国产有码在线视频观看|国产一区高清无码在线观看|日韩人妻中字幕无码一区二区|久久一级特黄大片一女

高壓鍋爐管概況：

 GB531045#無(wú)縫鋼管-2008中國(guó)國(guó)家規(guī)范  

高壓鍋爐管

 ASMESA 210美國(guó)鍋爐及壓力容器規(guī)范

 ASMESA 213美國(guó)鍋爐及壓力容器規(guī)范

         DIN17175聯(lián)邦德國(guó)工業(yè)規(guī)范

高壓鍋爐鋼管用途：

工作溫度在450℃～650℃之間）受熱面管子、省煤器、過(guò)熱器、再熱器、石化工業(yè)用管等。用于低中壓鍋爐管工作壓力一般不大于5.88Mpa工作溫度在450℃以下）受熱面管子；用于高壓鍋爐（工作壓力一般在9.8Mpa以上。

高壓鍋爐管主要牌號(hào)：102020G20MnG25MnG15Cr厚壁鋼管Mo無(wú)縫鋼管G12Cr2MoG12Cr1MoVG12Cr2MoW聊城鋼管廠VTiB10Cr9Mo1VNbSA 210A 1SA 210CSA 213T11SA 213T12SA 213T22SA 213T23SA 213T91SA 213T92ST45.8/Ⅲ、15Mo313CrMo4410CrMo910等 高壓鍋爐管尺寸公差：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＞3050±0.聊城無(wú)縫鋼管廠3＞320±10％高壓鍋爐管重量計(jì)算公式:

[外徑-壁厚)*壁厚]*0.02466=kg/米(每米的重量)高壓鍋爐管力學(xué)性能：規(guī)范牌號(hào)抗拉強(qiáng)度（MPa屈服強(qiáng)度（MPa伸長(zhǎng)率（％）硬度GB308710335475≥195≥2聊城無(wú)縫鋼管廠4/20410550≥245≥20/GB531020G410550≥245≥24/20MnG≥415≥240≥22/25MnG≥485≥275≥20/15CrMoG440640≥235≥21/12Cr2MoG450600≥280≥20/12Cr1MoVG470640≥255≥21/12Cr2MoWVTiB540735≥345≥18/10Cr9Mo1VNb≥585≥415≥20/A SMESA 210SA 210A -1≥415≥255≥30≤143HBSA 210C≥485≥275≥30≤179HBA SMESA 213SA 213T11≥415≥205≥30≤163HBSA 213T12≥415≥220≥30≤163HBSA 213T22≥415≥205≥30≤163HBSA 213T23≥510≥400≥20≤220HBSA 213T91≥585≥415≥20≤250HBSA 213T92≥620≥440≥20≤250HBDIN17175S聊城薄壁鋼管廠T45.8/Ⅲ410530≥255≥21/15Mo3450600≥270≥22/13CrMo44440590≥290≥22/10CrMo910480630≥280≥20/

高壓鍋爐管化學(xué)成分：

規(guī)范牌號(hào)化學(xué)成分（％）CSiMnPSCrMoCuNiVA lWTiNbNGB3087100.070.130.170.370.380.65≤0.030≤0.0300.30.65/≤0.25≤0.30//    200.170.230.170.370.380.65≤0.030≤0.0300.30.65/≤0.25≤0.30//    GB531020G0.170.240.170.370.350.65≤0.030≤0.030≤0.25≤0.15≤0.20≤0.25≤0.08     20MnG0.170.240.170.370.701.00≤0.030≤0.030≤0.25≤0.15≤0.20≤0.25≤0.08     25MnG0.180.240.170.370.801.10≤0.030≤0.030≤0.25≤0.15≤0.20≤0.25≤0.08     15CrMo0.120.180.170.370.400.70≤0.030≤0.0300.801.100.400.55≤0.20≤0.30      12Cr2MoG0.080.15≤0.500.400.70≤0.030≤0.0302.002.500.901.20≤0.20≤0.30      12Cr1MoV0.080.150.170.370.400.70≤0.030≤0.0300.901.200.250.35≤0.20≤0.300.150.30     12Cr2MoWVTiB0.080.150.450.750.450.65≤0.030≤0.0301.602.100.500.65≤0.20≤0.300.280.42 0.300.550.080.15B0.0020.008 10Cr9Mo1VNb0.080.120.200.500.300.60≤0.020≤0.0108.009.500.851.05≤0.20≤0.400.180.25≤0.015  0.060.100.030.07A SMESA 210SA 210A -10.130.19≥0.10.450.65≤0.030≤0.030          SA 210C0.180.24≥0.10.801.10≤0.030≤0.030          A SMESA 213SA 213T110.050.150.501.00.300.60≤0.030≤0.0301.001.500.501.00        SA 213T120.050.15≤0.500.300.61≤0.030≤0.0300.801.250.440.65        SA 213T220.050.15≤0.500.300.60≤0.030≤0.0101.902.600.871.13        SA 213T230.040.10≤0.500.100.60≤0.030≤0.0301.902.600.050.30   ≤0.0301.451.75B0.00050.0060.020.08≤0.040SA 213T910.080.120.200.500.300.60≤0.020≤0.0108.009.500.851.05 ≤0.400.180.25≤0.015  0.060.100.030.07SA 213T920.070.13≤0.500.300.60≤0.020≤0.0108.509.500.300.60 ≤0.400.150.25≤0.0151.502.00B0.0010.0060.040.090.030.07DIN17175ST45.8/

Ⅲ≤0.210.100.350.401.20≤0.040≤0.040          15Mo30.120.200.100.350.400.80≤0.035≤0.035 0.250.35        13CrMo440.100.180.100.350.400.70≤0.035≤0.0350.701.100.450.65        10CrMo9100.080.15≤0.500.300.70≤0.025≤0.0202.002.500.901.10≤0.30≤0.30 ≤0.015

無(wú)縫鋼管 聊城無(wú)縫鋼管 聊城無(wú)縫鋼管廠 山東無(wú)縫鋼管廠 無(wú)縫鋼管規(guī)格