Premium Q355b Square Steel Hollow Section 200X200mm, 5850mm Length
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Product Highlights
- High-Strength Q355B Steel: Superior impact resistance compared to Q235, suitable for cold climates like Russia.
- Customizable Specifications: Accepts fixed lengths and various steel grades including St52 and S355JRH.
- Wide Application Scope: Ideal for construction, steel structures, road signs, and hydraulic pipes.
- Anti-Rust Surface Treatment: Surface covered with anti-rust oil, appearing black for enhanced durability.
- Flexible Payment Terms: Supports T/T or L/C at sight for secure and convenient transactions.
- Fast Delivery Time: Delivery within 15-20 days after receiving the deposit.
- Global Market Reach: Exported to Australia, Russia, Canada, and other regions with good reputation.
Product Attributes
- Customization
- Available
- After-sales Service
- Provide
- Warranty
- 1year
- Type
- Welded
- Technique
- ERW
- Material
- Alloy Steel
- Surface Treatment
- Black
- Usage
- Construction & Decoration
- Section Shape
- Square
- Size
- 200X200mm
- Thickness
- 6mm
- Length
- 5.85meters
- Steel Grade
- Q355/16mn/St52/S355jrh
- Yield Strength
- 345MPa - 355MPa
- Transport Package
- Bulk Packing, Anti-Rust Oil Covered
- Specification
- 200x200x6mm x 5.85meters
- Trademark
- Wanrunda
- Origin
- Shandong
- HS Code
- 7306610000
- Production Capacity
- 2000mt Per Year
Product Images of Premium Q355b Square Steel Hollow Section 200X200mm, 5850mm Length
-
Premium Q355b Square Steel Hollow Section 200X200mm, 5850mm Length -
Premium Q355b Square Steel Hollow Section 200X200mm, 5850mm Length -
Premium Q355b Square Steel Hollow Section 200X200mm, 5850mm Length -
Premium Q355b Square Steel Hollow Section 200X200mm, 5850mm Length -
Premium Q355b Square Steel Hollow Section 200X200mm, 5850mm Length -
Premium Q355b Square Steel Hollow Section 200X200mm, 5850mm Length -
Premium Q355b Square Steel Hollow Section 200X200mm, 5850mm Length
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Product Description
Qingdao Wanrunda Imp and Exp Co.,ltd mainly export Galvanized steel pipe/tube; Welded steel pipe/tube; Square pipe/tube; Seamless steel pipe; Stainless steel tube; Galvanized steel coil; Stainless steel coil; Angle steel; H beam; Channel beam; C beam/Riffled sheet; Square bar etc
(these square steel tube, we export to Indian market. The steel material is Chinese Q355B, it equal to St 52,S355JRH, Q355B anti-impact is better than Q235,AT500 Gr.B,SS400,A53 etc. It widly use for steel structure/machine/steel house etc in cold place,such as Russia.
This tube surface covered by Anti-rust oil,looks little black.Please see bellow detailed intruction for our Q355B square steel section:
Commodity: Square steel tube ( materia as Q355B)
Dimension: 200mm x 200mm
Wall thickness: 6mm
Length: 5.85meters( normal length6000mm, accept fixed length)
Material: Q355/16Mn/St52
Surface treatment: Anti-rust Oiled surface,Black surface
Thickness tolerance: +/- 0.25mm
OD. Tolerance: +/- 0.25mm
Technique: Hot rolled
Application: construction,Steel structure, Road sign,Steel frame,light industry,
automobile industry,fluid pipe,Hydraulic pipe, agriculture, etc.
MOQ: 10MT
Package: Surface to be oiled, bulk packing
Payment term: T/T or L/C at sight
Delivery time: within 15-20days after receiving the deposit
Remark: Special spec is available
Dimensions Measurment:
Mechanical character & Chemical element of normal material:
Container loading:
Company introduction:
QINGDAO WANRUNDA IMP AND EXP CO.,LTD is a special and experienced steel supplier and exporter, can manufacture according to ASTM,JIS,DIN,API standard. We have exported to Australia, Doha, Sri Lanka, India, Turkey, Kyrgyzstan, Russia, Canada, Poland, Middle east countries and African countries, We got very good reputation from all our cooperative clients;
We mainly manufacture and sale various kinds of steel pipe, include Welded pipe/Galvanized steel pipe/Pre-Galvanized steel pipe/Square and Rectangular hollow section/Furniture pipe/Warmhouse booth pipe/stainless steel pipe etc ; Steel coil include Pre-Galvanized steel coil and stainless steel coil; Steel profile include Angle steel/Channel steel/Steel checkered plate/Square steel/C-channel steel etc. We also deal with assorted products, such as Flange/Steel hinge/Plastic pipe plug and cap etc.
(these square steel tube, we export to Indian market. The steel material is Chinese Q355B, it equal to St 52,S355JRH, Q355B anti-impact is better than Q235,AT500 Gr.B,SS400,A53 etc. It widly use for steel structure/machine/steel house etc in cold place,such as Russia.
This tube surface covered by Anti-rust oil,looks little black.Please see bellow detailed intruction for our Q355B square steel section:
Commodity: Square steel tube ( materia as Q355B)
Dimension: 200mm x 200mm
Wall thickness: 6mm
Length: 5.85meters( normal length6000mm, accept fixed length)
Material: Q355/16Mn/St52
Surface treatment: Anti-rust Oiled surface,Black surface
Thickness tolerance: +/- 0.25mm
OD. Tolerance: +/- 0.25mm
Technique: Hot rolled
Application: construction,Steel structure, Road sign,Steel frame,light industry,
automobile industry,fluid pipe,Hydraulic pipe, agriculture, etc.
MOQ: 10MT
Package: Surface to be oiled, bulk packing
Payment term: T/T or L/C at sight
Delivery time: within 15-20days after receiving the deposit
Remark: Special spec is available
Dimensions Measurment:
Mechanical character & Chemical element of normal material:
| Material Chemical Composition (%) |
Q195 | C | Mn | Si | S | P | |
| 0.06-0.12 | 0.25-0.50 | ≤0.30 | ≤0.050 | ≤0.045 | |||
| Tensile strength: 315-430(Mpa) | |||||||
| Yield strength:195(Mpa) | |||||||
| Elongation:33 | |||||||
| Q235 | C | Mn | Si | S | P | ||
| 0.12-2.0 | 0.3-0.70 | ≤0.30 | ≤0.045 | ≤0.045 | |||
| Tensile strength: 375-460(Mpa) | |||||||
| Yield strength:235(Mpa) | |||||||
| Elongation:26 | |||||||
| Q355 | C | Mn | Si | S | P | V | |
| ≤0.20 | ≤1.70 | ≤0.55 | ≤0.040 | ≤0.040 | 0.02-0.15 | ||
| Tensile strength: 470-630(Mpa) | |||||||
| Yield strength:355(Mpa) | |||||||
| Elongation:21 | |||||||
Container loading:
Company introduction:
QINGDAO WANRUNDA IMP AND EXP CO.,LTD is a special and experienced steel supplier and exporter, can manufacture according to ASTM,JIS,DIN,API standard. We have exported to Australia, Doha, Sri Lanka, India, Turkey, Kyrgyzstan, Russia, Canada, Poland, Middle east countries and African countries, We got very good reputation from all our cooperative clients;
We mainly manufacture and sale various kinds of steel pipe, include Welded pipe/Galvanized steel pipe/Pre-Galvanized steel pipe/Square and Rectangular hollow section/Furniture pipe/Warmhouse booth pipe/stainless steel pipe etc ; Steel coil include Pre-Galvanized steel coil and stainless steel coil; Steel profile include Angle steel/Channel steel/Steel checkered plate/Square steel/C-channel steel etc. We also deal with assorted products, such as Flange/Steel hinge/Plastic pipe plug and cap etc.
| Normal dimension of steel pipe | |||||
| Square (SHS) | Rectangular(RHS) | Circle (CHS) | |||
| Out dia. (mm) |
Wall thickness (mm) |
Out dia. (mm) |
Wall thickness (mm) |
Out dia. (mm) |
Wall thickness (mm) |
| 10x10 | 0.5-1.0 | 10x20 | 0.6-1.0 | 10 | 0.5-1.0 |
| 12x12 | 0.5-1.0 | 12x25 | 0.6-1.0 | 12 | 0.6-1.0 |
| 16x16 | 0.6-1.2 | 20x40 | 0.6-1.6 | 16 | 0.6-1.0 |
| 19x19 | 0.6-1.5 | 25x50 | 0.8-2.75 | 19 | 0.6-1.5 |
| 20x20 | 0.6-1.6 | 30x50 | 0.8-3.0 | 20 | 0.6-1.5 |
| 25x25 | 0.8-2.75 | 30x60 | 0.8-3.0 | 21.5 | 0.6-1.5 |
| 30x30 | 0.8-2.75 | 40x60 | 1.0-4.0 | 25 | 0.8-2.75 |
| 32x32 | 1.0-3.0 | 40x80 | 1.5-4.0 | 27 | 0.8-2.75 |
| 38x38 | 1.0-3.0 | 50x75 | 1.5-4.0 | 32 | 0.8-3.0 |
| 40x40 | 1.0-3.5 | 50x100 | 2.0-6.0 | 38.1 | 1.0-3.0 |
| 50x50 | 1.0-5.0 | 50x125 | 2.0-6.0 | 42.5 | 1.0-3.5 |
| 60x60 | 1.0-6.0 | 50x150 | 3.0-6.0 | 48.4 | 1.0-5.0 |
| 63.5x63.5 | 1.0-6.0 | 60x80 | 1.5-6.0 | 50.8 | 1.0-5.0 |
| 70x70 | 1.5-6.0 | 60x100 | 2.0-6.0 | 63.5 | 1.0-6.0 |
| 75x75 | 1.5-6.0 | 60x120 | 2.0-6.0 | 68 | 1.2-6.0 |
| 80x80 | 2.0-6.0 | 75x100 | 2.0-6.0 | 70 | 1.2-6.0 |
| 90x90 | 2.0-6.0 | 75x125 | 2.0-6.0 | 73 | 1.4-6.0 |
| 100x100 | 2.3-6.0 | 75x150 | 3.0-6.0 | 76 | 1.4-6.0 |
| 120x120 | 3.0-6.0 | 80x120 | 2.0-6.0 | 80 | 2.0-6.0 |
| 125x125 | 3.0-6.0 | 80x160 | 3.0-6.0 | 89 | 2.0-6.0 |
| 150x150 | 3.5-8.0 | 100x150 | 4.0-12 | 90 | 2.0-6.0 |
| 200x200 | 4.0-12 | 100x175 | 4.0-12 | 95 | 2.0-6.0 |
| 250x250 | 5.0-12 | 100x200 | 4.0-12 | 100 | 2.3-6.0 |
| 300x300 | 5.0-14 | 150x200 | 4.0-12 | 102 | 2.3-6.0 |
| 350x350 | 6.0-14 | 150x250 | 4.0-14 | 108 | 2.3-6.0 |
| 400x400 | 6.0-18 | 150x300 | 5.0-16 | 110 | 2.3-6.0 |
| 500x500 | 8.0-20 | 200x300 | 5.0-16 | 114 | 2.3-6.0 |
| 600x600 | 8.0-20 | 200x400 | 6.0-16 | 133 | 3.0-6.0 |
| 300x500 | 6.0-20 | 140 | 3.0-8.0 | ||
| 400x600 | 8.0-20 | 152 | 3.0-8.0 | ||
| 165 | 3.0-8.0 | ||||
| 190 | 3.5-12 | ||||
| 200 | 4.0-12 | ||||
| 219 | 4.0-12 | ||||
| 273 | 4.0-14 | ||||
| 325 | 5.0-16 | ||||
| 377 | 5.0-16 | ||||
| 426 | 6.0-20 | ||||
| Qingdao Wanrunda Imp and Exp Co.,ltd is a special manufacturer and exporter for steel products. We mainly export Steel hollow section( SHS,RHS,CHS)/Galvanized steel pipe/ Pre-galvanized steel pipe/ Hot dip galvanized pipe/ Bright finished pipe/ furniture pipe/ Welded steel pipe/ Seamless steel pipe/ Spirale steel pipe/ Stainless steel tube. Galvainzed steel coil/Stainless steel coil/Angle steel/H beam/Channel beam/ C beam/Riffled sheet/Square bar etc |
About the Supplier
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Company Profile
QINGDAO WANRUNDA IMP AND EXP Co., Ltd locates at Qingdao city- The third big sea port in China. We are the first-level agent of several large steel mills. Operations include low-carbon steel, stainless steel, alloy steel and other steel products. For example, angle steel, steel pipe, steel plate, steel coil, section steel, etc.
In addition, we have our own processing equipment with metal processing capabilities, such as punching, bending, welding and other processing capabilities; We also provide surface treatment services such as galvanizing, electrostatic spraying, powder coating, painting and oiling.
We are special and experienced steel supplier and exporter, can manufacture according to ASTM, JIS, DIN, API standard. We have exported to Australia, Doha, Sri Lanka, India, Turkey, Kyrgyzstan, Russia, Canada, Poland, Middle East countries and African countries, We got very good reputation from all our cooperative clients;
For the last couple of years we focus only on one thing: How to make our customers work better. We think, we design, we apply different kind of accessories to your products and jobs, . Being a design and manufacturer with very different competent and manufacturing process, we have come up with many designs covering most of the mainstream metal products. We offer our design with competitive manufacturing process cost to support brands with attitudes and styles. Come talk to us.
We persevere both quality and service first, and will try our best to provide perfect service for old and new clients, we hope to build long-term cooperation with our clients and develop corporately.
QINGDAO WANRUNDA IMP AND EXP Co., Ltd
Mr. Paul ( General Manager)
About Our Factory & Business Background
- Address
- North Outer Ring Road, Jiaobei District, Jiaozhou City, Qingdao, Shandong, China
- Terms of Payment
- LC, T/T, Western Union, Small-amount payment
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Qingdao Port, Tianjin port, Shanghai Port
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2008-09-18
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the material grade of this square steel tube?
- The material is Q355B (also known as Q355/16Mn/St52), which has better anti-impact properties than Q235.
- What are the standard dimensions and thickness?
- Standard dimensions are 200mm x 200mm with a wall thickness of 6mm. Length is typically 5.85m or 6000mm.
- Can the size and length be customized?
- Yes, we accept fixed lengths and can customize dimensions according to your requirements.
- What is the minimum order quantity (MOQ)?
- The minimum order quantity is 10 metric tons (10MT).
- What is the delivery time for orders?
- Delivery is within 15-20 days after receiving the deposit.
- What payment terms are accepted?
- We accept T/T or L/C at sight.
- What is the warranty period for this product?
- We provide a 1-year warranty for this product.
- What is the surface treatment of the steel tube?
- The surface is treated with anti-rust oil, giving it a black appearance.
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