Wuxi Factory Ss Mild Welded Seamless Pipe 201 304 316 Q235 904L A106 Uns S32750 C276 Carbon Nickel Stainless Steel Pipe Black Galvanized Square Steel Pipe

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Product Description

Basic Product Information
Model NO.
201 304 316 Q235 904L A106 UNS S32750 C276
Type
Seamless
Technique
Hot Rolled
Material
Stainless Steel
Surface Treatment
Varnishing
Section Shape
Round
Standard
ASTM/AISI/GB/JIS/DIN/En
Origin
Jiangsu
HS Code
73044190
Capacity
300000ton/Year
Stainless Steel Pipe Overview
Stainless Steel Pipe Specifications
Category Standard & Application Details
Food Grade Sanitary JIS G3447, KS D 3585, ASTM A270, EN 10357, AS 1528.1, ISO 2037
Heat Exchanger ASTM A249 / ASME SA249, GB / T 24593-2009, HG 20537.2
Industrial Pipe ASTM A312, EN 10217-7, GB / T 12771-2008, HG 20537.3
Mechanical Tube ASTM A554, EN 10296-2
Size Range OD: 9.5~2000mm | Thickness: 0.5~20mm | Length: Up to 18.3 meters
Available Shapes Round, square, rectangular
Detailed Product Photos
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ASTM A268 Standard Information
ASTM A268 Standard Specification

ASTM A268 covers seamless and welded ferritic and martensitic stainless steel pipes for general use. Grades include TP410, TP405, TP420, TP430, TP430Ti, TP403, TP409, TP444, TP439, and TP446. These pipes are utilized for general corrosion resistance and high-temperature services.

StandardASTM A268, ASME SA268
Tube TypeBoth Welded And Seamless
GradesTP 410, TP 430, TP 439
Outside Diameter1/4″ (6.25mm) To 8″ (203mm)
Wall Thickness0.02″ (0.5mm) To 0.5″ (12mm)
ApplicationHeat Exchanger, Heater, Condenser
Industrial Applications
Application Gallery

Our products serve a wide range of industries including petroleum delivery, gas delivery, petrochemical industry, wastewater treatment, drainage systems, food processing, and architectural railings.

Product Quality Features
Quality Features
  • Bright annealing treatment with internal weld bead removal and precise polishing (roughness < 0.3μm).
  • Comprehensive Non-Destructive Testing (NDT) including online eddy current and hydraulic inspection.
  • High-quality thick welding with excellent mechanical properties and aesthetic appearance.
  • Certified by AD 2000-W0, PED 2014/68/EU, and ISO 9001:2015.
  • Full material traceability guaranteed throughout the entire manufacturing process.
  • Tubes feature a smooth, clean, and crevice-free internal bore.
Frequently Asked Questions
What types of stainless steel materials are available?
We offer a wide variety of grades including 201, 304, 316, 904L, TP410, TP430, and specialized duplex or high-nickel alloys like UNS S32750 and C276.
What are the primary applications for your seamless pipes?
Our pipes are used in pipeline transport, boiler systems, hydraulic/automobile components, oil/gas drilling, food processing, and chemical industries.
Can the pipe dimensions be customized?
Yes, we offer outer diameters from 9.5mm to 2000mm and wall thicknesses from 0.5mm to 20mm. Lengths can be customized up to 18.3 meters per piece.
What quality certifications do your products hold?
Our manufacturing process and products are certified by ISO 9001:2015, PED 2014/68/EU, and AD 2000-W0 standards.
What surface treatments are provided?
Standard treatments include bright annealing, precise polishing for low roughness, and varnishing depending on the end-use requirement.
How is the quality of the internal bore ensured?
Tubes are processed to ensure a smooth, clean, and crevice-free bore, which is critical for sanitary and high-performance industrial applications.

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