RE: [MW:32881] Ferritic Steel

All Carbon &  Low Alloy Steels are Ferritic Steels. They can harden subject to the heat treatment and cooling rate. However, the term "Hardening" does not apply for BPV equipment & piping as the steels used for these components are fairly low carbon and well manufactured with a lot of quality norms. Hardening is more pronounced for steels with higher C Content, typically > 0.30 %.

 

Ferritic Stainless steels are not amenable to hardening following heat treatment. They only can be annealed. Read these  articles for general  introduction: 3.7.2 Heat Treating Stainless Steel | Forging Industry Association.

An overview of austenitic and ferritic stainless steels (thefabricator.com).

 

Thanks.

 

Pradip Goswami.P.Eng, IWE.

Independent Welding & Metallurgical Engineering Specialist

Consultant: SNC Lavalin Inc. (Nuclear &Non-Nuclear)

Saudi Aramco Approved Designated Project Welding Engineer (DPWR)

Qatar Petroleum Approved, SME-Materials & Corrosion Engineering.

Linkedin: https://www.linkedin.com/in/pradip-goswami-2999855/

Email:pgoswami@rogers.com,pradip.goswami@gmail.com

Cell/Whasapp:1-905-9793232

 

From: materials-welding@googlegroups.com <materials-welding@googlegroups.com> On Behalf Of Jenish Mistry
Sent: February 16, 2022 5:35 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:32875] Ferritic Steel

 

Dear sir,

 

Why it cannot hardened by heat treatment?

 

By which process it can hardened ??

 

 

On Wed, Feb 16, 2022 at 1:00 PM Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:

Less Carbon, High Chrome and some small  addition of alloying elements Nb, Ni etc.

U cannot hardened by heat treatment

THANKS & BEST REGARDS,

KG.PANDITHAN, BE, IWE,  CSWIP 3.1,

ISO 9712 Level 2 in VT,

ASNT-Level II in PT,MT,RT & UT,

LA ISO 9001-2015,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

 

 

On Wed, Feb 16, 2022 at 8:52 AM SN <suryawanshinileshj@gmail.com> wrote:

Dear all,

 

What is the exact definition of ferritic steel as per ASME or ASTM or EN standard.

 

Kindly clarify

 

Regards 

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Thanks for your best support.

 

Regards,

Jenish Mistry

09033476117

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