LEAN DUPLEX STAINLESS STEEL

Alloy 2101

Alloy 2101 is listed in the LEAN DUPLEX STAINLESS STEEL material family. The reference data below should be checked against the governing product specification, product form and delivery condition before selection or certification.

Alloy 2101
MATERIAL INTRODUCTION

Alloy 2101

The reference chemistry table for Alloy 2101 lists Carbon (C): 0.04% Max; Manganese (Mn): 4.00 – 6.00%; Phosphorus (P): 0.04% Max; Sulfur (S): 0.03% Max. Confirm exact limits and analysis tolerances against the governing standard and product form.

The mechanical-property table for Alloy 2101 lists Tensile Strength: 650 Minimum MPa; Yield Strength: 450 Minimum MPa; Elongation: 30 Minimum %; Hardness: 290 Maximum BHN. These are reference entries; supplied condition, dimensions, test method and governing specification control the requirements, and the figures are not design allowables.

Werkstoff / EN cross-reference for Alloy 2101: 1.4162. This comparison does not guarantee interchangeability; confirm chemistry, product form and condition against the governing specification.

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TECHNICAL INFORMATION

Material Identification

Standard identification and material designation information for Alloy 2101.

Material Alloy 2101
UNS Number S32101
Werkstoff Number 1.4162
Material Type Lean Duplex Stainless Steel
MATERIAL PROPERTIES

Chemical Composition

The reference chemistry table lists Carbon (C): 0.04% Max; Manganese (Mn): 4.00 – 6.00%; Phosphorus (P): 0.04% Max; Sulfur (S): 0.03% Max. Confirm the governing standard, product analysis tolerances and product form before ordering.

Element Symbol Composition
Carbon C 0.04% Max
Manganese Mn 4.00 – 6.00%
Phosphorus P 0.04% Max
Sulfur S 0.03% Max
Silicon Si 1.00% Max
Chromium Cr 21.00 – 22.00%
Nickel Ni 1.35 – 1.70%
Molybdenum Mo 0.10 – 0.80%
Nitrogen N 0.20 – 0.25%
Copper Cu 0.10 – 0.80%
Iron Fe Balance
PERFORMANCE DATA

Mechanical Properties

The table reports Tensile Strength: 650 Minimum MPa; Yield Strength: 450 Minimum MPa; Elongation: 30 Minimum %; Hardness: 290 Maximum BHN as reference data for Alloy 2101. Actual requirements depend on condition, dimensions, test method and specification; these values are not design allowables.

Property Value Unit
Tensile Strength 650 Minimum MPa
Yield Strength 450 Minimum MPa
Elongation 30 Minimum %
Hardness 290 Maximum BHN
MATERIAL DATA

Physical Properties

Density 7.8 g/cm³
Elastic Modulus 200 GPa
Thermal Conductivity Approx. 15 W/m·K
Specific Heat Approx. 500 J/kg·K
Electrical Resistivity Approx. 0.80 µΩ·m
WHY SELECT THIS MATERIAL

Material Characteristics

Alloy 2101 provides a combination of high mechanical strength, corrosion resistance and good fabrication characteristics.

01

High Mechanical Strength

Provides significantly higher strength than many conventional austenitic stainless steels.

02

Good Corrosion Resistance

Offers reliable corrosion resistance in many industrial and general-purpose environments.

03

Stress Corrosion Resistance

The duplex microstructure provides improved resistance to stress corrosion cracking compared with many austenitic grades.

04

Good Weldability

Can be fabricated and welded using appropriate procedures for duplex stainless steels.

Alloy 2101 Bolting Products

INDUSTRIAL USE

Typical Applications

Alloy 2101 is selected for applications requiring high strength, corrosion resistance and reliable material performance.

01

Storage Tanks

Tanks for potable water, sewage water, food products and industrial liquids.

02

Infrastructure

Bridges, structural components and other demanding infrastructure applications.

03

Chemical Processing

Equipment and components exposed to demanding industrial environments.

04

Oil & Gas

Industrial equipment requiring high mechanical strength and corrosion resistance.

ENGINEERING GUIDE

Engineering Considerations

Corrosion Environment

Consider chloride concentration, temperature and chemical exposure when selecting Alloy 2101 for a particular application.

Fabrication

Appropriate forming and welding procedures should be used to maintain the duplex microstructure and material performance.

Mechanical Requirements

Alloy 2101 offers high mechanical strength, which can allow reduced material thickness in suitable engineering applications.

COMMON QUESTIONS

Frequently Asked Questions

What is the Werkstoff number for Alloy 2101?

The commonly listed Werkstoff / EN cross-reference for Alloy 2101 is 1.4162. Treat this as a grade comparison, not a guarantee of interchangeability. Verify chemistry, product form, condition and governing specification against the supplier certificate before substitution.

What are the main advantages of Alloy 2101?

Its main advantages include high mechanical strength, good corrosion resistance, stress corrosion cracking resistance and good weldability.

Where is Alloy 2101 used?

It is used in storage tanks, infrastructure, chemical processing, oil and gas equipment and other demanding industrial applications.

ENGINEERING SUPPORT

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