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Bi Pipe
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Bi Pipe

Bi Pipe

B.I. Pipes are uncoated and the black color is from the iron-oxide made on its surface throughout the manufacturing process. It is commonly used to transport natural gas into homes and commercial buildings.
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Products Description

 

Black Annealed Steel Pipe are uncoated and the black color is from the iron-oxide made on its surface throughout the manufacturing process. It is commonly used to transport natural gas into homes and commercial buildings. The black iron pipe is made without a seam, making it durable and safer to carry gas. It is also utilized for fire sprinkler systems as it is more fire-resistant than galvanized pipe.

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Products Specifications

 

Size: SCH40 SCH20

Length: 5.8m 6m, 6.4m, 12m or Customize

Alloy or Not: Non-Alloy

Type: Black Annealed Tube

3/8"

10mm

1/2"

15mm

3/4"

20mm

1"

25mm

11/4"

32mm

11/2"

40mm

2"

50mm

21/2"

65mm

3"

80mm

4"

100mm

5"

125mm

6"

150mm

8"

200mm

10"

250mm

12"

300mm

14"

350mm

16"

400mm

18"

450mm

20"

500mm

24"

600mm

Products Details

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Better formability than regular welded pipes


✓ More affordable than cold-drawn alternatives


✓ Ready for secondary processing (bending, welding, coating)

 

 

Consistent black oxide finish provides:


• Temporary corrosion protection


• Better paint/powder coating adhesion


• Aesthetic appeal for visible applications

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Products Advantages

Superior Ductility

Annealing process significantly improves flexibility, allowing for excellent bending and forming capabilities without cracking.

Enhanced Workability

Softer material state enables easier cutting, welding and machining compared to non-annealed pipes.

Cost Efficiency

More economical than cold-finished pipes while maintaining good mechanical properties for many applications.

 

 

Packaging delivery

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Efficiency – Automated packaging processes ensure fast handling, even for bulk orders.

Shipping service: We offer fast shipping service to meet the demands of urgent orders.

Export packaging: Complies with international trade standards to ensure the safety of long-distance transportation

FAQ

Q1:What's your terms of payment?

A: 30%T/T as the upfront deposit, 70% before delivery, we will show you the photos and package before you pay the balance.
Q2:What's the terms of delivery?
A: EXW, FOB, CFR, CIF
Q3:What's the terms of packing?
A: Generally,we pack our goods in bundles or coils with rods or belts, we could also pack the goods as the customers' requirement.
Q4:What's your delivery time?
A: For stocks, we could transport the goods to loading port within 7 work days after we received the deposit.For production period, it usually takes about 15 days to 30 days after we received the deposit.
Q5:Could you produce according to the samples?
A: Yes, we can customer-made by your samples or technique drawings, we can build the mold and fixtures.
Q6:Could you provide the compliment samples?
A: Yes, we could provide the free samples on condition that it is available in stocks, however,
the transportation fee is borne by buyer.
Q7:How could you guarantee your products quality?
A: Each piece of products is manufactured by certified workshops, inspected by us piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.
Q8:Are you a factory?
A: TIANJIN BO YI DA IMPORT AND EXPORT CO., LTD is a large trading and manufacturing company.
BO YI DA Company is a modern production and exporting enterprise with professional experiences in international business.

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cooperative enterprise

We have exported to these countries and so on

Philippine

Vietnam

Indonesia

Algeria

 

Brazil

Chili

Mozambique

Togo

Ghana

Burkina Faso

South Africa

 

Uruguay

 

Our Service Processes

Phone/wechat/whatspp: 0086-15822491526

Pre-sales Consultancy

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Confirmation of order

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Production

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Multi-Channel Shipping

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Confirmation of recei

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After-sale Services

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Contact now

 

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