Q235B10Q235C2050130Q245RQ345D65160Q345R16Mn80180(GB 150.1150.4-2011)Q370R12Cr2Mo110020015CrMoR09MnD12525015MnNiDR12CrMo15030016MnDR15CrMo175350F(J)200/150/100S113061Cr5Mo200400S11348S30408225440S30408S30403250480S30403S32168300550HY.F(J)S001-00S30409S31008350620S31008S30409400680 lj5928@163.comS32168450760500840 Copyright By lj5928@163.com All Rights Reserved600980

2012.3.22

WuHan Hong yue chemical equipment manufacture Co., LTD

1 1 Pc1MPa Pc1MPa t100 t100 Di360mm Di360mm Di Q245R Q245R DoReL245MPaReL245MPa []148MPa []148MPa []t147MPa[]t147MPa C10.6mmC10.6mm C21mm C21mmRi11Ro min3 mm 1 2Pc0.4[]tmin3 mm Pc0.6[]t2 mm2 mm1.23mm0.61mm

d = + C2 =2.23mmd = + C2 =1.61mm'n = d + C1 =2.83mm'n = d + C1 =2.21mmn =3mmn =3mme = n - C1 - C2 =1.4mme = n - C1 - C2 =1.4mm1.26MPa1.26MPa

162.44MPa81.22MPa

0.9ReL=220.5MPa0.9ReL=220.5MPa0.9ReLT0.9ReLT 2 2 Pc1MPa Pc1MPa t100 t100 Do360mm Di2000mmHi90mmRi1800mm Q245R Q245ReL245MPaeL245MPa []148MPa []148MPa[]t147MPa[]t147MPaC10.6mmC10.6mm 1Ri=0.9Di 2ri0.1Diri3nh C21mm C21mm11K0.98M1.50ri200mm 1.19mm9.20mm

C = C1 + C2 =1.60mm 1Di/2hi2 eh0.15%Di 2Di/2hi2 eh0.3%DiC = C1 + C2 =1.60mm 1Ri/ri5.5 eh0.15%Di 2Ri/ri5.5 eh0.3%Di'nh = h + C =2.79mm'nh = h + C =10.80mmnh =3mmnh =12mmeh = nh - C1 - C2 =1.4mmeh = nh - C1 - C2 =10.4mmmin=0.54mmmin=6mm1.19MPa1.13MPa

126.68MPa130.06MPa

t[]tt[]t() 3 Pc1MPat100

Di360mmQ245R[]t147MPan3mmC10.6mmC21mme1.4mm1

20 Dot219mmCt10.25mm Ct21mm[]tt147MPa Dit219mm( Dit = Dot - 2nt )t0.85fr1.00fr1fr=1fr=11.23mm

0.88mm

'nt = t + Ct =2.13mmnt =3.00mmCt = Ct1 + Ct2 =1.25mmet = nt - Ct =1.75mm dop = Dit + 2 Ct221.5mmA =dop+2et(1-fr)=272.15mm2B =2dop =443.00mmdop+2n+2nt=233.50mm443mm() 4 h1 =25.78mm150mm25.78mmh2 =25.78mm10mm10.00mmA1 =(B-dop)(e-)-2et(e-)(1-fr)=37.95mm2A2 = 2h1(et-t)fr+2h2(et-C2)fr =59.86mm2b =10mmh =5mmA3 = b * h =50.00mm2Ae = A1 + A2 + A3 =147.81mm2AeAA4 = A - Ae =mm2B0 B =mmB0 =mmJB/T4736-2002dB = 3 + Dot =mmmmnc =0mm

() 5 Pc1MPat100

Di2600mmDo2608mmhi500mmho504mmQ235B[]t135MPanh4mmC10.6mmC21mmeh2.4mmR100mmK1.465-1K11.175-21

20 Dot219mmCt10.6mm Ct21mm[]tt133MPa Dit219mm( Dit = Dot - 2nt )t0.85fr0.99fr1fr=1fr=1K2 = 2R/Di =0.0811.32mm 80%K20.8

mm 80%K20.8

() 6 0.97mm

'nt = t + Ct =2.57mmnt =3.00mmCt = Ct1 + Ct2 =1.60mmet = nt - Ct =1.40mm dop = Dit + 2 Ct222.20mmA =doph+2het(1-fr)=2516.39mm2B =2dop =444.40mmdop+2nh+2nt=236.20mm444.40mmh1 =25.82mm150mm25.82mmh2 =25.82mm10mm10.00mmA1 =(B-dop)(eh-h)-2et(eh-h)(1-fr)=-1982.27mm2A2 = 2h1(et-t)fr+2h2(et-C2)fr =29.61mm2b =10mmh =5mmA3 = b * h =50.00mm2Ae = A1 + A2 + A3 =-1902.66mm2AeAA4 = A - Ae =4419.06mm2B0 B =444.40mmB0 =400mmJB/T4736-2002dB = 3 + Dot =222mm24.83mmnc =25mm

SP(HG/T 21574-2008)

Q235A[]140.6MPa[]84.36MPa0.6[]a0.7 K1.65 G050tS40mmC11.1mmS130mmC110.9mmH280mmHSP380mmS216mmC210.8mmC1C11C21SS1S2LSP310mmL1160mma30mmG50mmr30mmD110mmF100mmD1220mm

FVFV=10009.81G0K=8.09E+05NAA=FV/[(S-C1)(H-D)+2(S2-C21)(D1-D)]=81.28MPa11=FV/{0.7070.8S1[2(HSP+LSP)-820+220]a}=50.64MPa22=FV/{0.707a[2(LSP-G+L1)+0.5F+H-F-8r+2r]a}=48.43MPaBB33=(FV/2)/[(S-C1)(H-D)/2+(S2-C21)(D1-D)]=81.28MPa1