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TORICH INTERNATIONAL LIMITED

  • China,Ningbo ,Zhejiang
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China ST52 Seamless Steel Triangle Tube for Agricultural Shafts
China ST52 Seamless Steel Triangle Tube for Agricultural Shafts

  1. China ST52 Seamless Steel Triangle Tube for Agricultural Shafts
  2. China ST52 Seamless Steel Triangle Tube for Agricultural Shafts
  3. China ST52 Seamless Steel Triangle Tube for Agricultural Shafts
  4. China ST52 Seamless Steel Triangle Tube for Agricultural Shafts
  5. China ST52 Seamless Steel Triangle Tube for Agricultural Shafts

ST52 Seamless Steel Triangle Tube for Agricultural Shafts

  1. MOQ: 1Ton
  2. Price: 800-1100USD/Ton
  3. Get Latest Price
Payment Terms L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability 60000 Ton/Tons per Year
Delivery Time 20-30days upon products
Packaging Details In bundles or in wooden boxes.
Application Agricultural Shafts
Outer diameter(round) 30 - 426 mm,
Thickness 2 - 100 mm,
Technique Cold Drawn,Hot Rolled,Cold Rolled,ERW,Hot Rolled/Cold Drawn
Section shape Round,Rectangular
Grade group ST35-ST52
Length 6M or as requirement,As customer's require,8m,5.8m,2.5-8m
Brand Name TORICH
Model Number Triangle Pipe ST52
Certification API,CE,ISO,ISO9001-2008,ISO9001
Place of Origin Zhejiang/China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,D/A,D/P,T/T,Western Union,MoneyGram Supply Ability 60000 Ton/Tons per Year
Delivery Time 20-30days upon products Packaging Details In bundles or in wooden boxes.
Application Agricultural Shafts Outer diameter(round) 30 - 426 mm,
Thickness 2 - 100 mm, Technique Cold Drawn,Hot Rolled,Cold Rolled,ERW,Hot Rolled/Cold Drawn
Section shape Round,Rectangular Grade group ST35-ST52
Length 6M or as requirement,As customer's require,8m,5.8m,2.5-8m Brand Name TORICH
Model Number Triangle Pipe ST52 Certification API,CE,ISO,ISO9001-2008,ISO9001
Place of Origin Zhejiang/China
High Light ST52 seamless steel tubeagricultural shaft steel tubeprecision seamless triangle tube

ST52 Triangle Pipe Lemon Shape Alloy Seamless Steel Tube For Agricultural Shafts

Material

The ST52 triangle pipe is a seamless, high-strength structural steel tube characterized by its uniform “lemon” (triangular) cross-section. Manufactured through hot extrusion and precision cold drawing, it delivers excellent dimensional accuracy, smooth internal surfaces, and superior mechanical properties suitable for demanding agricultural shaft applications.

Specifications

  • Shape: Equilateral triangular (“lemon”) cross-section

  • Grade: ST52 (per EN 10210/10219)

  • Production Method: Hot extrusion + cold drawing (seamless)

  • Dimensions:

    • Side length (a): 30 mm–100 mm (customizable)

    • Wall thickness (t): 2 mm–8 mm

    • Length: 3 m–12 m (standard)

  • Surface Finish: Mill finish or optional black oxide coating

  • Tolerance: ±0.2 mm on side length; ±0.15 mm on thickness

Chemical Composition

Grade C (max %) Si (max %) Mn (max %) P (max %) S (max %) Standard
ST52 0.22 0.50 1.60 0.035 0.035 EN 10210/10219
S355JR 0.22 0.55 1.60 0.035 0.035 EN 10025-2
Q345B 0.20 0.50 1.70 0.045 0.045 GB/T 1591
A572 Grade 50 0.23 0.40 1.35 0.035 0.040 ASTM A572/A572M
A106 Grade B 0.29 0.45 1.06 0.025 0.015 ASTM A106/A106M

Mechanical Properties

Grade Yield Strength (MPa) Tensile Strength (MPa) Elongation (%) Standard
ST52 ≥355 510–680 ≥22 EN 10210/10219
S355JR ≥355 470–630 ≥20 EN 10025-2
Q345B ≥345 470–630 ≥20 GB/T 1591
A572 Grade 50 ≥345 450–620 ≥18 ASTM A572/A572M
A106 Grade B ≥240 415–550 ≥30 ASTM A106/A106M

Key Features

  • High Strength-to-Weight Ratio: Optimized alloy chemistry delivers excellent load-bearing capacity at reduced weight.

  • Seamless Integrity: Manufactured without weld seams for uniform stress distribution and fatigue resistance.

  • Dimensional Precision: Tight tolerances ensure consistent fit and alignment in shaft assemblies.

  • Surface Quality: Smooth internal/external walls minimize wear on bearings and seals.

  • Corrosion Resistance: Optional coatings or post-treatments extend service life in harsh agricultural environments.

Applicable Standards

  • ASTM: ASTM A572/A572M, ASTM A106/A106M

  • EN: EN 10210, EN 10219, EN 10025-2

  • GOST: GOST 8732-78 (seamless tubes)

  • JIS: JIS G3444 (carbon steel tubes)

  • GB: GB/T 12771, GB/T 8162

Application Domains

Agricultural Machinery Shafts

  • Tractor Drive Shafts: Transmit torque from engine to drivetrain via triangular spline fittings.

  • Combine Harvester Shafts: Provide power take-off interfaces for header and threshing units.

  • Plow Frame Connectors: Act as rigid couplings between plow beams and hydraulic actuators.

  • Seeder Drive Shafts: Ensure precise, backlash-free rotation for seed metering assemblies.

  • Rotary Tiller Shafts: Deliver robust torque to tillage tines in corrosive soil conditions.


     


     


Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.


Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock,

it is according to quantity.


Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.


Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.



Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller

  • Year Established:

    1997

  • Total Annual:

    25000000-30000000

  • Employee Number:

    100~200

  • Ecer Certification:

    Verified Supplier

Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ... Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ...

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  • Reach Us
  • TORICH INTERNATIONAL LIMITED
  • Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
  • https://www.precision-steeltube.com/

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