异径管规格及尺寸

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1、◆碳钢（10#、20#、A3、Q235A、20G、16Mn、ASTMA234、ASTMA105、ASTMA403等）； ◆奥氏体不锈钢（1Cr18Ni9Ti、0Cr18Ni9、00Cr19Ni10、0Cr17Ni12Mo2Ti、00Cr17Ni14Mo2、304304L、316、316L等）； ◆合金钢（16MnR、Cr5Mo、12Cr1MoV、10CrMo910、15CrMo、12Cr2Mo1、A335P22、St45.8/Ⅲ、A10bB）。对焊异径管规格参数表（GB12459、GB/T13401

2、）公称通径DN端部外径长度D1D2A系列B系列A系列B系列20×1526.92521.3183825×2025×1533.733.7323226.921.32518515132×2532×2032×1542.442.442.438383833.726.921.332251851515140×3240×2540×2040×1548.348.348.348.34545454542.433.726.721.3383225186464646450×4050×3250×2550×2060.360.360.36

3、0.35757575748.342.433.726.9453832257676767665×5065×4065×3265×2576.1(73)76.1(73)76.1(73)76.1(73)7676767660.348.342.433.7574538328989898980×6580×5080×4080×3288.988.988.988.98989898976.1(73)60.348.342.4765745388989898990×8090×6590×5090×4090×32101.6101.610

4、1.6101.6101.6-----88.976.1(73)60.348.342.4-----102102102102102100×90100×80100×65100×50100×40114.3114.3114.3114.3114.3108108108108108101.688.976.1(73)60.348.3-89765745102102102102102125×100125×90125×80125×65125×50139.7139.7139.7139.7139.7133-13313313311

5、4.3101.688.976.1(73)60.3108-897657127127127127127150×125150×100150×90150×80150×65168.3168.3168.3168.3168.3159159-159159139.7114.3101.688.976.1(73)133108-8976140140140140140200×150200×125200×100200×90219.1219.1219.1219.1219219219-163.8139.7114.3101.6159

6、133108-152152152152250×200250×150250×125250×100273.0273.0273.0273.0273273273273219.1168.3139.7114.3219159133108178178178178300×250300×200300×150300×125323.9323.9323.9323.9325325325325273.0219.1168.3139.7273219159133203203203203350×300350×250350×200350×

7、150355.6355.6355.6355.6377377377377323.9273.0219.1168.3325273219159330330330330400×350400×300400×250400×200406.4406.4406.4406.4426426426426355.6323.9273.0219.1377325273219356356356356450×400450×350450×300450×250457.2457.2457.2457.2478478478478406.4355.

8、6323.9273.0426377325273381381381381500×450500×400500×350500×300508.0508.0508.0508.0529529529529457.2406.4355.6323.9478426377325508508508508550×500550×450550×400550×350559559559559----508457406356----508508508508600×550600×500600×450600×