What makes 253 MA suitable for cyclic high-temperature service?

Its cerium and nitrogen additions form a highly adherent oxide scale that resists spalling under thermal cycling, unlike many standard heat-resistant grades.

Does Sakshi Forge provide Material Test Certificates (MTC) for the 253 MA Flange?

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

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253 MA Flange - Heat Resistant Austenitic Flange with Rare Earth Additions | Sakshi Forge

Quick Summary (AI Overview)

253 MA Flange (UNS S30815): Rare-earth cerium and nitrogen alloyed heat-resistant flange with non-spalling oxide scale up to 1150°C. Sizes 1/2" to 20" NB, Class 150-600.

253 MA (UNS S30815) is a heat-resistant austenitic stainless steel with nitrogen, cerium and silicon additions, giving high strength and outstanding oxidation resistance at elevated temperatures up to around 1150°C.

Key Features

Rare earth (cerium) and nitrogen additions

Outstanding oxidation resistance up to ~1150°C

High creep strength at elevated temperature

Good resistance to thermal cycling

Custom sizes, classes and face finishes

Technical Specifications

Product	253 MA Flange
Standard	ASME B16.5 / ASME B16.47
UNS No	S30815
Size Range	1/2" - 20" NB
Pressure Class	150 / 300 / 600 LBS
Flange Types	Weld Neck, Slip-On, Blind, Socket Weld
Face Type	RF / FF
Base Spec	ASTM A182 (equivalent grade)
Available Grades	UNS S30815

Target Application Industries

Furnace & Kiln EquipmentPower GenerationWaste Incineration

Applications & Service Areas

High Temperature Furnace PipingFlue Gas & Incinerator Systems

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 253 MA Flange.

Available in UNS S30815, size 1/2"-20" 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.

253 MA Flange - Heat Resistant Austenitic Flange with Rare Earth Additions | 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