Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L

Product Details
Customization: Available
After-sales Service: 24h Online
Type: Seamless/Welded
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  • Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L
  • Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L
  • Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L
  • Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L
  • Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L
  • Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L
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  • Overview
  • Product Description
  • Detailed Photos
  • Certifications
  • Packaging & Shipping
  • Company Profile
  • Our Advantages
  • FAQ
Overview

Basic Info.

Model NO.
ASTM: A105, A106, A106B, A106C, A178, A179, A192,
Technique
Hot/Cold Rolled,Cold Draw,ERW,Saw,Efw,Extrude
Material
Carbon,Stainless,Alloy
Surface Treatment
Black/Varnishing/Polished/Oiled/Galvanized
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape
Rectangular
Payment
T/T,L/C,etc.
Certificate
CCS, ABS, BV API, ISO9001
Thickness
Customizable
Length
Customizable
Width
Customizable
Delivery
at Stock or 7-15 Days According to The Quantity
MOQ
Low MOQ
Quality Control
100% Inspection
Secondary or Not
Non-Secondary
Sample
Provide
Standard and Grade-01
ASTM: A105, A106, A106b, A106c,
Standard and Grade-02
SAE1018, SAE1020, SAE1045,etc
Standard and Grade-03
16mn, 50mn, Q195, Q215, Q235
Technique-01
Hot Rolled, Cold Drawn, Forging, Seamless, Welded
Transport Package
Neutral Standard Export Seaworthy Packing
Specification
As requirement
Trademark
Tongno
Origin
Wuxi China
Production Capacity
200, 000 Ton/Year

Product Description

Product Description

Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L
Profiled Pipe Crafted with precision and innovation, the profiled pipe is an exquisite seamless steel pipe, skillfully engineered from various profiles through a meticulous cold drawing process. These profile tubes are predominantly categorized by their cross-sectional shape, while they can be further differentiated by their composition into seamless steel pipe profile tubes, aluminum alloy profile tubes, and plastic profile tubes.

Rectangular/Square Tube This remarkable rectangular and square tube is a masterpiece of engineering, featuring a hollow square cross-section that is both lightweight and enduring, crafted from thin-walled steel. Revered as steel cooling bending profiles, it originates from Q235 hot-rolled or cold-rolled steel strips or coils. Through an innovative cold bending process and high-frequency welding, it is transformed into a square cross-section steel section of unparalleled precision. The hot-rolled extra thick walled square tubes boast enhanced wall thickness, with corner dimensions and edge straightness that meet or surpass the stringent standards of resistance welding cold-formed square tubes.
Classification of Rectangular/Square Tube:
The diverse range of rectangular and square tubes includes steel pipe varieties such as seamless steel pipes and welded steel pipes (or seamed pipes), with options like hot-rolled seamless square tubes, cold-drawn seamless square tubes, extruded seamless square tubes, and welded square tubes available.
The categorization of welded square tubes is as follows:
1. According to the process - these include electric arc welding square tubes, resistance welding square tubes (encompassing both high frequency and low frequency), gas welding square tubes, and furnace welding square tubes;
2. According to the welding seam - options encompass straight seam welded square tubes and spiral welded square tubes.
Product Name Profiled Tubes
Standard ASTM: A105, A106, A106B, A106C, A178, A179, A192, A210, A519, A53, A53A, A53B,API5L,etc
ASME: B36.19, B36.10,etc
SAE1018, SAE1020, SAE1045,etc
JIS: S20C, S25C, S35C, S45C, S55C,etc
DIN: C35, CK35, C45, CK45, etc
GB/T: 10#, 20#, 35#, 45#, 55#, etc
Material 16Mn, 50Mn, 20Cr, 40Cr, 15CrMo, 20CrMo, 30CrMo, 35CrMo, 42CrMo, SS400,etc
C35/CK35, C45/CK45, etc
SAE1018, SAE1020, SAE1045,etc
St37, St52, etc
Q195, Q215, Q235, Q275,Q295,Q345,Q355,Q390,etc
S235(JR,J0,J2),S275(JR,J0,J2),S355(JR,J0,J2),S420(N,ML),S460(M,ML)
Square Pipe Size 16×16×0.4~1.5 ; 18×18×0.4~1.5 ; 20×20×0.4~1.5 ; 25×25×0.6~2.0 ; 30×30×0.6~4.0 ; 34×34×1.0~2.0 ; 35×35×1.0~4.0 ; 38×38×1.0~4.0 ; 40×40×1.0~4.5 ; 44×44×1.0~4.5 ; 45×45×1.0~5.0 ; 50×50×1.0~5.0 ; 60×60×1.5~5.0 ; 70×70×2.0~6.0 ; 75×75×2.0~6.0 ; 80×80×2.0~6.0 ; 85×85×2.0~6.0 ; 95×95×2.0~8.0 ; 100×100×2.0~8.0 ; 120×120×4.0~8.0 ; 150×150×6.0~10.0 ; 180×180×6.0~12.0 ; 200×200×6.0~30.0 ; 220×220×6.0~30.0 ; 250×250×6.0~30.0 ; 280×280×6.0~30.0 ; 300×300×8.0~30.0 ; 320×320×8.0~30.0 ; 350×350×8.0~30.0 ; 380×380×8.0~30.0 ; 400×400×8.0~30.0 ; 420×420×10.0~30.0 ; 450×450×10.0~30.0 ; 480×480×10.0~30.0 ; 500×500×10.0~30.0
Rectangular Tube Size 10×20×0.6~1.5 ; 14×21×0.6~1.5 ; 15×30×1.5~1.5 ; 15×38×0.6~1.5 ; 20×30×0.6~2.0 ; 20×40×0.8~2.0 ; 20×50×1.0~2.0 ; 22×35×0.9~2.0 ; 25×40×0.9~3.75 ; 25×65×1.0~2.0 ; 30×40×1.0~3.75 ; 30×45×1.0~3.75 ; 30×50×1.0~4.0 ; 30×60×1.0~4.5 ; 40×50×1.0~4.5 ; 40×60×1.0~5.0 ; 40×80×1.5~5.0 ; 40×100×2.0~5.0 ; 50×60×2.0~5.0 ; 50×80×2.0~5.0 ; 50×100×2.0~8.0 ; 60×80×2.0~6.0 ; 80×100×2.0~8.0 ; 120×60×2.5~10.0 ; 120×80×2.5~10.0 ; 150×100×2.5~12.0 ; 180×150×2.5~12.0 ; 200×100×4~12.0 ; 200×150×4~12.0 ; 250×150×6~12.0 ; 250×100×6~12.0 ; 250×200×6~30.0 ; 300×150×6~30.0 ; 300×200×6~30.0 ; 300×250×6~30.0 ; 400×250×8~30.0 ; 400×300×8~30.0 ; 450×200×8~30.0 ; 450×250×8~30.0 ; 400×300×8~30.0 ; 400×350×8~30.0 ; 500×200×10~30.0 ; 500×250×10~30.0 ; 500×300×10~30.0 ; 500×350×10~30.0 ; 500×400×10~30.0 ; 500×450×10~30.0
Technique Hot Rolled, Cold Drawn, Forging, Seamless or Welded
Pipe Ends 1) Plain  2) Beveled  3) Threaded with coupling and plastic cap
Deep Processing Oiled, Painted, Galvanized, Powder Coating, Shrink Head, Pressure Groove, Welding Head, Punching, Threaded With Coupling and Plastic Cap
Package Standard sea-worthy package or as required

Chemical Composition:

Grade Chemical Composition
C Max Mn SI Max P Max S Max V Nb Ti Al Min Cr Max Ni Max
Q295 A 0.16 0.80-0.15 0.55 0.045 0.045 0.02-0.15 0.015-0.060 0.02-0.20 -    
B 0.16 0.80-0.15 0.55 0.04 0.04 0.02-0.15 0.015-0.060 0.02-0.20 -
Q345 A 0.2 1.00-1.6o 0.55 0.045 0.045 0.02-0.15 0.015-0.060 0.02-0.20 -
B 0.2 1.00-1.60 0.55 0.04 0.04 0.02-0.15 0.015-0.060 0.02-0.20 -
c 0.2 1.00-1.60 0.55 0.035 0.035 0.02-0.15 0.015-0.060 0.02-0.20 0.015
D 0.18 1.00-1.60 0.55 0.03 0.03 0.02-0.15 0.015-0.060 0.02-0.20 0.015
E 0.18 1.00-1.60 0.55 0.025 0.025 0.02-0.15 0.015-0.060 0.02-0.20 0.015
Q390 A 0.2 1.00-1.60 0.55 0.045 0.045 0.02-0.20 0.015-0.060 0.02-0.20 - 0.3 0.7
B 0.2 1.00-1.60 0.55 0.04 0.04 0.02-0.20 0.015-0.060 0.02-0.20 - 0.3 0.7
c 0.2 1.00-1.60 0.55 0.035 0.035 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.3 0.7
D 0.2 1.00-1.60 0.55 0.03 0.03 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.3 0.7
E 0.2 1.00-1.60 0.55 0.025 0.025 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.3 0.7
Q420 A 0.2 1.00-1.70 0.55 0.045 0.045 0.02-0.20 0.015-0.060 0.02-0.20 - 0.4 0.7
B 0.2 1.00-1.70 0.55 0.04 0.04 0.o2-0.20 0.015-0.060 0.02-0.20 - 0.4 0.7
c 0.2 1.00-1.70 0.55 0.035 0.035 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.4 0.7
D 0.2 1.00-1.70 0.55 0.03 0.03 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.4 0.7
E 0.2 1.00-1.70 0.55 0.025 0.025 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.4 0.7
Q460 A 0.2 1.00-1.70 0.55 0.035 0.035 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.7 0.7
B 0.2 1.00-1.70 0.55 0.03 0.03 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.7 0.7
C 0.2 1.00-1.70 0.55 0.025 0.025 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.7 0.7

Detailed Photos

Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L
Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L
Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L
Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L
Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L
Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L

 

Certifications

Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L

Packaging & Shipping

1.Our products are expertly packed with export-worthy sea packaging complemented by water-resistant paper, ensuring that they reach you in pristine condition.
2. Safe loading and securing of goods is guaranteed by our skilled professional teams, who are dedicated to maintaining the integrity of your order during transit.

Delivery Detail: Your order will be dispatched swiftly within 7-10 working days after the deposit is received, or as per the quantity specified in your order, ensuring timely and efficient delivery.


Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L

Company Profile

Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5LSupplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L
Wuxi Tongno Special Steel Co., Ltd. Established in 2013 with a robust registered capital of 5 million yuan, Wuxi Tongno Special Steel Co., Ltd. stands as a beacon of expertise in the seamless steel pipe manufacturing industry. Through years of dynamic growth, our company has expanded to operate three cutting-edge seamless steel pipe production lines, showcasing our commitment to innovation and excellence.

At Wuxi Tongno Special Steel Co., Ltd., we steadfastly adhere to our core business philosophy of 'quality first, customer first'. This commitment ensures that our products embody high precision, an extensive range of wall thicknesses, and are available in small batch sizes with diverse varieties, all delivered with impressive speed. We take pride in our domestic leadership in producing small-diameter, medium-thick-walled, and large-caliber thin-walled alloy seamless steel pipes. Our superior products are esteemed both nationally and internationally, contributing significantly to various construction projects and demonstrating our unique manufacturing prowess.
Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L

Our Advantages

1. Exceptional Service: We pledge to respond to all inquiries within a remarkable 12-hour timeframe, ensuring prompt and efficient communication.

2. Certifications: We proudly hold prestigious ISO 9001, CE, and SGS certifications, underscoring our commitment to quality.

3. Cost - Effective Quality: Experience the perfect blend of competitive pricing and premium quality. Our products are sourced directly from our state-of-the-art factory, providing you with unrivaled value.

4. Robust Production Capacity: With an impressive monthly output of 20,000 tons, we guarantee a smooth and uninterrupted production flow.

5. Flexible Payment Terms: Our diverse payment options, including T/T and L/C, are designed to accommodate your financial preferences with ease.

6. Swift Delivery & Standard Export Packaging: Expect rapid delivery coupled with packaging that meets rigorous international export standards, ensuring your satisfaction.

7. Factory - Direct Advantage: Harnessing the power of our in-house factory, we offer competitive pricing while steadfastly maintaining exceptional quality.

8. Third - Party Testing: We welcome any third-party verification, firmly standing by the superior quality of our products.

9. Expert Team Support: Our professional sales team and dependable factory staff are dedicated to providing you with unparalleled support.

10.Dedicated to Customization: Your unique specifications are not merely accommodated; they are the essence of our service. We are devoted to fulfilling every customized request with precision and care.

Supplier ERW Hot-Rolled/Cold-Drawn Square Hollow Section Galvanized Steel Pipe API 5L

FAQ

Q1: What are your primary product offerings?

A1: We are a leading manufacturer and supplier of high-quality steel products, specializing in:
Stainless Steel & Carbon Steel: Sheets/plates, coils, and pipes/tubes (both seamless and welded)
Structural Components: Various bar profiles (round, square, hexagonal, flat, angle), C-channels, and H/I-beams
Custom Fabrications: Tailored solutions to meet specific project requirements

Q2: What quality assurance measures do you have in place?

A2: We maintain stringent quality control through:
Comprehensive Mill Test Certificates provided with all shipments
Optional third-party inspection services (SGS, BV, etc.)
ISO-certified manufacturing processes
Rigorous in-house testing and quality checks

Q3: What are your standard packaging terms?

A3: Our standard packaging includes:
Bundled or coiled goods secured with steel rods/straps
Custom packaging solutions available per customer specifications
Export-grade packaging to ensure optimal protection during transit

Q4: What is your typical delivery timeline?

A4: We offer flexible delivery options:
Stock items: Ready for shipment within 3 business days after deposit confirmation
Made-to-order items: Production typically completed within 7-15 working days post-deposit
Expedited options available for urgent requirements

Q5: What competitive advantages does your company offer?

A5: We differentiate ourselves through:
A team of highly skilled professionals and technical experts
Industry-leading pricing without compromising quality
Unparalleled after-sales support and customer service
Extensive inventory and reliable supply chain management

Q6: Do you provide product samples?

A6: Yes, we're pleased to offer:
Complimentary small samples from existing inventory
Customer only responsible for shipping costs
Custom samples available for specific project needs

Q7: What are your payment terms?

A7: Our standard payment structure:
30% advance payment via T/T to initiate production/order
Remaining 70% balance due prior to shipment
Full documentation including product photos and packaging details provided before final payment

Why Choose Us?

Quality Assurance: Rigorous testing and certification
Competitive Pricing: Cost-effective solutions without compromise
Reliable Delivery: On-time fulfillment guaranteed
Custom Solutions: Tailored to your exact specifications
Expert Support: Technical guidance at every stage

For further inquiries or specific requirements, please contact our sales team. We're committed to providing exceptional service and top-quality steel products for your projects.

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