不銹鋼和耐熱鋼冷扎鋼帶(GBT42391991)

1、不銹鋼和耐熱鋼冷扎鋼帶(GB/T4239-1991)展金屬材料有限公司技術(shù)部尺寸規(guī)格鋼帶厚度為030mm、040mm、050mm、060mm、070mm、O80mm、090mm、100mm、120mm、150mm、200mm50mm、350mm。允許偏差見(jiàn)表5-214-表5-217。表5-214寬度不大于600mm鋼帶的厚度允許偏差(mm)厚度寬度201501502502504004006000.05O.10土O.0100.0100.0100.10O.15士O.010O.0100.010O.150.25+O.010-O.020+0.0IO-O.020+O.OlO-O.020O.020O.250

2、.45O.020O.020O.020+O.020-O.030O.45O.65+0.020-O.030+0.020-O.030+0.020-O.030O.030O.650.90O.030O.030O.030-0.040O.040O.901.20+0.030O.0400.0400.040+0.040-0.0501.201.50+O.040-0.050O.050O.050+0.050O.0601.501.800.060+0.060-0.070+O.060-0.0700.0701.802.00O.060O.070+0.070-O.080O.0802.00-2.300.0700.080+O.08-0.0

3、90.0902.302.50O.070O.080+O.08-0.090.0902.503.10O.0800.090+0.09O.10O.1003.106001000600寬度6001000600厚度100012501250厚度1000125012500.050.101.201.500.O60O.070O.110O.100.151.501.800.070O.080O.1200.15O.251.802.00O.0900.100O.130O.250.45O.040O.0400.0402.002.300.1000.110O.140O.450.65O.040O.040O.0502.302.50O.100

4、O.110O.140O.65O.90O.050O.050O.0602.SO3.100.110O.1200.160O.901.200.050O.060O.0803.1050150150250250400400600600100010001250切邊鋼帶+1.OO+2.00+3.O0+4.OO+5O+50+5O不切邊鋼帶+2-l+3-2+6-2+7-3+20O+25O+300表5-217切邊鋼帶寬度高級(jí)精度（K）的允許偏差（mm）厚度寬度201501502502504004006006001000O.050.500.15O.200.25士O.300.50O.501.00O.20O.25O.25士O

5、.30O.501.001.50O.200.30O.30士O.400.601.502.500.25士0.35O.350.50O.702.504.00O.300.40O.40O.50O.80牌號(hào)和化學(xué)成分鋼的類別、牌號(hào)及其相應(yīng)化學(xué)成分所參見(jiàn)的標(biāo)準(zhǔn)見(jiàn)表5-218。列于本標(biāo)準(zhǔn)牌號(hào)的化學(xué)成分見(jiàn)表5-219。交貨狀態(tài)鋼帶冷軋后應(yīng)進(jìn)行相應(yīng)的熱處理（固溶、退火、淬火回火、時(shí)效等），并進(jìn)行酸洗（光亮處理除外）或類似處理。對(duì)于沉淀硬化型鋼帶，需方應(yīng)指明或試樣的熱處理種類。）力學(xué)和工藝性能經(jīng)固溶處理的奧氏體型鋼帶，除表5-220所列幾種牌號(hào)外，其余牌號(hào)鋼的力學(xué)性能和相應(yīng)固溶處理制度均與GB/T4237不銹鋼熱軋鋼規(guī)

6、定者相同，但其中0Crl9Nil2M02Cu2、00Crl8Ni14M02Cu2、0Crl9Nil3M03、OOCrl9Ni13M03和0Crl8Nil6M05牌號(hào)鋼的伸長(zhǎng)率均分別不小于，1Crl8Ni9Ti鋼的抗拉強(qiáng)度不小于540MPa，1Crl8Ni9Ti鋼的固溶處理制度為10001080C快冷。表5-218牌號(hào)和化學(xué)成分參見(jiàn)標(biāo)準(zhǔn)牌號(hào)化學(xué)成分所在標(biāo)準(zhǔn)號(hào)牌號(hào)化學(xué)成分所在標(biāo)準(zhǔn)號(hào)奧氏體型OCrl8Ni10TiGB/T12201Crl7Mn6Ni5NCB/T1220OCr18NillNb1Cr18Mnl8Ni5NOCr18Ni13Si4奧氏體.鐵素體型2Crl3Mn9Ni4本標(biāo)準(zhǔn)OCr26Ni5M

7、02GB/T12201Crl7Ni7GB/T122000Cr24NiM03N本標(biāo)準(zhǔn)ICrl7Ni8本標(biāo)準(zhǔn)鐵素體型1CrI8Ni9CB/T1220OCrI3AIGB/TI220ICrl8Ni9Si3本標(biāo)準(zhǔn)00CrI2OCrI8Ni9GB/T12201CrI500Cr19Ni10ICrI7OCrI9Ni9N00Cr17本標(biāo)準(zhǔn)OCrI9NiI0NbN1Cr17MoGB/T122000CrI8NiION00Cr17M01CrI8Ni1200CrI8M02OCr23NiI300Cr30Mo2OCr25Ni20OOCr27Mo0Cr17Ni12M02馬氏體型00Cr17NiI4M02ICrI2GB/T12

8、200CrI7Ni12M02NOCrI300CrI7NiI3M02NICrI30Crl8Nil2M02Cu22CrI300Crl8Ni14Mo2Cu23CrI30CrI9NiI3M033CrI6本標(biāo)準(zhǔn)00CrI9NiI3M037CrI7GB/T1220OCrI8NiI6M05沉淀硬化(1Crl8Ni9Ti)OCrI7Ni7AIGB/T1220的牌號(hào)鋼與GB/T1220中規(guī)定者相同，但錳含量均為不大于2.50%。表5-219列于本標(biāo)準(zhǔn)牌號(hào)的化學(xué)成分牌號(hào)化學(xué)成分（質(zhì)量分?jǐn)?shù)）（）CSiMnPSNiCr其他2Cr13MnI9Ni4O.15O.251.008.0010.oo0.0600.0303.705

9、.0012.0014.001Cr17Ni8O.08O.121.002.00O.035O.0307.009.0016.0018.00ICrI8Ni9Si30.152.003.002.000.035O.0308.00IO.0017.0019.0000CrI7O.0300.751.00O.0350.03016.0019.00Ti或NbO.101.003Cr160.251.001.00O.0350.03015.00O.4017.00ooCr24Ni6M03N0.031.00硬度HRBHV2Cr13Mn9Ni41000150快冷590401Crl7Ni810101150快冷2055704590200OC

10、rl8Ni910101150快冷205520409020000Crl9Nil010101150快冷1754804090200OCrl8Nil0Ti9201150快冷2055204090200他力學(xué)性能見(jiàn)表5-221表5-224。表5-221不同冷作硬化狀態(tài)鋼帶的力學(xué)性能牌號(hào)狀態(tài)符號(hào)拉力試驗(yàn)屈服強(qiáng)度6o.2/MPa抗拉強(qiáng)度6b/MPa伸長(zhǎng)率65(%)厚度0.40.8厚度O.82Crl3Mn9Ni4BY785202020Y980151515TY11308881Crl7Ni7DY510865252525BY755103091010Y9301205357TY96012753451Crl8Ni9BY785202020Y98010lO10TY1130555ICrl8Ni9TiBY735202020Y885777表5-222經(jīng)固溶處理的奧氏體-鐵索體型鋼帶的力學(xué)性能牌號(hào)固溶處理溫度/C拉力試驗(yàn)硬度屈服強(qiáng)度6O.2/MPa抗拉強(qiáng)度6b/MPa伸長(zhǎng)率65(%)HRCHV抗拉強(qiáng)度6b/MPa伸長(zhǎng)率65(%)HRBHVHRBHV1Crl22054402093210d=2a0Crl32054102088200d=2a1Crl32054402093210d=2a2Crl322552018972343Crl32255