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Wuxi Tianchen Cold-Drawn Steel Co., Ltd.

Flat Bar for Armor Joints

High-strength cold-drawn flat bar specially designed for armored construction joints in concrete structures. Our flat bars offer reliable protection and movement accommodation for expansion joints, control joints and seismic joints — the critical connections where concrete slabs meet walls, columns and other fixed components. Key advantages: Durable protection — Shields concrete edges from impact damage and wear Smooth movement — Accommodates thermal expansion and structural settlement Wide range of specifications — Various widths, thicknesses and steel grades available Flexible surface finishes — Mill finish, polished or galvanized for enhanced corrosion resistance Custom fabrication — Cut-to-length, drilled holes and bent profiles available with MOQ from 2 tons Trusted supplier for construction projects throughout Europe and Southeast Asia.

Tianchen Steel Grade Cross-Reference Table


Type of steelENASTMJISGB
Carbon steel / Low alloy steelS185(1.0035)、S235JR(1.0038)、E335(1.0060)……Grade B、Grade D、Grade 50……SS330、SS400、SS490……Q195、Q235、Q345……
Quality carbon steelC22(1.0402)、C35(1.0501)、C45(1.0503)……1020、1035、1045、1022……S10C、S20C、S35C、S45C20、35、45、20Mn……
Alloy structure steel33NiCrMo14-5(1.6956)、34CrNiMo6(1.6582)、30CrNiMo8(1.65803)、51CrV4(1.8159)、42CrMo4(1.7225)、16MnCr5(1.7131)、17CrNi6-6(1.5918)、20MnCrS5(1.7149)……1524、1340、5120、5140、4118、4135、4140、3316、4340……SMn420、SMn438、SCr420、SCr440、SCM420、SCM435、SCM440、SCN815、SNCM439……20Mn2、40Cr、20CrMo、35CrMo、42CrMo、20CrMnTi、20Cr2Ni4、40CrNiMo……
Cold heading steelC10C(1.0214)、C20C(1.0411)、C35EC(1.1172)、34CrMo4(1.7220)1012、1020、1030、1035、4135、4140、1518……SWRCH10A、SWRCH22A、SWARCH35K、SCM435、SWRCHB620……ML10AL、ML20、ML30、ML35、ML35CrMo、ML15MnB……
Spring steel61SiCr7(1.7108)、51CrV4(1.8159)、54SiCr6(1.7102)……1566、9260、6150……SWRH67B、SUP6、SUP7、SUP10……65Mn、60Si2Mn、50CrVA、55CrSi……
Bearing steel100Cr6E52100SUJ2GCr15
Stainless steel1.4016、1.4105、1.4006、1.4021、1.4301……430、430F、412、420、304……SUS430、SUS430F、SUS410、SUS420、SUS304……1Cr17、Y1Cr17、1Cr13、2Cr13、304……
Tooling steelC80U、C90U、C105U……W1A-8、W1A-81/2、W1A-91/2……SK80、SK90、SK105……T8、T9、T10……
Free cutting steel10S20(1.0726)、10SPb20(1.0722)、11SMn30(1.0715)、11SMnPb30(1.0718)、38SMn28(1.0760)……1112、11L08、1215、1213、12L14、1141……SUM21、SUM32、SUM22L、SUM42……Y12、Y12Pb、Y15、Y15Pb、Y40Mn……

Main Parameters of  Flat Bar for Armor Joints

Steel GradeSpecifications/mmAccuracy GradeLength/mmLength Tolerance/mm
S235JR10×40h1130000/-1
S235JR6×42h11As requested0/-1



Application of Flat Bar for Armor Joints

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steel for intelligent devices
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stainless steel for marine use
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rail steel
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steel for electric power equipment
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