China Black Square Steel Pipe Seamless, Black Iron Square Tube, Galvanized Square Tube

• Customization: Available
• After-sales Service: Bending, Welding, Decoiling, Cutting, Punching
• Warranty: 720 Days
• Model NO.: square steel
• Standard: AISI, JIS, ASTM, DIN, BS, GB
• Certification: ABS, RoHS
• Technique: Hot Rolled
• Wall Thickness: Customized
• Surface Treatment: Color Coated
• Alloy: Non-alloy
• Type: Seamless
• Material: Carbon Steel
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automob
• Temperature Classification: High Temperature Piping
• Connection Type: Seamless
• Outer Diameter: 20mm~1200mm
• Length: as Required Length by Client
• Specification: Customized Size
• Trademark: Xinbaolong
• Origin: Shandong
• HS Code: 7304511090
• Production Capacity: 60000 Tons/Year

Product Description

Product Description

Product Name	Steel Pipe/Tube/Piping/Tubing
Material	Stainless Steel/Carbon Steel/Alloy Steel/Nickel Alloy/Copper Alloy/Titanium Alloy
Product Type and Technique	Seamless Pipe:
	Hot Rolled/Cold Drawn/Cold Rolled/Extrusion
	Welded Pipe:
	ERW/SAW/EFW, etc.
Standards	ANSI, SAE, ASTM, AISI, JIS, GB, DIN, EN, BS, GOST, ISO, etc.
Section Shape	Standard: Round, Square, Rectangular
	Non-standard: Triangular, hexagonal, Octagonal, oval, etc.
Surface Treatment	Polished, galvanized, varnished, oiled, Antiseptical, copper coated, etc.
Surface Finish/Roughness	Polishing, Annealing, Pickling, Bright, Hairline, Mirror, Matte
	No.1, No.2D, No.2B, BA, No.3, No.4, No.6, No.7, No.8, etc.
Galvanized	HDG, Hot-Dip Galvanizing
	EG, Electro Galvanizing
Size	Round Pipe/Tube
	WT: 1mm-150mm(SCH10-XXS)
	OD: 6mm-2500mm (3/8"-100")
	Square Pipe/Tube
	WT: 1mm-150mm(SCH10-XXS)
	OD: 4mm*4mm-800mm*800mm
	Rectangular Pipe/Tube
	WT: 1mm-150mm(SCH10-XXS)
	OD: 6mm-2500mm (3/8"-100")
Length	4000mm,5800mm,6000mm,12000mm,or as required.
Tolerance	a) Outer Diameter: +/-0.2mm
	b) Thickness: +/- 10% OR as customer request
	c) Length: +/- 10mm
Customization	Our company proudly offers comprehensive customization services. Beyond the material grades mentioned in the table above, we also cater to unique and lesser-known metal materials. We welcome you to reach out for further discussions and collaborations.
Pipe Ends	Plain End (PE), Beveled End (BE), Threaded End (TE), Grooved, Bell End, Tapered, Expanded.
Application	Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling Pipe,  Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, etc.
Certification	GB/T19001-2016/SO9001:2015
	GB/T24001-2016/SO14001:2015
	GB/T 45001-2020/ISO 45001:2018
Keyword	seamless steel pipe; welded steel pipe; stainless steel pipe; carbon steel pipe; alloy steel pipe; nickel alloy pipe; copper alloy pipe, titanium alloy pipe
Price and payment terms	FOB, CIF, CFR, L/C or T/T (30% Prepayment)
Container size	20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)   24-26CBM
	40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)   54CBM
	40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High)    68CBM

Product Disaply

Product Description

These pipes are crafted from premium steel, providing unmatched durability and resistance to deformation under pressure. Their square and rectangular shapes allow for more efficient space utilization and easier connection points, making them ideal for construction, frameworks, and architectural applications. With excellent resistance to corrosion and wear, pipes ensure long-lasting performance in even the harshest conditions. Additionally, their uniformity in size and shape guarantees consistent quality and ease of installation. Choose XinBaoLong for steel pipes that combine functionality with innovative design, enhancing the strength and aesthetics of your structures.

About us
SHANDONG  XinBaoLong CO., LTD. is an experienced steel product manufacturer. The company is located in Shandong, one of the most important production bases for carbon steel plates and steel pipes in China. The monthly output is at least 10000 tons, and the factory covers an area of 50000 square meters, equipped with advanced computer control automation systems. Our main products include seamless steel pipes, carbon steel pipes, precision pipes, honing pipes, carbon steel plates/coils, galvanized steel pipes, profiles, steel bars, galvanized sheet coils, and various other products. The entire set of mechanical equipment is imported from Japan and Germany, with mechanical processing equipment such as cutting, drilling, and laser processing. It can produce pipes and plates of various widths and lengths, and can cut, sell, and process for customers. The company's products have good quality, low prices, and fast delivery, ensuring the stability of product quality. Widely used in lighting, solar reflectors, building exterior, interior decoration, suspended ceilings, walls, furniture, elevators, signage, automotive interior and exterior decoration, mechanical component processing, mold manufacturing, chemical/insulation pipeline coating, high-quality ships and other industries. We firmly believe that "quality is the core of the company's sustained strength". We will establish a stable, long-term, and win-win cooperative relationship with our customers and persist in it. Keep in mind the corporate motto of "survival with quality, development with technology, and going global with integrity". Committed to providing high-quality products and personalized services; Adhere to the high-quality strategy.
Our Services

1. We have multiple automatic production lines. We can make sure the timely delivery.

2. We offers high-quality products at reasonable prices. We provide professional services to each customer based on their needs.

3. All of our products are produce by our professional workman and we have our high work effect foreign trade team, you can totally believe our service.

4. We have many years experience for export, we cherish every order from our honor.
Packing&Shipping
1) All standard steel products are stocked, timely shipping as per clients request. 
2) Lead time generally about 15-30 working days after receiving the deposit. 
3) Standard export package, suit for all kinds of transport, or as required. 
4) If special requirements, may need longer delivery time.
FAQ

1. Q:Are you trading company or manufacturer?

A: We are professional manufacturer for steel pipes,and our company also is a very protessional and technical foreign trade company for steel products. We have more export expenence with compettive price and best after-sales service Apart from this,we can provide a wide range of steel products to meet the requirement of customer.

2. Q:Can you send samples?

A:Of course, we can send samples to all parts of the world, our samples are free, but customers need to bear the courier costs.

3. Q:About product prices?

A:Prices vary from period to period due to cyclical changes in the price of raw materials.

4. Q:How long does your delivery time take?

A:In general, our delivery time is within 7-25 days, and may be delayed if the demand isextremely large or special circumstances occur.

5. Q:Does the product have quality inspection before loading?

A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.