版本：A/0页次：1/4＜0.600.60～＜1.01.0～＜1.6≥1.6Q195-0.120.30.50.0350.04－－ 195315-430≤710.00A0.05－－B0.045－－A0.220.05－－B0.20.045－－C0.040.04－－D0.035 0.035－－A0.240.0450.05－－B0.210.0450.045－－C0.040.04－－D0.035 0.035－－A0.035 0.035－B0.035 0.035－C0.030.03－D0.030.025－E0.0250.02－A0.035 0.035－B0.035 0.035－C0.030.03－D0.030.025－E0.0250.02－A0.035 0.035－B0.035 0.035－C0.030.03－D0.030.025－E0.0250.02－C0.030.03－D0.030.025－E0.0250.02－C0.030.03－D0.030.025－E0.0250.02－C0.030.03－D0.030.025－E0.0250.02－C0.030.03－D0.030.025－E0.0250.02－0.50.60.60.60.6Nb1.81.81.7Si≤0.350.350.350.51.40.51.51.7P≤Alt≥Ti≤屈服强度Mpa 不小于执行标准GB/T700-2006 碳素结构钢0.150.170.2Q460GB/T1591-2008低合金高强度结构钢化学成分 ％机械性能断后伸长率 ％ 不小于C≤Mn≤公称厚度 mm33Q620Q420Q500Q5500.2Q215Q235Q275Q345Q3900.180.180.180.180.20.20.20.0450.045221.71.2S≤0.20.20.22152352753450.20.20.20.2抗拉强度Mpa335-450370-500410-540470-630490-650520-680390420550-720610-770670-830710-8805506204605001720212019171716161520212019171516152021201917171520212019171716弯曲弯心直径(纵）0.5aa1.5a2631牌号2a22编制：吴建锋审核：核准：版本：A/0页次：2/4C0.030.03－D0.030.025－E0.0250.02－0.150－0.6000.035－-≥270343637380.100－0.4500.030－ 240≥270363839400.080－0.4000.025－ 220≥270384041420.008－0.300－ 210≥270404243440.006－0.250－ 190≥27042444546－250-320450－300-390 500－280-380 590－340-4405900.180.82.20.0350.030.02－340-5005901820－550-660 690－420-550780－500-6507800.20.82.50.0350.030.02－400-59078014160.230.630.040.015 0.01－550-7309800.230.630.040.015 0.01－820-113011800.10.50.60.0250.0250.0150.15 260-330350-4300.10.510.0250.0250.0150.15 300-380380-4800.10.51.10.0250.0250.0150.15 340-420 410-5100.12-10.030.030.12-340-460 ≥4400.10.51.60.0250.0250.0150.15 380-480440-5600.10.51.60.0250.0250.0150.15 420-520 470-5900.2-20.030.030.02-410-560 ≥5900.10.51.80.0250.0250.0150.15 460-560560-6800.120.61.70.0250.0250.0150.15 500-600560270350-47031539...
