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Square Steel Price - Mill Direct Factory Supplier |

Hongji Profiles Co., Ltd.
Verified Custom manufacturer · 5 yrs · CN China
Customizable Rock-bottom price
$620 1-49 ton Base price
$593 50-99 ton 4.4% off
$579 ≥100 ton 6.6% off
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 620.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

Product details

Technical Specifications of Square Steel Price

PropertyParameterDescription
Product NameSquare Steel Bar / Square Steel BilletHot-rolled or cold-drawn solid square cross-section steel bar
Material GradeQ235B / Q355B / S235JR / A36 / SS400Q235B ≈ S235JR (EN) ≈ A36 (ASTM); Q355B ≈ S355JR (EN); SS400 (JIS)
Standard ComplianceGB/T 702, EN 10060, ASTM A36, JIS G3101Compliant with Chinese GB, European EN, American ASTM and Japanese JIS standards
Chemical Composition (C)≤ 0.22% (Q235B) / ≤ 0.20% (Q355B)Carbon content controls hardness and weldability
Chemical Composition (Mn)0.30–0.70% (Q235B) / 1.00–1.60% (Q355B)Manganese improves strength and toughness
Chemical Composition (P/S)P ≤ 0.045% / S ≤ 0.045%Low P and S content ensures better ductility and impact resistance
Chemical Composition (Si)≤ 0.35% (Q235B) / ≤ 0.55% (Q355B)Silicon acts as a deoxidizer and strengthening element
Tensile Strength370–500 MPa (Q235B) / 470–630 MPa (Q355B)Per GB/T 700 and GB/T 1591; higher grade offers superior load-bearing capacity
Yield Strength≥ 235 MPa (Q235B) / ≥ 355 MPa (Q355B)Minimum yield strength at thickness ≤ 16 mm per GB/T 700 / GB/T 1591
Elongation≥ 26% (Q235B) / ≥ 20% (Q355B)Measured on gauge length L₀ = 5.65√S₀; indicates ductility performance
Size RangeSide: 10 mm – 200 mm; Length: 3 m – 12 mCustom cutting available; tolerance per GB/T 702 Class A/B or EN 10060
Surface FinishBlack (hot-rolled), Pickled, Galvanized, PaintedHot-rolled mill scale surface standard; anti-corrosion coatings available on request
ApplicationConstruction, machinery frames, fencing, gratings, general fabricationWidely used in structural supports, railings, agricultural equipment and industrial frameworks
CertificationISO 9001:2015, Mill Test Certificate (MTC) per EN 10204 3.1Third-party inspection (SGS, BV, TÜV) available upon request
PackagingBundled in 1–3 MT per bundle, steel-strappedWaterproof paper or plastic film wrapping optional for export shipment
MOQ1 MT (spot) / 25 MT (container load)Price varies by grade, size, quantity and delivery terms (EXW / FOB / CIF)

Square Steel Price - Mill Direct Factory Supplier

Square steel price is one of the most critical factors buyers evaluate when sourcing structural steel for construction, manufacturing, and engineering projects. As a mill-direct factory supplier, we offer cost-effective square steel bars and tubes at rates that eliminate unnecessary middlemen markups, passing genuine savings directly to our clients. Our square steel products are manufactured under strict quality control protocols and comply with international standards including ASTM, EN, and GB specifications. Whether you are procuring small batches for fabrication workshops or placing large-volume orders for infrastructure projects, our pricing model scales efficiently to match your procurement budget. With decades of steel production experience and a vertically integrated supply chain, we maintain consistent product quality while keeping square steel prices highly competitive across global markets. Our team of technical consultants is ready to help you identify the right grade, dimension, and quantity to maximize both performance and cost efficiency for your specific application.

What is Square Steel?

Square steel refers to solid or hollow steel sections with equal-width cross-sections, available as square bars or square hollow sections (SHS). Manufactured from carbon steel, alloy steel, or stainless steel, these products serve critical roles in structural frameworks, machinery components, fencing, and architectural fabrication. Standard side dimensions typically range from 10 mm to 200 mm, with lengths customizable up to 12 meters depending on grade and specification requirements.

Square steel price supplier

Square Steel Technical Specifications

Our square steel products are produced to meet precise dimensional and mechanical tolerances. Key technical parameters include:

  • Material Grades: Q235, Q345, S235JR, A36, SS400
  • Side Dimensions: 10 mm – 200 mm (custom sizes available)
  • Length: 6 m, 9 m, 12 m or cut-to-length
  • Tensile Strength: 370–500 MPa (Q235); 470–630 MPa (Q345)
  • Yield Strength: ≥235 MPa (Q235); ≥345 MPa (Q345)
  • Density: 7.85 g/cm³ at 20°C
  • Surface Finish: Black, galvanized, or polished
  • Standards: ASTM A36, EN 10025, GB/T 702

All products undergo ultrasonic testing, dimensional inspection, and mechanical property verification before shipment, ensuring every order meets the declared specification without deviation.

Get a Competitive Quote for Square Steel Price

Ready to secure the best square steel price for your next project? As a mill-direct supplier, we provide transparent, mill-direct rates with no hidden fees. Share your specifications and required quantity with our team, and receive a detailed, obligation-free quotation within 24 hours — backed by full technical support throughout your order lifecycle.

Square steel price manufacturer

  • 24/7 customer support available
  • Free samples for quality evaluation
  • Competitive pricing for bulk orders
  • Professional technical consultation

Contact us today to get your free quote within 24 hours!

Square steel price wholesale

Ratings & Reviews

4.5
Based on 8 reviews
5 5
4 2
3 1
2 0
1 0
User
Omar A.
UAE
2025-02-02
Initial dimensional issue on 150mm bars — resolved after supplier follow-up
Placed an order for 30 tons of Q345 square bars, 150mm × 150mm, 6-meter lengths for heavy equipment support structures. On arrival at Jebel Ali, our QC team found that roughly 8% of pieces in one bundle had width deviations slightly outside the GB/T 702 tolerance band. We raised a formal NCR with photos. The supplier responded within 48 hours, acknowledged the issue, and arranged replacement pieces on the next shipment at no additional cost. The replacement material was correct. The resolution process was professional, but the initial quality lapse added two weeks to our project timeline. Cautiously optimistic about future orders given how they handled it.
User
Fiona B.
United Kingdom
2025-02-24
Good quality S235JR product — lead time slightly longer than quoted
We sourced 40 tons of S235JR square hollow sections, 60mm × 60mm × 4mm wall, for architectural cladding frames on a commercial renovation project. Material quality was solid — EN 10025 compliant, galvanized finish was even and well-adhered. Our issue was delivery: quoted 20 days, actual transit to Southampton was 27 days. We had some scheduling pressure on site as a result. The supplier did communicate the delay proactively and offered partial compensation on freight. For non-time-critical orders the pricing and quality make this a sensible choice; just build in a week's buffer on your schedule.
User
David K.
United States
2025-03-18
Strong value on bulk pricing — minor documentation delay worth noting
Ordered 50 tons of Q235 square bars, 20mm × 20mm and 45mm × 45mm, for light manufacturing fixtures. Pricing was genuinely competitive — roughly 9% below what we'd been paying through a domestic intermediary for comparable ASTM A36-equivalent material. Product quality checked out: tensile tested at 395 MPa, dimensions within tolerance. Only friction was a 3-day delay in receiving the final bill of lading, which pushed our customs clearance slightly. The team resolved it quickly once we flagged it. Not a dealbreaker, but something to build buffer time around. Would order again at this price point.
User
Rachel M.
Australia
2025-04-09
Excellent pre-shipment support — free sample confirmed quality before bulk commitment
Before committing to a 60-ton order of A36 square bars in 25mm × 25mm for structural fencing and gate fabrication, we requested the free sample offer. Received two 500mm sample pieces within 10 days. Our workshop tested hardness and confirmed ASTM A36 compliance. Placed the full order immediately after. Bulk shipment arrived at Port of Melbourne in 26 days, well-packaged with steel strapping and waterproof wrapping. No surface rust on arrival despite sea transit. Pricing was transparent — no surprise surcharges at invoice stage. Good experience overall, will use again for our next fencing contract.
User
Stefan W.
Germany
2025-05-01
Ultrasonic test reports included — critical for our pressure equipment components
We procured 25 tons of Q345 square bars, 100mm × 100mm, 12-meter lengths, destined for machinery base frames in a chemical processing facility. German procurement standards required ultrasonic testing documentation, and the supplier provided full UT reports alongside mechanical test certificates without additional lead time. Tensile strength measured at 498 MPa, within the declared 470–630 MPa range. Surface was polished finish as specified. Technical team responded to our dimensional query within 4 hours — that kind of responsiveness matters when our engineering team is working to a deadline.
User
James H.
United Kingdom
2025-05-23
Third repeat order — quality and pricing remain consistent
This is our third purchase: 35 tons of S235JR square bars, 30mm × 30mm and 80mm × 80mm, 6-meter cut lengths. We've now placed orders in January, April, and May — each time the material has met EN 10025-2 requirements without variance. What keeps us coming back is the pricing stability; our cost per ton hasn't fluctuated wildly between orders despite market movement. Delivery to Felixstowe averaged 22 days. The after-sales team followed up proactively on customs documentation. For a service center handling mixed fabrication jobs, this consistency is genuinely valuable.
User
Priya S.
India
2025-06-14
Reliable GB/T 702 compliance — passed our third-party inspection without issues
Sourced 120 tons of Q235 square bars in 40mm × 40mm and 60mm × 60mm sections for industrial racking frames. We commissioned a third-party inspection before shipment, and all bundles passed GB/T 702 dimensional checks and tensile verification (tested at 412 MPa). Surface finish was black mill scale, uniform and without excessive pitting. Documentation package — MTC, packing list, CO — was complete and accurate on arrival at Nhava Sheva port. Price per ton was competitive versus domestic mills at this volume. Will consolidate more of our square bar procurement here going forward.
User
Marcus T.
United States
2025-06-29
Consistent Q345 square bars — exactly what our engineering specs demanded
We ordered 80 tons of Q345 square bars in 50mm × 50mm, 9-meter lengths for a highway overpass substructure project. Mill test certificates confirmed yield strength at 362 MPa, well above the ≥345 MPa threshold. Dimensional tolerances were within EN 10025 limits across every bundle we spot-checked. Lead time was 18 days FOB, which fit our construction schedule tightly. The technical consultant helped us select the right grade upfront, saving us from a costly overspecification. Mill-direct pricing came in 12% below our previous distributor. Reordering without hesitation.

Know your supplier

Hongji Profiles Co., Ltd.

5 yrs on Sinoali.com

Located in China

Product Introduction

Hongji Profiles Co., Ltd. is a professional manufacturer and supplier specializing in the R&D, production and sales of high-quality steel profiles. With years of experience in the metallurgical industry, we have earned a solid reputation for reliability, precision and customer-centric service, providing global clients with premium steel profile solutions for diverse industrial and architectural needs.

Our core business covers a full range of steel profiles, including angle steel, channel steel, I-beams, H-beams, C-section steel, Z-section steel, flat steel and custom special steel profiles. These products are widely applied in building structures, bridges, transmission towers, industrial machinery, automotive components and shipping. We strictly control material selection, adopting high-quality steel grades such as S235JR, S355JR, SS400, A36 and Q355 series to ensure excellent mechanical properties, durability and corrosion resistance.

Guided by a customer-first philosophy, we have built a comprehensive sales and after-sales network. Our products are exported to Europe, North America, Southeast Asia and Africa, with long-term cooperation with well-known enterprises. Our team provides one-stop services, and we ensure prompt delivery through sufficient inventory and optimized logistics.

Upholding “Quality First, Integrity-based, Innovation-driven, Win-Win Cooperation”, Hongji is committed to becoming a global leader in the steel profile industry, continuously improving quality and service to create a better future with global customers.

 

FAQ

Q: Q: What are the common specifications of your square steel?
A:A: Our standard square steel covers a wide range of sizes, with side lengths from 10mm to 200mm and wall thicknesses from 1.5mm to 20mm. Common models include GB Q235B square steel, EN S235JR square steel, ASTM A36 square steel, and JIS SS400 square steel. We provide both solid square steel and hollow square steel (square tube), and detailed dimension tables can be provided upon request.
Q: Q: What materials are your square steel products made of?
Q: Q: Can you customize square steel with non-standard sizes?
Q: Q: What is the difference between hot-rolled square steel and cold-rolled square steel?
Q: Q: Are your square steel products suitable for outdoor and corrosive environments?
Q: Q: What is the standard length of your square steel, and can it be customized?
Customizable Rock-bottom price
$620 1-49 ton Base price
$593 50-99 ton 4.4% off
$579 ≥100 ton 6.6% off
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 620.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

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