S355J2+N简介
S开头的是碳钢结构钢,后面的355是指室温条件下的低屈服强度是355Mpa。J2则要求-20℃冲击,至于后面的+N的意思是相当于正火轧制而并非就是一定要正火,只是标准里面命名钢号的一种方法。
S starts with carbon steel structural steel, and 355 at the back indicates that the minimum yield strength at room temperature is 355MPa. J2 requires impact at - 20 ℃. As for the latter + N, it means normalizing rolling rather than normalizing. It is just a method of naming steel grade in the standard.
S355J2+N执行标准标准:EN10025。同类牌号:S235JR+N S235J0+N S235J2+N S275JR+N S275J0+N S275J2+N S275N S275NL S355JR+N S355J0+N S355J2+N S355K2 S355N+N S355NL
S355J2 + n executive standard: en10025. Similar brand: s235jr + n s235j0 + n s235j2 + n s275jr + n s275j0 + n s275j2 + n s275n S275NL s355jr + n s355j0 + n S355J2 + n s355k2 s355n + n s355nl
S355J2+N化学成分
S355J2+N力学性能:
厚度
≤16mm
16-40mm
40-63mm
63-80mm
80-100mm
100-150mm
屈服强度
≥355Mpa
≥345Mpa
≥335Mpa
≥325Mpa
≥315Mpa
≥295Mpa
抗拉强度
450-680Mpa
品 名
材 质
普板
Q235-Q295(A-E),SS400,SM400,St37-2,A36,
S235NL(JR,JO,J2)
优碳钢板
10-30#,35-55#,20Mn-50Mn
压力容器用钢板
Q345R(R-HIC),Q245R(R-HIC),12Cr2Mo1R,15CrMoR(H),09MnNiDR,16MnDR,14Cr1MoVR,13MnNiMoR,12Cr1MoVR,SA516Gr70(R-HIC),SA516Gr60,SA515Gr70,SA515Gr60,SA387Cr11Cl2,SA387Cr12Cl2,SA387Cr22Cl2,,P265GH,P355NH/GH,
低合金钢板
Q355B,Q355C,Q355D,Q355E,Q355NF,Q355NB,Q355NC,Q355ND,Q355NE,Q390MB,Q390MC,Q390MD,Q390ME,Q390(N/M),Q420(N/M),Q460(N/M)以上均有B-F级钢,
S355J0/JR/J2,SM490B,S275(N、J0、J2),A709Gr50,S355NL,S355ML,S460NL,S460ML
耐磨钢板
(W)NM360,(W)NM400,(W)NM450,(W)NM500
高强钢
Q550MD,Q690ME,WDB620C/D,WH60A,WQ690D,WQ550E,
WQ890E,WQ960E以上均有C-E级钢,A514GrE/Q,A517GrE/Q
模具钢
S35C-S55C,各类合金磨具钢
合金结构钢
15CrMo,20CrMo,30(35)CrMo,42CrMo,20Cr,40Cr,10CrMoAl,12Cr1MoV,22SiMn2,38CrMoAl,30CrMnSiA
优特钢
06Ni9DR,08Ni3DR,SA387Cr5Cl2,SA387Cr91Cl2,10Cr9Mo1VNb,1Cr5Mo,20MnCr5
高建钢
Q345GJB/GJC/GJD/GJE-Z15、Q390GJC / GJD/GJE-Z25、 Q420GJC /GJD/GJE-Z35
其他
Q345qD,Q370qE,Q420qF,EH36,EH40,EH420,EH460,EH550,EQ57
主要经营碳素结构钢板、低合金高强度钢板、桥梁用钢板、建筑结构用钢板、造船及海上平台用钢板、锅炉及压力容器用钢板、模具用钢板、合金结构用钢板、油气输送管线用钢板、高强度高韧性钢板、耐腐蚀钢板、复合钢板。