Why is Duplex 2101 called "lean"?

It substitutes costly nickel with manganese and nitrogen, reducing alloy cost while still delivering strength and corrosion resistance competitive with standard austenitic grades.

Does Sakshi Forge provide Material Test Certificates (MTC) for the Lean Duplex 2101 Flange?

Yes, MTC as per EN 10204 3.1 is provided with every dispatch along with PMI test reports.

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Lean Duplex 2101 Flange - Economical Duplex Stainless Steel Flange | Sakshi Forge

Quick Summary (AI Overview)

Lean Duplex 2101 Flange (UNS S32101): Low-nickel manganese-nitrogen alloyed duplex flange offering high yield strength at competitive pricing. Sizes 1/2" to 24" NB, Class 150-600.

Lean Duplex 2101 (UNS S32101) is a low-nickel duplex stainless steel that replaces nickel with manganese and nitrogen, offering strength and corrosion resistance close to standard austenitic 304/316 grades at reduced material cost.

Key Features

Low-nickel, manganese-nitrogen alloyed duplex

High strength versus standard austenitic grades

Good general corrosion resistance

Cost-effective duplex alternative

Custom sizes, classes and face finishes

Technical Specifications

Product	Lean Duplex 2101 Flange
Standard	ASME B16.5 / ASME B16.47
UNS No	S32101
Size Range	1/2" - 24" NB
Pressure Class	150 / 300 / 600 LBS
Flange Types	Weld Neck, Slip-On, Blind, Socket Weld
Face Type	RF / RTJ
Base Spec	ASTM A182 (UNS S32101)
Available Grades	UNS S32101

Target Application Industries

Structural EngineeringWater TreatmentTransportationTanks & Vessels

Applications & Service Areas

Structural & Storage ApplicationsWater & Wastewater Piping

Quick Quotation

Request Price & Specs

MTC EN 10204 3.1 & Inspection provided

Pan-India & global sea-freight dispatch

Custom dimensions/drawings supported

Response time: Less than 2 hours

Frequently Asked Questions

Read commonly asked questions about specifying and ordering Lean Duplex 2101 Flange.

Available in UNS S32101, size 1/2"-24" NB, pressure class 150-600 LBS, in Weld Neck, Slip-On, Blind and Socket Weld types.

Partner with Sakshi Forge for Reliable Industrial Steel Solutions

Delivering precision-engineered flanges, pipes, and forged steel components designed for strength, durability, and performance in critical high-pressure industrial applications.

Lean Duplex 2101 Flange - Economical Duplex Stainless Steel Flange | Sakshi Forge

Key Features

Technical Specifications

Target Application Industries

Applications & Service Areas

Request Price & Specs

Frequently Asked Questions

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Partner with Sakshi Forge for Reliable Industrial Steel Solutions