ASTM A36 Schedule 40 Black Steel Pipe Welded Square Hollow Section 40X40X1.5
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Product Highlights
- Customizable Sizes: Sizes range from 15*20mm to 300*200mm, with other sizes available upon customization.
- Versatile Surface Treatments: Options include black painted, oil anti-rust, galvanized, FBE, 3PE, PE, or as requested.
- Multiple Welding Technologies: Available in Electronic Resistance Welded (ERW), Electronic Fusion Welded (EFW), and DSAW.
- Fast Delivery: 5-10 days for stock items, 10-15 days for non-stock items.
- Wide Material Selection: Includes A36, 15CrMo, 20#, A106, A53, St37, St52, S355, and Q345.
- Comprehensive After-Sales Service: Services cover bending, welding, cutting, and decoiling.
- Multiple Certification Standards: Certified under ABS, RoHS, UL, AISI, JIS, ASTM, DIN, and GB standards.
- Flexible Trade Terms: Supports FOB, CFR, CIF, EXW, and various payment methods like T/T and L/C.
Product Attributes
- After-sales Service
- Bending,Welding,Cutting,Decoiling
- Standard
- AISI, JIS, ASTM, DIN, GB
- Certification
- ABS, RoHS
- Technique
- Cold Drawn
- Wall Thickness
- Thick
- Surface Treatment
- Black Varnished, Bare, PE Coated or as Required
- Alloy
- Non-alloy
- Application
- Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pip
- Transport Package
- Standard Packing
- Trademark
- zhongding
- Origin
- China
- Production Capacity
- 2000tonnes Per Week
Product Images of ASTM A36 Schedule 40 Black Steel Pipe Welded Square Hollow Section 40X40X1.5
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Product Description

Carbon steel pipe is divided into hot rolled and cold rolled two types.
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Product Name
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black painted welded square and rectangular steel tube pipe
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Standard
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Q195 / Q235 / Q345 (A/B/C/D) ST37 / ST52 / ST37-2 S185/S235JR/S235JO/E295/S355JRH ASTM A106A / ASTM A106C API 5L, API 5CT, API N80, API P110 |
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Material
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a36 15CrMo 20# a106 a53 gr.b St37.0 St44.0 St55 St52.0 Ck45 S355 Q345A
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Size
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15*20mm - 300*200mm (other sizes sall be customized)
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Surface
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1.Black painted
2.oil anti-rust
3.Galvanized
4.FBE;3PE,PE
5.or as customer request
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Technology
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1.Electronic Resistance Welded (ERW )
2. Electronic Fusion Welded (EFW)
3. Double Submerged Arc Welded (DSAW) |
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Pipe ends
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plian,beveled
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Application
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For manufacture of pipelines, vessels, equipment, pipe fitting and steel structure.
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Package
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Standard export sea-worthy packing or customized.
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Delivery Time
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5-10 days if goods in stock,10-15 days if goods not in stock.
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Trade terms
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FOB, CFR, CIF, EXW, etc.
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Payment
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T/T L/C Western union etc
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About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASR253077". Items marked "" are certified.
Company Profile
ZHEJIANG ZHONG DING IRON AND STEEL Co., Ltd is a large-scale enterprise integrating production, sales and trade. The company now has 8 hot-rolling piercing production lines and 30 cold-rolling unit production lines, with a production range of 10mm-219mm, wall thickness 0.5mm-22mm, tolerance range of +-2 wire precision steel pipes, and an annual inventory of more than 8, 000 tons of precision bright tubes; Advanced There are 6 double-sided submerged arc welded spiral steel pipe production lines, which can produce double-sided submerged arc welded spiral steel pipes with a diameter of 219-3620mm and a wall thickness of 6-30mm. The annual production of spiral pipes is more than 200, 000 tons and is trusted by the majority of the industry.
ZHONG DING STEEL's sales varieties include: Stainless steel plates, stainless steel pipes, stainless steel rods, seamless steel pipes, thick-walled steel pipes, oxygen blowing pipes, longitudinally welded pipes, color steel plates, C-shaped steels, spiral pipes, galvanized pipes, cold drawn flat steels, Strip steel, cold-rolled strip steel, steel plate, round steel, angle channel steel, rail steel, etc., with complete varieties, one-stop purchasing unit.
We always adhere to the business philosophy of "integrity management, customer first", and strive to achieve the best products, the best quality, the lowest price, and the most complete service to thank new and old customers. The sales network has now spread all over the country. All my colleagues in the company warmly welcome new and old friends to visit, patronize, and guide, let us work together to create brilliant!
About Our Factory & Business Background
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Business Type
- Trading Company
- Address
- Baolong Commercial Plaza, Zhonghe Street, Yinzhou District, Ningbo, Zhejiang, China
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Number of Employees
- 14
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Registered Capital
- 16,880,000 RMB
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Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
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International Commercial Terms(Incoterms)
- FOB, EXW
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Average Lead Time
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Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port
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Minimum Order Quantity
- 1 Ton
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Supply Chain Partners
- 47
Our Production Capability & Technical Expertise
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Main Products
- Seamless Steel Pipe, Welded Steel Pipe, Carbon steel sheet, Carbon Steel Coil, Decking sheet, Steel Beam, Steel round bar, Steel Square pipe, Steel Rail, Stainless steel pipe/Strips/Coil/Bar/Plate
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Customization Options
- Customization from Samples
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R&D Engineers
- 1 people
Our Industry Experience & Global Business Record
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Year of Establishment
- 2020-10-23
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Export Year
- 4 Years
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Main Markets
- Southeast Asia/ Mideast
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Repeat Buyers Choice
- 80%~100%
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Number of Foreign Trading Staff
- 8
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Overseas Agent/Branch
- No
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New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
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Cooperated with Fortune 500
- No
FAQ
- What is the minimum order quantity?
- The minimum order quantity is 1 Ton.
- Can the pipe sizes be customized?
- Yes, sizes range from 15*20mm to 300*200mm, and other sizes can be customized.
- What are the available surface treatments?
- Options include black painted, oil anti-rust, galvanized, FBE, 3PE, PE, or as per customer request.
- What is the delivery time?
- Delivery takes 5-10 days if goods are in stock, and 10-15 days if goods are not in stock.
- What materials are available for this pipe?
- Available materials include A36, 15CrMo, 20#, A106, A53, St37, St52, S355, and Q345.
- What certifications does the product have?
- The product meets ABS, RoHS, UL, AISI, JIS, ASTM, DIN, and GB standards.
- What payment methods are accepted?
- Accepted payment methods include T/T, L/C, D/P, PayPal, Western Union, and small-amount payments.
- Does the company offer customization services?
- Yes, customization is available from samples, including surface treatment and size.
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