

              ≤0.40

              ≤0.15

              ≤0.40

              ≤0.08

              關鍵詞:

               

               
              http://www.www.xjtanxian.com/
              pskvic@www.xjtanxian.com
              NO.1,Sanjiang Avenue,Yanjiang Economic Development Zone,Jiangdu District,Yangzhou City,Jiangsu Province,China
              86+514+86529012
              Copy right: Jiangsu ChengDe Steel Tube Share Co.,Ltd.