不锈钢冷加工钢棒

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1、不锈钢冷加工钢棒GB4226-841用途用于机械加工业2规格2.1圆钢方钢六角钢尺寸单位mm5678910111213141516171819圆钢202223242526283032353638404245直径4850556065707580859095100方钢5678910121314151617192022边长25283032353638404555605.5678910111213141719212223六角钢242627293032353638414650556065内切圆直径7075802.2扁钢尺寸单位mm厚宽

2、度度39104125166192092510303238405065127510016192225注凡者为无规格2.3不锈钢型钢冷加工尺寸偏差级别的应用圆钢形状及加工方法方钢六角钢扁钢冷拔磨光切削11级9级11级12级12级12级偏差级别12级10级12级13级13级13级13级11级13级2.4钢棒尺寸允差偏差直径或边长级别内切圆直径9级10级11级12级13级厚变及宽度0000030.0250.0400.060.100.1400000>3-60.0300.0460.0750.120.1800000>6-100.0360.

3、0580.0900.150.2200000>10-180.0430.0700.110.180.2700000>18-300.0520.840.130.210.3300000>30-500.0620.1000.160.250.3900000>50-800.0740.120.190.300.4600000>80-1200.0870.140.220.350.543化学成分3.1奥氏体铁素体型不锈钢化学成分C碳Si硅Mn锰P磷S硫牌号Ni镍Cr铬Mo钼0Cr26Ni5M20.081.001.500.350.0303.00-6.002

4、3.00-28.001.00-3.003.2铁素体型不锈钢化学成分C碳Si硅Mn锰P磷牌号S硫Cr铬1Cr170.751.000.0350.03016.00-18.000.12Y1Cr171.001.250.0600.1516.00-18.00注各种牌号可以含有小于0.60%的镍Y1Cr17可以添加小于0.06%的钼3.3奥氏体不锈钢主要化学成分C碳Si硅Mn锰P磷牌号S硫Ni镍Cr铬1Cr18Ni90.0350.030Y1Cr18Ni90.150.158.00-10.0017.00-19.000.20Y1Cr18Ni9Se

5、0.0600Cr19Ni90.088.00-10.5018.00-19.0000Cr19Ni110.0309.00-13.001Cr18Ni120.1210.50-13.0017.00-19.000Cr18Ni1211.00-13.0016.50-19.001.002.000Cr23Ni1312.00-15.0022.00-24.000Cr25Ni200.080.0350.03019.00-22.0024.00-26.000Cr17Ni12Mo210.00-14.0016.00-18.0000Cr17Ni14Mo212.00

6、-15.0016.00-18.000Cr18Ni11Ti9.00-13.000.080Cr18Ni11Nb9.00-13.0017.00-19.001Cr18Ni9Ti0.128.00-11.003.4马氏体型不锈钢化学成分牌号C碳Si硅Mn锰P磷S硫Cr铬1Cr120.501.0011.50-13.000.0350.0301Cr130.151.0011.50-13.50Y1Cr131.250.0600.1512.00-14.002Cr130.16-0.251.001.000.0350.0303Cr130.26-0.401.

7、0012.00-14.00Y3cr130.26-0.401.250.060.1511Cr170.95-1.201.000.0350.03016.00-18.004标记示例不锈钢冷加工钢棒1G176100GB422684名称牌号直径长度标准号