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Wuxi Tianchen Cold-Drawn Steel Co., Ltd.

Hexagonal Steel Bar

Tianchen cold-drawn hexagonal steel bars are precision-engineered to meet demanding industrial requirements. Produced through a rigorous process including heat treatment, shot blasting and cold drawing with tungsten carbide dies, our hexagonal bars guarantee outstanding dimensional accuracy and a smooth, clean surface finish. We offer a wide selection of steel grades, such as 45#, 40Cr and Q235. All bars are straightened to tight tolerances and inspected strictly before packaging. Highly suitable for fasteners, shafts, mechanical components and structural assemblies, our products help reduce your secondary machining costs and enhance production efficiency. Backed by stable supply capacity and flexible order quantities, we serve customers throughout Europe, Southeast Asia and worldwide. Choose Tianchen as your reliable partner for high-quality cold-drawn hexagonal steel bars.

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  Hexagonal Steel Bar

ShapeSpecifications (mm)Roughness Ra (µm)Length (m)
Square Steel4×4 – 90×90≤1.62.5–8.0, Customizable
Flat Steel3×8 – 10×120≤1.62.5–8.0, Customizable
Hexagon SteelS6 – S75≤1.62.5–8.0, Customizable
RemarkCustomizable Cold-Drawn Profiles / Shaped Steel Wire

Product Accuracy Grades and Tolerances

Size (mm)h9h10h11
>3-60, -0.0300, -0.0480, -0.075
>6-100, -0.0360, -0.0580, -0.090
>10-180, -0.0430, -0.0700, -0.110
>18-300, -0.0520, -0.0840, -0.130
>30-500, -0.0620, -0.1000, -0.160
>50-800, -0.0740, -0.1200, -0.190


Application of Hexagonal Steel Bar

steel for intelligent devices
steel for intelligent devices
steel for cars
steel for cars
steel for green building
steel for green building
stainless steel for marine use
stainless steel for marine use
steel for electrical tools
steel for electrical tools
steel for intelligent robot
steel for intelligent robot
rail steel
rail steel
steel for guide rail
steel for guide rail
steel for electric power equipment
steel for electric power equipment
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