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1、不锈钢热轧钢板（GBT4237-1992）不锈钢 2009-06-18 10:17 阅读25评论0 字号： 大大 中中 小小 (1)尺寸规格钢板的尺寸规格和允许偏差应符合GBT709热轧钢板和钢带的规定。钢种按组织特征分为奥氏体型、奥氏体.铁素体型、铁素体型、马氏体型和沉淀硬化型五类。(2)牌号和化学成分见表5-37表5-42。表5-37奥氏体型不锈钢热轧钢板的牌号和化学成分序号牌号化学成分(质量分数)()CsiMnPSNiCrMo其他1lCrl7Mn-6Ni5NO.151.005.507.500.060O.0303.505.5016.0018.00NO.252lCrl8Mn-8Ni5N0.1
2、51.007.5010.000.060O.0304.006.0017.0019.00N0.253lCrl8Ni90.151.oo2.000.035O.0308.001O.0017.009.0D4lCr18Ni-9Si3O.152.003.002.000.0350.0308.001O.0017.0019.005OCrl8Ni90.071.002.000.035O.0308.0011.0017.0019.00600Crl9-Ni100.031.002.000.035O.0308.0012.0018.0020.00-OCrl9Ni-9NO.081.002.50O.0350.0307.0010.501
3、8.0020.00N：O.100.258OCrl9Ni-10NbN0.081.002.50O.035O.0307.5010.5018.0020.00NbO.15N：O.15O.30900Crl8Ni-10N0.0301.002.00O.035O.0308.5011.5017.0019.00N：O.12O.22lO1Crl8Ni120.121.002.000.035O.03010.5013.0017.0019.001lOCr23-Nil3O.081.002.00O.035O.03012.0015.0022.0024.00120Cr25-Ni200.081.502.000.035O.03019.0
4、022.0024.0026.00130Crl7Ni-12M02O.081.002.000.035O.03010.0014.0016.0018.002.003.001400Crl7Ni-14M020.0301.002.000.035O.03012.0015.0016.0018.002.003.0015OCrl7Ni-12Mn2NO.081.002.00O.035O.030lO.0014.0016.0018.002.003.00N：O.100.221600Crl7Ni-13M02NO.0301.002.000.035O.03.010.5014.5016.5018.502.003.00N：0.120
5、.2217lCrl8Ni-12M02Ti0.121.002.000.035O.03011.0014.0016.0019.001.802.50Ti=5(wc-O.02)O.80180Crl8Ni-12M02Ti0.081.002.00O.035O.03011.0014.0016.0019.001.802.50Ti=5wc0.0719lCrl8 Ni-12M03TiO.121.002.000.035O.03011.0014.0016.0019.002.503.50Ti=5(wc一0.02)O.8020OCrl8Ni-12M03Ti0.081.oo2.000.0350.03011.0014.0016
6、.0019.002.503.50Ti=5wcO.7021OCrl8Ni12M02Cu20.081.002.000.0350.030lO.0014.0017.0019.001.202.75Cu：1.00一2.502200Crl8Ni-14M02Cu20.0301.002.000.0350.03012.0016.0017.0019.001.202.75Cu：1.002.50230Crl9Ni-13M030.081.002.000.0350.03011.0015.0018.0020.003.004.002400Crl9Ni-13M030.0301.002.000.0350.03011.0015.00
7、18.0020.003.004.0025OCrl8Ni-16M050.0401.002.500.0350.03.o15.0017.0016.0019.004.006.0026lCrl8Ni一9Ti0.121.002.000.0350.0308.0011.0017.0019.00Ti=5(wc一0.02)O.8027OCrl8Ni-10Ti0.081.002.000.0350.0309.0012.0017.019.00Ti5wc28OCrl8Ni11Nb0.081.002.000.0350.0309.0013.0017.0019.00NblOwc290Crl8Ni13Si40.083.oo5.0
8、02.000.0350.03011.5015.0015.0020.005-38奥氏体-铁素体型不锈钢热轧钢板的牌号和化学成分序号牌号化学成分(质量分数)()CSiMnPSNiCrM0N30OCr26Ni5Mo20.081.001.50O.035O.0303.006.0023.0028.001.003.003l00Crl8Ni5M03Si20.031.302.001.oo2.000.0300.0304.55.518.019.52.53.OO.10表5-39铁素体型不锈钢热轧钢板的牌号和化学成分序号牌号化学成分(质量分数)()CsiMnPSCrM0N其他320Crl3Al0.081.001.00O
9、.35O.03011.5014.50AL：0.100.303300Crl20.0301.001.000.035O.03011.0013.50341Cr150.121.001.00O.035O.03014.0016.0035lCrl7O.120.751.000.0350.03016.0018.0036lCrl7Mo0.121.001.00O.035O.03016.0018.000.751.253700Cr-17M0O.0251.001.000.035O.031016.0019.00O.751.25O.025Ti、Nb、Zr及其和8(wc+WN)O.83800Crl8-M020.0251.001.
10、00O.035O.03017.0020.001.752.50O.025Ti、Nb、Zr及其和8(wc+WN)O.83900Cr30-M02O.0100.40O.400.030O.02028.0032.001.502.500.0154000Cr27-Mo0.0100.400.400.030O.02025.0027.50O.751.500.015表5-40马氏体型不锈钢热轧钢板的牌号和化学成分序号牌号化学成分质量分数)()CSiMnPSCr其 他4llCrl2O.15O.501.000.035O.03011.5013.0042OCrl3O.081.001.000.035O.03011.5013.5
11、0431Crl3O.151.001.000.035O.03011.5013.50442Crl3O.16O.251.001.00O.035O.03012.oo14.00453Crl3O.260.351.001.00O.035O.03012.0014.00464Crl30.360.450.800.800.0350.03012.0014.00473Q160.250.401.001.000.035O.03015.0017.00487Crl7O.60O.751.001.ooO.0350.03016.0018.00表5-4l 沉淀硬化型不锈钢热轧钢板的牌号和化学成分序号牌号化学成分(质量分数)CsiMnP
12、SNiCrAl49OCrl7Ni7Al0.091.001.00O.035O.0306.50 7.7516.0018.00O.75 1.50(3)交货状态钢板热轧后应经相应热处理(固溶、退火、时效等)，并进行酸洗或类似处理。对于沉淀硬化型，需方应说明钢板或试样的热处理种类。(4)力学和工艺性能见表5-42一表5-46。表5-42奥氏体型不锈钢热轧钢板的力学性能序号牌 号热处理制度固溶处理温度拉力试验硬度试验0. 2MPabMPa5()HBSHRBHVl1Crl7Mn6Ni5N10101120快冷2456354024110025321Crl8Mn8Ni5N10101120快冷24559040207
13、9521831Crl8Ni910101150快冷205520401879020041Crl8Ni9Si310101150快冷205520402079521850Crl8Ni910101150快冷2055204018790200600Crl9NilO10lO1150快冷17548040187902007OCrl9Ni9N1010.1150快冷275550352179522080Crl9Ni10NbN10lO1150快冷34568535250100260900Crl8Nil0N10101150快冷2455504021795220101Crl8Nil2lOlO1150快冷17548040187902
14、00ll0Cr23Nil310301180快冷205520401879020012OCr25Ni2010301150快冷205520401879020013OCrl7Nil2Mo210lO1150快冷20552040187902001400Crl7Nil4M0210lO1150快冷175480401879020015OCrl7Nil2M02N10lO1150快冷27555035217952201600Crl7Ni13Mo2N10101150快冷245550402179522017lcrl8Nil2M02Ti10501100快冷2055303718790200180Cr18Nil2Mo2Ti10
15、501100快冷2055303718790200191Crl8Nil2M03Ti10501100快冷205530351879020020OCrl8Nil2M03Cu210501100快冷20553035187902002l0Crl8Ni12Mo2Cu2lOl01150快冷20552035187902002200Crl8Ni14M02Cu210lO1150快冷175480351879020023OCr19Ni13M0310101150快冷20552035187902002400Crl9Nil3M0310lO1150快冷175480351879020025OCrl8Nil6M0510301180快
16、冷175480351879020026lCrl8Ni9Ti9201150快冷206520401879020027OCrl8Ni10Ti9201150快冷205520401879020028OCr18NillNb9801150快冷205520401879020029OCr18Nil3Si4lOl01150快冷2055204020795218表5-43奥氏体-铁素体型不锈钢热轧钢板的力学性能序号牌 号热处理(固溶处理)温度拉力试验硬度试验0.2MPabMPa5()HBSHRCHV300Cr26Ni5M02950l100快冷39059018277292923100Cr18Ni5M03Si295010
17、50水冷3905902030表5-44铁素体型不锈钢热轧钢板的力学和工艺性能序号牌号热处理(退火)温度拉力试验硬度试验弯曲试验180d一弯芯直径a一钢板厚度o.2b5()HBSHRBHVMPa320Crl3A1780830快冷或缓冷1774102018388200a8mm,d=aa8mm,d=2a330oCr12700820快冷或缓冷1963702218388200d=2a341Crl5780850快冷或缓冷2054502218388200d=2a351Crl7780850快冷或缓冷2054502218388200d=2a361Crl7Mo780850快冷或缓冷2054502218388200
18、d=2a3700Crl7Mo8001050快冷2454102021796230d=2a3800Crl8M028001050快冷2454102021796230d=2a3900Cr30M029001050快冷2954502220995220d=2a4000Cr27Mo9001050快冷2454102219090220d=2a序号牌号热处理(退火)温度拉力试验硬度试验弯曲试验180d一弯芯直径a一钢板厚度0 .2b5()HBSHRBHVMPa411Crl2约750快冷或800900缓冷2054402020093210d=2a420Crl32054102018388200d=2a431Crl32054402020093210d=2a4.42Crl32255201822397234453Crl3 表5-45马氏体型不锈钢热轧钢板的力学和工艺性能2255401823599247464Crl359015473Crl622552018241100253487Crl724559015255HRC25269表5-46沉淀硬化型不锈钢热轧钢板的力学性能