200年最新公称压力mpa管道壁厚对照表.docx

1、200年最新公称压力mpa管道壁厚对照表（2010年）最新公称压力（MPa管道壁厚对照表（一）无缝碳钢管壁厚 m m材料PNMPaDN1015202532405065801001251502002503003504004505006002012CrMo15CrMo12Cr1MoV 1.62.533333.53.544444.5567788892.52.533323.53.544444.55677889104.02.533333.53.5444.555.578910111213156.43333.53.53.544.5567891112141617192210.033.53.544.54.556

2、78910131518202216.044.55566789111315192426303420.044.556678911131518222832364.0T3.5444.5555.510Cr5Mo 1.62.533333.53.544.5444.55.577888892.52.533333.53.544.5454.55.57789910124.02.533333.53.544.555.56891011121415186.43333.5444.555.5789111314161820222610.033.5444.555.57891012151822242616.044.5556789101

3、21518222832364020.044.55678911121518222634384.0T3.5444.5555.516Mn15MnV 1.62.52.52.533333.53.53.53.544.555.5666672.52.52.52.533333.53.53.53.544.555.5677894.02.52.52.533333.53.544.55678891011126.42.53333.53.53.544.55678911121314161810.0333.53.5444.556789111315171916.03.53.544.55567891112161922252820.0

4、3.544.555.5678911131519242630（二）无缝不锈钢管壁厚 mm材料PNDNMPa1015202532405065801001251502002503003504004505006001Cr18Ni9Ti含Mo不锈钢 1.02222.52.52.52.52.52.5333.53.53.5444.51.622.52.52.52.52.5333333.53.544.5552.522.52.52.52.52.53333.53.544.556674.022.52.52.52.52.5333.544.556789106.42.52.52.53333.544.556781011131

5、44.0T33.53.54444.5（三）焊接钢管壁厚 mm材料PNMPaDN20025030035040045050060070080090010001100120014001600焊接碳钢管（Q235A200.2555555556666667770.6556666677778889101.055666778899101111121.66677889101112131415162.57899101112131516焊接不锈钢管0.2533333.53.53.54444.54.50.6333.53.53.5444.555661.03.53.544.54.555.567781.644.55667

6、789102.556789910121315内压金属直管的壁厚根据SH 3059-2001石油化工管道设计器材选用通则确定:当S0 Do /6时，直管的计算壁厚为：S0 = P D0/(2 (T t +2PY)直管的选用壁厚为：S = S0 + C式中S0 直管的计算壁厚， mmP设计压力，MPa;D0 直管外径，mmt t 设计温度下直管材料的许用应力， MPa;一一焊缝系数， 对无缝钢管， =1;S包括附加裕量在内的直管壁厚， mmC直管壁厚的附加裕量，mmY温度修正系数，按下表选取。温度修整系数表钢管壁厚表示方法有管子表号、钢管壁厚尺寸和管子重量三种方法1)是以管子表号Sch表示壁厚。管

7、子表号是管子设计压力与设计温度下材料许用应力的比值乘 1000,并经圆整后的数值。即：Sch= P/(T t x 1000ANSI B36.10 壁厚等级：SchlO、Sch20 Sch30 Sch40 Sch60 Sch80、Sch1O0 Sch120 Sch140Sch160十个等级；ANSI B36.19 壁厚等级：Sch5s Sch10s Sch40s S2)以钢管壁厚尺寸表示 中国、ISO、日本部分钢管标准采用ch80s四个等级；表示英制管壁厚系列：Sch.20-全称：Schedule 20Sch.10s-带s的系列为不锈钢专用，碳钢不用。举个例子：2 sch.10s表示2”接管的壁

8、厚为2.9mm,材质为不锈钢；2 sch.40表示2”接管的壁厚为4.0mm。3)是以管子重量表示管壁厚度，它将管子壁厚分为三种：a.标准重量管，以STD表示b加厚管，以XS表示c.特厚管，以XXS表示。对于DNC250mm的管子，Sch40相当于STD, DN92/1000=3.68 MPa中国石化总公司标准SHJ405规定了无缝钢管的壁厚系列并 Sch. 5S，Sch. 10，Sch. 10s，Sch. 20，Sch. 20s，Sch. 30，Sch. 40，Sch。40s, Sch. 60，Sch. 80，Sch. 100,Sch. 120，Sch. 140，Sch。160，如表 1-2

9、-9 所示。2.以管子重量表示管壁厚度的壁厚系列美国MSS和ANSI规定的以管子重量表示壁厚方法，将管子壁厚分为；种：(1)标准重量管以STD表示；(2)加厚管以XS表示；(3)特厚管以XXS表示。DN250mm的管子，Sch40相当于STD管。DN200mm的管子，Sch80相当于XS管。常用钢材的化学成分和机械性能冈才 序类 号别钢 号标准号化学成分%碳C锰Mn硅Si铬Cr镍Ni钼Mo钒V钛Ti冈 1A3YB175- 63板 C乂 2A3RYB536- 690.220.40 0.650.12 0.30310MnRYB536- 690.201.20 1.600.20 0.600.04 0.1

10、2415MnVRYB536- 690.181.20 1.600.20 0.600.04 0.10509Mn2VRYB536- 690.121.40 1.800.20 0.50620gGB713- 720.16 0.240.35 0.650.15 0.305(C%-0.02)0.80722gGB713- 720.19 0.260.70 0.900.17 0.3780Cr18Ni9TiYB542- 700.082.001.0017.0 19.03.0 10.591Cr18Ni9TiYB542- 700.1212.001.0017.0 19.03.0 10.50.30 0.8C1000Cr19Ni1

11、0YB542- 700.032.001.0018.0 20.08.0 12.018.0 25.0110Cr17Ni13Mo2TiYB542 700.082.000.8016.0 18.012.0 14.02.0 3.01200Cr17Ni14Mo2YB542- 700.032.001.0016.0 18.012.0 16.013A3YB231 70钢 1410YB231 700.07 0.140.35 0.650.17 0.370.150.25管 1520YB231 700.17 0.240.35 0.650.17 0.350.250.251616MnYB231 700.12 0.201.20

12、 1.600.20 0.60钢化学成分%机械性能（不小于）7序硫磷抗拉强度屈服点延伸率冲击值钢 号标准号苴/、类SPa ba SS sa b备注它别不大于kg/kg/%kg m/1A3YB175- 6338 472426S4203824267.06162A3RYB536- 690.0450.0403823266.5S17 26钢523521616板10MnRYB536- 690.0450.0406.30503320S17 26544018616415MnVRYB536- 690.0450.0406.0523817S17 26509Mn2VRYB536- 690.0400.0405035213.

13、5(70C)S520412526616620gGB713- 720.0450.0404124256.0S17 25722gGB713- 720.0450.0404327246.0S66080Cr18Ni9TiYB542- 700.0200.035553891Cr18Ni9TiYB542- 700.0200.03555381000Cr19Ni10YB542- 700.0200.0355040110Cr17Ni13Mo2TiYB542- 700.0200.03550451200Cr17Ni14Mo2YB542- 700.0200.035504513A3YB231 700.0550.04538242

14、2鮒10YB231 700.0400.035342124管520YB231 700.0500.0404025201616MnYB231 700.0500.050523521化学成分%冈标准号0.080.182312Cr3MoVSiTiBYB529- 700.09 0.150.50 -7.800.60 -0.902.50 -3.001.00 -1.200.25 “-0.350.22 0.382412CrMoVYB529- 700.08 0.150.40 -7.700.17 -0.370.90 -1.200.25 -0.350.15 “-0.30251Cr18Ni9TiYB804- 70 0.12

15、1.0 -1.5 0.8017.0 -18.09.0 -11.05.8 X C%r0.8026Cr18Ni13Mo2TiYB804- 70 0.101.0 -2.0 0.8016.0 -18.012.0 /4.01.8 -2.55.8 X C%r0.802700Cr18Ni10YB804- 70 0.03 2.0 1.0017.0 -19.010.0 12.02800Cr17Ni13Mo2YB804- 70 0.03 2.00.22 0.320.50 -7.800.20 -0.45钢 30ZG20CrMo0.15 -0.250.4 -7.70.17 -0.370.9 -1.20.5 -0.70

16、.2 “-0.3管31ZG20CrMoV0.18 -0.250.4 -7.70.14 -0.370.9 -1.20.5 -0.70.2 “-0.332ZG15Cr1Mo1V0.12 -0.200.4 -7.70.17 -0.370.9 -1.20.8 -1.20.2 “-0.4钢化学成分%机械性能（不小于）材序钢 号标准号苴/、硫磷抗拉强度屈服点延伸率冲击值类号它SPa ba SS sa b备注别不大于kg/kg/%kg m/1715MnVYB231-700.0500.0505440181812CrMoYB237- 70Cu 0.300.0400.04042252171915CrMoYB237

17、- 70Cu 0.300.0400.040452621620Cr5MoYB237- 700.0300.03540202212钢板2112CrMoVYB529- 700.0400.0405440172212Cr2MoWVBYB529- 700.0350.0355535182312Cr3MoVSiTiBYB529- 700.0350.0356445184826216纵向2412CrMoVYB529- 700.0400.0404526195横向251Cr18Ni9TiYB804- 700.0300.035564026Cr18Ni13Mo2TiYB804- 700.0300.03560352700Cr18Ni10YB804- 700.0250.03550502800Cr17Ni13Mo2YB804- 700.0250.035604029ZG25YB979-670.040.044524204.5冈30ZG20CrMo0.030.0347