Shapes & Profiles

Hexagonal Steel Pipes&Tubes

Hexagonal seamless steel tubes with a regular six-sided cross-section. Share your profile dimensions, material grade, wall thickness and fit requirements with Tenjan.

Custom grades & dimensionsFull quality traceabilityGlobal standards support

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Product details

Product Description

These Cold-Drawn Hexagonal Tubes are engineered for stable performance in demanding applications, making them ideal for Mechanical Component Processing, Automotive Parts Machining, and Heavy-Duty Engineering Machinery. A key and efficient application is the manufacturing of Hexagonal Nuts, where our Seamless Hexagonal Pipes significantly save processing time and reduce material waste.

Backed by our R&D team with 30 years of technical expertise, we provide reliable Custom-Designed Hexagonal Tubes tailored to your specific drawings and requirements, delivering robust solutions across diverse industrial sectors.

Precision Seamless Hexagonal Steel Tubes 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
Wall Thickness	1-20mm (0.039″-0.79″) • ±0.1mm precision tolerance
Material	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	DT4,Y15,10#,20#,20G,Q235,25Mn,35#,45#,55# 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, 35Mn15CrMn,20CrMn,20CrMnMo,38CrMoAL,36Mn2V,38Mn2V,40MnMoV,15Mo3,16Mo3,31CrMoV9
ASTM	1215,1008,1010,1020,A105,A106 Gr.B,A36,1026,1035,1045,1055,SA179,SA192 Gr·50,Gr·55,Gr·65,5120,5140,4130,4135,4140,8620,4340,SAE 5120,1524,1340,15B41,SAE5115,SAE 5120,SCM23
EN	DC01,11SMn30,P235TR1,P195GH,P265TR2,E235 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	SUM22,S10C,STKM11A,STPT370,STB35,S20C,STKM12,STKM13,STPT410,STB42,SS400,S35C,S45C,S55C SCr22,SCr440,SCM415,SCM420,SCM430,SCM435,SCM440, SNCM220,SNCM439,SMnC420H,SMn420,SMn438, SMnC420H
DIN	DC01,11SMn30,CK10,C10,ST35.8,C20,CK20,ST45.8,St37,S235JR,C26D,CK35,CK45,CK55
GOST	08КП,10,20,Ст3сп,25,35,45,5515Г2, 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
General Structural	Square Rectangular Tubes	GB/T 3094,ASTM A500, EN 10210	Good Surface,lightweight,precision dimensions (±0.1mm)
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	ID/OD tolerances of ±0.05mm. Wall thickness uniformity 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

Custom-Shaped Steel Tubes – Precision Hex, Rectangular, D-Shaped & More for Industrial ApplicationsComplex Cross-Section Expertise:

We specialize in precision-engineered steel tubes with custom profiles including:

✔ Standard Shapes: Hexagonal, rectangular, square, oval

✔ Specialty Profiles: D-shaped, lemon-shaped, triangular

✔ Full Customization: Tailored to your exact CAD specifications

Industry Applications: Automotive, Industrial Machinery, Agricultural Machinery, Hydraulic Systems

Special-Shaped Steel Tube Engineering – Custom Solutions for Automotive, Hydraulic and Industrial Applications

Our 11+ member engineering team brings 30+ years of combined expertise in developing precision special-shaped tubes for:

✔ Automotive: Lightweight structural components, exhaust systems

✔ Hydraulics: High-pressure manifolds, precision connectors

✔ Industrial Equipment: Conveyor guides, machinery frames

✔ Energy: Heat exchanger tubing, boiler components

Precision Custom Hexagonal Steel Pipes – Material, Inspection and Delivery Planning Material Sourcing Review:

Collaborating with Baosteel, Xingcheng, and Shagang, we provide:

✔ 100+ Custom Alloy Grades –Tailored chemistry
(C, Cr, Mo, Ni adjustments)

✔ Engineered Properties – Yield strength 350-1200MPa customization

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

Value Proposition:

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

✔ Technical Consultancy– From material selection to application

✔ Consistent Quality – Confirm batch traceability and acceptance requirements

Heating and Normalizing Review for Precision Hexagonal Steel TubesHeating and Delivery Condition Review:

Review billet heating requirements and the agreed normalizing condition to address:

✓ Cracks ✓ Surface scaling ✓ Wall thickness variation

Normalizing requirements to confirm:

✔ ±2°C temperature control– Confirm the temperature-control requirement

Mechanical Property Review– Specify the required strength and delivery condition

Batch Consistency Checks– Confirm material identification and test records

Industry Applications:

Oil & Gas, Automotive, Energy, Hydraulic Systems