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加工費(fèi)25x25x350mm90030x30x350mm90040x40x455-60mm80050x50x565mm60x6080060x60x685mm60x88120063x63x685mm60x88120065x65x685mm60x88120075x75x7.560x115140080x80x860x1251400角鋼軋鋼標(biāo)準(zhǔn)加工情況火耗1.5%, 頭子3,酸洗1表423不銹鋼熱軋等邊角鋼的尺寸規(guī)格標(biāo)準(zhǔn)截面尺寸mm理論質(zhì)量(kgm)ABtr1r2截面 面積 cm21Cr18Ni9 OCr19Ni9 00Cr19Ni11 OCr18Ni11Ti0Cr17Ni12M0200Cr17Ni14M02Ocr18Ni1Nb1Cr1720203421.1270.894O.899O.86825253421.4271.131.141.10252544318361.461.471.4130303421.7271.371.381.3330304432.2361.771.781.7230305432.7462.182.192.1130306443.2062.542.562.47404034.522.3361.851.861.80404044.533.0452.452.462.38404054.533.7552.983.002.89404064.544.4153.613.633.51505046.533.8923.093.113.00505056.534.8023.813.833.70505066.54.55.6444.484.504.3560x6056.535.8024.604.634.47606066.5468625.445.485.28656558.536.3675.055.084.90656568.547.5275.976.015.80656578.558.6586.876.916.67656588.569.7617.747.797.52707068.548.1276.446.496.26707078.559.3587.427.477.21707088.561O.568.378.438.13757568.548.7276.926.966.72757578.551O.067.988.037,75757588.5611.369.019.078.75757598.5612.6910.11O.19.77808068.549.3277.407.447.18808078.5510.768.538.598.29808088.5612.169.649.709.36808098.5613.5910.810.810.59090810613.8211.O11.O10.99090910615.4512.312.311.690901O10717.0013.513.613.1100100810615.4212.212.311.9100100910617.2513.713.813.31001001010719.0015.115.214.6(2)允許偏差見(jiàn)表4-24。表4_24不銹鋼熱軋等邊角鋼的尺寸允許偏差邊AB/mm邊允許偏差mm厚 度tmm345678910厚度允許偏差mm20201.50.42525士1.5士O.5O.53030士2.O士O.5O.5O.50.54040士2.O士O.6O.60.6士O.65050士2.OO.6O.6O.660603.00.6士0.665653.O0.6O.6O.7O.77070土3.O土O.7O.7士O.77575士3.0O.7O.70.70.780803.O士O.70.7O.70.790903.O士0.70.7O.8100100土4.O0.7士O.7O.8(3)牌號(hào)和化學(xué)成分見(jiàn)表425 表4-25不銹鋼熱軋等邊角鋼的牌號(hào)和化學(xué)成分類型牌 號(hào)熱處理制度固溶處理化學(xué)成分(質(zhì)量分?jǐn)?shù))()CSiMnPSNiCrM0其他奧氏體型鋼1Cr18Ni910101150快冷0.151.oo2.00O.0350.0308.0010.0017.009.00OCr19Ni910101150快冷O.081.002.00O.0350.0308.0010.5018.0020.0000Cr19Ni11101O1150快冷0.0301.002.00O.035O.0309.0013.0018.0020.00OCr17Ni12M0210101150快冷O.081.002.000.0350.03010.0014.0016.0018.002.003.0000Cr17 Ni14Mo210101150快冷O.0301.002.000.035O.03012.0015.0016.0018.002.003.00Ti5C以上OCr18Ni11Ti9201150快冷0.081.002.000.035O.0309.0013.0017.0019.000Cr18Ni11Nb9801150快冷O.081.002.00O.035O.0309.0013.0017.0019.00Nb1OC以上鐵素體型鋼1Cr17退火,780850空冷或緩冷0.12O.751.00O.035O.03016.0018.00注:OCr18Ni11Ti和Ocr18Ni11Nb可按用戶要求作穩(wěn)定化處理,其溫度為850930。(4)力學(xué)性能見(jiàn)表426表4_26不銹鋼熱軋等邊角鋼的力學(xué)性能牌 號(hào)熱處理制度力學(xué)性能硬 度固溶處理0 .2MPaBMPa5()HBSHRBHV1Cr18Ni9101O1150快冷2065204018790200OCr19Ni910101150快冷206520401879020000Cr19Ni1110101150快冷17748140187902000Cr17Ni12Mo210101150快冷206520401879020000Cr17Ni14M0210101

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