TORICH INTERNATIONAL LIMITED
| 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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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 tube ，agricultural shaft steel tube ，precision seamless triangle tube | ||
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.
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
| 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 |
| 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 |
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.
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
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.
A: manufacturer,also can do trading.
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.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
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
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
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