Hunan Wangkun Pipe Industry Co., Ltd.
                                                                                                           
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9 Years
Since 2017
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Stainless Steel Square Tube 20×20mm to 200×200mm in 201/304/316/316L Grades with 0.1-50mm Thickness

Price Negotiable
Price: Negotiable
MOQ: 100
Delivery Time: 7-40 days
Brand: WANGKUN PIPE
Product Description
Premium Stainless Steel Square Tubes

High-quality welded stainless steel square pipes available in 201, 304, 316, and 316L grades with dimensions ranging from 20×20mm to 200×200mm and thickness options from 0.1mm to 50mm.

Product Overview

Our stainless steel square tubes offer exceptional durability and corrosion resistance for demanding industrial applications. Manufactured to international standards including TP304, TP304L, TP316, and TP316L, these tubes provide reliable performance across various sectors.

Key Specifications
Parameter Specification
Available Grades Stainless Steel 201 / 304 / 304L / 316 / 316L
Outer Dimensions 20×20mm to 200×200mm (custom sizes available)
Thickness Range 0.1mm to 50mm (custom options)
Surface Finish 2B, HL, Polished
Manufacturing Type Welded
Standard Length 5.8-6 meters (custom lengths available)
Delivery Time 7-40 Days
Applications
  • Chemical processing equipment
  • Pharmaceutical and biomedical systems
  • Petrochemical and refinery installations
  • Environmental protection systems
  • Food processing machinery
  • Aviation components
  • Architectural structures and handrails
  • Industrial machinery and equipment
Quality Assurance

All products undergo rigorous quality control and are certified by internationally recognized inspection bodies including TUV, SGS, BV, ABS, and LR. Backed by Trade Assurance After Sales Service warranty for complete customer confidence.

Packaging & Shipping

Available packaging options include bundles, nylon bags, wooden cases, or custom packaging as required. Transportation methods include air, sea, train, and truck delivery worldwide.

Frequently Asked Questions
What materials are used in these square tubes?
Manufactured from premium stainless steel grades 201, 304, 304L, 316, and 316L, ensuring excellent corrosion resistance and structural integrity.
Are these tubes suitable for outdoor applications?
Yes, the stainless steel construction provides excellent weather resistance and durability for outdoor use.
What maintenance is required?
Minimal maintenance required - occasional cleaning with mild detergent and soft cloth maintains appearance and performance.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hunan Wangkun Pipe Industry Co., Ltd.
Location Add:Room 602, Building 2, Chaoshi Intelligent Industrial Park, No. 37 Xinyuan Road, Tianxin District, Changsha , Hunan Province, China
Contact Person Tan

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