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1.4301 Diameter 50.8mm Welding Stainless Steel Pipes DIN17457

2026-03-20

1.4301 Stainless Steel Welded Pipe Ø50.8mm DIN17457 - Precision Tubing for Industrial and Sanitary Applications

Product Introduction

The 1.4301 Stainless Steel Welded Pipe, manufactured according to DIN 17457, is a premium-grade austenitic stainless steel tube with a 50.8 mm outer diameter (2 inches). Produced by Wuxi Korer Stainless Steel Co., Ltd., this pipe is designed for industrial, mechanical, and sanitary piping systems that demand corrosion resistance, high strength, and long-term reliability. With advanced TIG welding and bright annealing technology, the pipe ensures exceptional weld integrity, smooth surface finish, and dimensional accuracy.

Applications

Heat exchangers, condensers, and evaporators in power and chemical industries
Food, beverage, and pharmaceutical processing equipment
Pipeline systems for fluid and gas transportation
Machinery, marine, and automotive components
Construction and structural stainless steel frameworks

Advantages

Excellent corrosion resistance in acidic and neutral environments
High mechanical strength with reliable weld quality
Smooth inner surface ensures hygienic flow and easy cleaning
Complies with DIN 17457, meeting European industrial standards
Suitable for precision fabrication and custom applications

Material Composition (1.4301 / AISI 304)

Element	Content (%)
Chromium (Cr)	17.5 - 19.5
Nickel (Ni)	8.0 - 10.5
Carbon (C)	≤ 0.07
Manganese (Mn)	≤ 2.0
Silicon (Si)	≤ 1.0
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.03

Technical Specifications

Parameter	Value
Standard	DIN 17457
Material Grade	1.4301 (AISI 304)
Outer Diameter	50.8 mm (2")
Wall Thickness	0.5 - 3.0 mm
Length	Up to 12 meters
Surface Finish	Bright annealed / pickled / polished
Type	Welded stainless steel pipe

Manufacturing Process

Raw Material Inspection → Slitting & Forming → TIG Welding → Heat Treatment (Solution Annealing) → Straightening → Pickling / Polishing → Non-Destructive Testing (Eddy Current / Ultrasonic) → Dimensional Inspection → Packaging & Shipping.

FAQ

Q1: What are the benefits of DIN 17457 standard pipes?

A: It ensures high-quality welded pipes with consistent mechanical and chemical properties suitable for pressure and structural use.

Q2: Can 1.4301 be used for marine applications?

A: It is suitable for mild marine conditions, but 316L is better for strong chloride environments.

Q3: Are customized lengths and surface finishes available?

A: Yes, customization for OD, thickness, and finish is available on request.

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1.4301 Diameter 50.8mm Welding Stainless Steel Pipes DIN17457

1.4301 Diameter 50.8mm Welding Stainless Steel Pipes DIN17457