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Home > Large Diameter Steel Pipes > Q235 Black 20# 45# 16mn Large Diameter Spiral Welded Steel Pipe
Q235 Black 20# 45# 16mn Large Diameter Spiral Welded Steel Pipe
Q235 Black 20# 45# 16mn Large Diameter Spiral Welded Steel Pipe
Q235 Black 20# 45# 16mn Large Diameter Spiral Welded Steel Pipe
Q235 Black 20# 45# 16mn Large Diameter Spiral Welded Steel Pipe
Q235 Black 20# 45# 16mn Large Diameter Spiral Welded Steel Pipe
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Q235 Black 20# 45# 16mn Large Diameter Spiral Welded Steel Pipe
Q235 Black 20# 45# 16mn Large Diameter Spiral Welded Steel Pipe
Q235 Black 20# 45# 16mn Large Diameter Spiral Welded Steel Pipe
Q235 Black 20# 45# 16mn Large Diameter Spiral Welded Steel Pipe
Q235 Black 20# 45# 16mn Large Diameter Spiral Welded Steel Pipe

Q235 Black 20# 45# 16mn Large Diameter Spiral Welded Steel Pipe

Customization: Available
Type: Seamless
Technique: Hot Rolled
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Product Description

■ Basic Info.
Material
Carbon Steel
Surface Treatment
Black
Section Shape
Round
Origin
China
Production Capacity
200,000 Tons/Year
Transport Package
Export Standard Packing
Usage:
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
■ Product Specification
✓ Size Range: 1/8 inch - 6 inch
✓ Thickness: SCH10 - SCH160
✓ Technique: Hot Rolled
✓ Surface Treatment: Oil coating, black painting
✓ Application: Fluid transmission, structural use, mechanical & engineering, ship building, pressure vessels, oil & gas pipelines, etc.
✓ Packing: Bundles tied with steel strips, bare surface or varnish, end plastic caps.
■ Technical Parameters
Category Type Specifications
Size (Outer Diameter) ERW OD 1/2 Inch - 26 inch
SSAW OD 219mm - 2540mm
LSAW OD 457.2mm - 1422.2mm
Seamless OD 21.3mm - 710mm
Thickness ERW 1mm - 18mm
SSAW 5.4mm - 25.4mm
LSAW 7.92mm - 50.8mm
Seamless 3mm - 45mm
Material Grade GR. B, X42, X46, X52, X56, X60, X65, X70, X80, etc.
Standards API 5L PLS 1 & PLS 2, A53, A106, A333, A671, A179, A192, A210, EN10217, EN10219, etc.
Testing Hydraulic Testing, Ultrasonic Testing, X-ray Test
■ Product Showcase & Facilities
Carbon Steel Pipe Product Showcase
Product Showcase
Welded Carbon Steel Pipe Facility
Welded Pipe Facility
Seamless Carbon Steel Pipe Workshop
Seamless Pipe Workshop
Carbon Steel Pipe Quality Control
Quality Control
Welded Carbon Steel Pipe Packing
Packing & Transportation
? Frequently Asked Questions
1. What materials are used for these pipes?
The pipes are manufactured using high-quality Carbon Steel, including grades such as GR.B, X42, X46, X52, X60, and more to meet various industrial needs.
2. What is the available size and thickness range?
Our size range spans from 1/8 inch to 6 inch for general specs, with outer diameters for specific types ranging up to 2540mm (SSAW). Thickness ranges from SCH10 to SCH160.
3. Which industrial standards do your pipes follow?
We comply with international standards including API 5L (PLS 1 & PLS 2), ASTM A53, A106, A179, EN10217, and JIS G3444 among others.
4. What surface treatments can be applied?
We offer several options including bare surface, oil coating, black painting, varnish coating, and anti-corrosion coating to prevent rust.
5. How do you ensure the quality of the steel pipes?
Every pipe undergoes rigorous inspection, including Hydraulic Testing, Ultrasonic Testing, or X-ray Tests to ensure structural integrity and compliance.
6. What are the typical applications for these carbon steel pipes?
They are widely used for fluid transmission (water, gas, oil), boiler systems, construction, mechanical engineering, and pressure vessels.

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