Dear Mr. Karthikeyan
Answer should be A) Weldability aspects
Mr. Sharma's explanations give the justification for that answer. There is no doubt that cold crack is a result of increase in carbon content, but i think primary reason for CE is weldability aspect
Please also refer to the following as given in one of the "pdf file-Sample questions and answers for IWP" that was forwarded by you in response to some other thread.
3.2 What is meant by the "carbon equivalent" of a commercial steel? 5 marks (Ref: 2.6)
The carbon equivalent is a calculation used to determine the weldability of a low alloy steel
compared to the weldability of plain carbon steel3.2 What is meant by the "carbon equivalent" of a commercial steel? 5 marks (Ref: 2.6)
The carbon equivalent is a calculation used to determine the weldability of a low alloy steel
compared to the weldability of plain carbon steel.
The carbon equivalent is a calculation used to determine the weldability of a low alloy steel
compared to the weldability of plain carbon steel3.2 What is meant by the "carbon equivalent" of a commercial steel? 5 marks (Ref: 2.6)
The carbon equivalent is a calculation used to determine the weldability of a low alloy steel
compared to the weldability of plain carbon steel.
Thanks
Murugesan
On Tue, Jun 21, 2011 at 5:03 PM, Karthik <karthik6684@yahoo.com> wrote:
Dear All,
The CE % was mistyped as 0.04%..it shall be read as 0.40% as revised below.A carbon equivalency of 0.40% and above gives a greater risk of cracking.
CARBON EQUIVALENCY
Carbon equivalency (C.E.) is used to give an overall carbon percentage to estimate the risk of cracking. The higher the carbon content; the harder the steel - the more susceptible it is to cracking.
--- On Mon, 6/20/11, Karthik <karthik6684@yahoo.com> wrote:
Thanks & Regards,(Karthik)Karthikeyan.SQA/QC ManagerGetabec Energy Co.,Ltd.379,Moo6,Soi8,Nikhomphatana,Rayong-21180,Thailand.Phone: 0066 38 897035-8 (Off)Fax: 0066 38 897034Hand Phone: 0066 892512282
From: Karthik <karthik6684@yahoo.com>Date: Monday, June 20, 2011, 8:33 AM
Subject: Re: [MW:11385] Correct Answer need
Answer is - (b)...Justification is given below.
CARBON EQUIVALENCY
Carbon equivalency (C.E.) is used to give an overall carbon percentage to estimate the risk of cracking. The higher the carbon content; the harder the steel - the more susceptible it is to cracking.
A carbon equivalency of 0.04% and above gives a greater risk of cracking.
Thanks & Regards,(Karthik)Karthikeyan.SQA/QC ManagerGetabec Energy Co.,Ltd.379,Moo6,Soi8,Nikhomphatana,Rayong-21180,Thailand.Phone: 0066 38 897035-8 (Off)Fax: 0066 38 897034Hand Phone: 0066 892512282
--- On Sun, 6/19/11, Nandesh Kumar <nandeshkumar@rocketmail.com> wrote:
Date: Sunday, June 19, 2011, 9:42 PM
From: javed iqbal <jvd_qbl@yahoo.com>
Subject: [MW:11379] Correct Answer need
To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
Date: Sunday, 19 June, 2011, 8:41 AM--Dear all,Nedd answer of followin detail.ThanksJavedCarbon equivalent values are useful to determine:(a) Weldability aspects(b) Crack sensitivity aspects(c) Typical mechanical properties(d) All of the above
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding+unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
--
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding+unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
--
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding+unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
--
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding+unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
No comments:
Post a Comment