一 不锈钢碳素钢复合管护栏、不锈钢棒材、不锈钢板材系列. 结构用不锈钢碳素钢复合管护栏(gb/t14975),流体用不锈钢碳素钢复合管护栏(gb/t14975)等<p>不锈钢无缝管材质有;201,202,301,302,304,304l,304ln,316,316l,316ln,317, 317l,309, 309s,310, 310s,321,330,660,443,444,347h,409l 904l.....<p>不锈钢棒材材质有;201,202,301,302,304,304l,304ln,316,316l,316ln,317, 317l,309, 309s,310, 310s,321,330,660,443,444,347h,409l 904l,1cr13,2cr13,3cr13.... <p>不锈钢板材材质有;201,202,301,302,304,304l,304ln,316,316l,316ln,317, 317l,309, 309s,310, 310s,321,330,660,443,444,347h,409l 904l,1cr13,2cr13,3cr13.... 二 合金管、无缝管系列。 <p>结 构 管gb8162 - - -99, 流体管gb8163 - - -99, 低中压锅炉管gb3087—2000 <p>高压锅炉管gb5310 - -95 化肥专用管gb6479—86 石油裂化管gb9948 - - - - -1988 液压支柱管gb/t17396-98 地质钻探管yb235-70 汽车半轴套管yb/t5035-99 具体材质;10#,20#,45#,20g,16mn,27simn,15crmo,15crmog,12cr1mov<p>20crmo, 35crmo, 42crmo, 12cr1movg, cr5mo, 10crmo910, wb36,<p>13crmo44,34crmo4,p5,12cr2mov,p11 p12.,p22,p91等。
主要有: 301不锈钢碳素钢复合管护栏:301不锈钢牌号1Cr17Ni7 。化学成分% C:≤0.15 ,Si :≤1.0 ,Mn :≤2.0 ,Cr :16.0~18.0 ,Ni :6.0-8.0,S :≤0.03 ,P :≤0.045
304不锈钢碳素钢复合管护栏:304不锈钢牌号:0Cr18Ni9(0Cr19Ni9);化学成分% C:≤0.07 ,Si :≤1.0 ,Mn :≤2.0 ,Cr :17.0~19.0 ,Ni :8.0~11.0,S :≤0.03 ,P :≤0.035
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