Cold Drawn Steel Profiles & Bars

Cold-Drawn Alloy Section Steel&Bar

Custom cold-drawn alloy steel sections and bars from Tenjan, engineered for precise profiles, strength and demanding industrial applications. Include the profile drawing and required mechanical properties in your inquiry.

Custom grades & dimensionsFull quality traceabilityGlobal standards support

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Product details

Product Description

Cold-Drawn Alloy Section Steel&Bar for Industrial Applications

Custom Sizes OD10-108mm – ASTM/EN/DIN/JIS/GOST Certified – Small-Batch Friendly

Technical data

Product Specifications

Parameter	Key Features
Outer Diameter	10-108mm (0.39″-4.25″) • Fully customizable
Materials	Carbon Steel • Alloy Steel • Special grades available
Process	Cold Drawn & Cold Rolled for superior finish

Available materials

Shaped Seamless Steel Tube&Pipe - Steel Grade Availability

Standard	Typical Grades We Supply
GB	16Mn,Q345B(Q355B),Q345C(Q355C),Q345D(Q355D),Q345E(Q355E),Q420,Q460,20Cr, 40Cr,15CrMo,20CrMo,30CrMo,35CrMo, 42CrMo,20CrNiMo,40CrNiMo,20CrMnTi,20Mn2, 40Mn2,40MnB,35MnB,35Mn,15CrMn,20CrMn,20CrMnMo,38CrMoAL,36Mn2V,38Mn2V, 40MnMoV,15Mo3, 16Mo3,31CrMoV9
ASTM	Gr·50,Gr·55,Gr·65,5120,5140,4130,4135,4140, 8620,4340,SAE 5120,1524,1340,15B41,SAE5115,SAE 5120,SCM23
EN/DIN	E355, ST52,S355JR,S355JO,S355J2,S355NL,S420N,S420NL,S460NL, 20Cr4, 41Cr4,13CrMo4-5,20CrMo4,25CrMo4,34CrMo4,42CrMo4, 20NiCrMo2,34CrNiMo6,20MnCr5,22Mn6,42Mn6,42MnB4, 34MnB5,37Mn5,16MnCr5,20CrMo5.
JIS	SCr22,SCr440,SCM415,SCM420,SCM430,SCM435,SCM440, SNCM220,SNCM439,SMnC420H,SMn420,SMn438, SMnC420H
GOST	15Г2, 09Г2C/10Г2C1,15Г2,14Г2С,C355,20Х,40X,15XM,20ХМ,30ХМ, 35ХМ,38ХМ,20ХНМ,40ХНМ,20ХГТ,20Г2,40Г2,18ХГ,20ХГМ
Other Speical Grades can be customized

Applications

Industry-Specific Solutions

Industry	Key Applications Parts	Relevant Standards	Our Advantages
Automotive and Motorcycle Component	Shock Absorbers，Steering Systems，Thrust Rods	EN 10305-1,JIS G3445, DIN 2391,ASTM A519	High fatigue strength,High yield strength, lightweight, precision dimensions (±0.1mm)
Engineering and Mining Support	Anchor Bolts,Support Pipes,Hydraulic Props	ASTM A519,DIN 2391, JIS G3441,EN 10297-1, ISO 10799	High Strength &Yield Strength&High Elongation Customization Service – Special steel grades, dimensions and surface treatments available according to project requirements
Construction Machinery	Drive shaft sleeves ,Gearbox Guide Tubes,Crane Boom Guide Tubes,Excavator Arm Tubes,Loader Frame Tubes, Arctic Low-Temperature Tubes	ASTM A519,DIN 2391, JIS G3445,EN 10210-1, GOST 8733,ASTM A106, ISO 9329	OD tolerances of ±0.05mm.straightness ≤0.5mm/m
Fluid Transport Systems	Oil/Gas pipelines, chemical systems,Power/Energy	ASTM A106 Gr.B, EN 10216-2,GOST 8734	Eddy Current + Ultrasonic Testing,Hydrostatic Testing
High-Pressure Boilers	Superheaters,Steam lines,Reheaters,Economizers)	ASTM A192,DIN 17175, EN 10216, JIS G3461/G3462	Enhanced material density through cold-drawing/rolling ensures long-term stability Full Compliance with Int’l Standards,Superior Creep & Fatigue Resistance
Geological Drilling	Drill Pipe ,Tubing	ASTM A519,API 5DP, EN 10208-2	High Strength & Wear Resistance precision Dimensions Impact & Fatigue Resistance
Agricultural Machinery	Hydraulic cylinders,drive shafts,Lift arms, steering housings,Boom frames	ASTM A519,EN 10210-1, DIN 2391,GOST 8733, JIS G3445	Material Advantages:High Strength & Lightweight,Precision Cold-Drawing Technology,Dimensional accuracy ±0.05mm
Petroleum Cracking Units	Reformer Tubes,Heat Exchanger Tubes ,Reactor Feed Pipes,Transfer Lines,Quench Oil Pipes	ASTM A335,ASTM A213, EN 10216-2	Optimized Material Purity,Precision Dimensional Control,Customized Solutions

Why choose us

Custom Advantages

Tailored Features · Designed Exclusively for Your Needs

Alloy Steel Material and Process Planning Material Sourcing Review:

For each order, confirm the material grade, dimensions and acceptance requirements:

✔ 100+ Custom Alloy Grades-Chemistry control (C, Cr, Ni, Mo adjustments)

✔ Engineered Mechanical Properties– Yield/Tensile strength customization

✔ Industrial-Grade QC– Full-spectrum testing (UT, hardness, dimensional)

✔ Project-Specific Cost Review – Compare grade, order quantity and downstream processing requirements

Application: Hardware fitting, Automotive, Heavy Machinery, Energy

Elite Cold-Drawn Alloy Steel Sections & Round Bars R&D Team – Precision Custom Solutions

Custom Alloy Development – Tailored Cr-Mo/V/Nb micro-alloying

Complex Profile Drawing– Hexagonal, multi-fluted, asymmetrical shapes

Multiple Surface Finishes-BK/A/N/Polished Finishes for Industrial Applications

Key Application Industries: Hardware Components, Precision Machining, Energy Sector, Auto/Motorcycle Parts, Heavy Machinery

Industrial Pickling & Surface Treatment for High-Quality Section Steel – ASTM/ISO Certified Precision-Controlled Pickling Process for Superior Surface Quality

Surface Treatment Review:

✔ Consistent Surface Quality – Effective removal of scale, oxides, and impurities

✔ Tight Dimensional Control – Maintains ±0.1mm tolerance with alloy molds

✔ Optimized for Further Processing–Ideal base for plating, painting, or machining

✔ Compliance with Industry Standards– Meets ASTM A484, ISO 2768, and RoHS

Strategic R&D Investment in Advanced Steel TechnologiesDriving Material Innovation Through Collaborative Partnerships

Application Requirements to Review

High-Strength Alloys – Specify yield strength, section geometry and service loads in the drawing

Machinability – Review grade, hardness, cutting conditions and machining allowance