Friday, March 15, 2024

[MW:34820] RE: 34813] Clarification in Rate of heating and cooling.

Hello,

 

Please see the response below.

 

Regards.

 

P. Goswami, P. Eng, IWE.

 

From: materials-welding@googlegroups.com <materials-welding@googlegroups.com> On Behalf Of Gopalakrishnan G
Sent: Friday, March 15, 2024 2:39 AM
To: materials-welding@googlegroups.com
Subject: [MW:34813] Clarification in Rate of heating and cooling.

 

dear expert

I have to do WPS and PQR details given below

 

Test coupon

Thickness -50 mm

Material - IS 2062 E 350 C 

Code - ASME 

Position - 3G

Process - SMAW 

Electrode - E-7018

Impact = -20C @ 27J

Stress Relieving - 605+/- 10c

Rate of heating/cooling- 100c/hr.

 

Whether if Rate of heating / cooling is 100c/hrs will it affect the test result both UTS and Impact properties? : No, It's the Exposure time at the PWHT Temperature which matters most towards the UTS & Charpy Impact values. As a matter of fact, there is no need to maintain a cooling rate of 1000C/hr. You may increase the cooling rate to 150Deg C /hr or more.

 

As per UCS 56 ASME SEC 8 div 1 Max rate of heating and cooling 222c/hrs divided by max.metal thickness.

 

As my client need Rate of heating and cooling 100c/hrs.

 

Plz kindly clarify.

 

 

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Re: [MW:34818] What Will be a F Number of E 2209-16 Welding rod (SMAW ).


Hi 
I mean F-No. 5 not 4. 4 just typo
Thanks,
Best Regards 

 AZMY ASHOUSH

Head Of Marine Welding Section / IWE, CSWIP

PETROJET Marine 

Mobile: 01064908985

E-Mail: azmyashoush@petrojet.com.eg

              marineweldingdpt@gmail.com



On Fri, 15 Mar 2024 at 05:36, Azmy Ashoush <marineweldingdpt@gmail.com> wrote:
Hi

F-No. For SFA A5.4 E2209-16 as per table QW-432 is 4

Thanks 


On Fri, Mar 15, 2024, 4:01 AM Prathab P <prapoovins@gmail.com> wrote:
Hi,

QW-432





On Thu, 14 Mar 2024, 13:02 Yutian Ren, <yutian.ren@gmail.com> wrote:
It can be E2209-16. 

P NAVEEN <pnaveen010@gmail.com> 于2024年3月13日周三 19:14写道:
Dear Sir's,

I am Planning to weld the SS2205 to SS 2205 material .   

Which filler rod ( SMAW ) we can use on that , If we can use the E 2209-16, What will be a F Number of that.

Thanks 

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Re: [MW:34818] Clarification in Rate of heating and cooling.

Dear,

In welding procedure specifications (WPS) and procedure qualification records (PQR), the rate of heating and cooling is an important parameter that can influence the mechanical properties of the welded joint, including ultimate tensile strength (UTS) and impact properties.

The ASME Boiler and Pressure Vessel Code, Section IX, UCS-56 specifies the maximum rates of heating and cooling for various materials and thicknesses to ensure the mechanical properties of the welded joint meet the required standards. For ASME Code applications, it's crucial to adhere to these specifications to ensure the integrity and safety of the welded component.

In your case, the specified rate of heating and cooling is 100°C/hr, which is lower than the maximum allowable rate specified in UCS-56 for the given material thickness. This lower rate may result in a more controlled heat input during welding and subsequent cooling, which could potentially lead to improved mechanical properties, including impact toughness.

However, it's essential to note that while the specified rate of heating and cooling may be lower than the maximum allowable limit, other welding parameters and procedures also play significant roles in determining the final mechanical properties of the welded joint. These parameters include preheat temperature, interpass temperature, welding technique, electrode selection, post-weld heat treatment (if required), etc.

Therefore, while the specified rate of heating and cooling may contribute to achieving desired mechanical properties, it's essential to consider all relevant welding parameters and procedures to ensure compliance with the applicable code requirements and the desired performance criteria for the welded joint.

Regards,

Amol K.Betkar


On Fri, 15 Mar 2024 at 12:12, Gopalakrishnan G <gopal2408@gmail.com> wrote:
dear expert
I have to do WPS and PQR details given below

Test coupon
Thickness -50 mm
Material - IS 2062 E 350 C 
Code - ASME 
Position - 3G
Process - SMAW 
Electrode - E-7018
Impact = -20C @ 27J
Stress Relieving - 605+/- 10c
Rate of heating/cooling- 100c/hr

Whether if Rate of heating / cooling is 100c/hrs will it affect the test result both UTS and Impact properties?

As per UCS 56 ASME SEC 8 div 1 Max rate of heating and cooling 222c/hrs divided by max.metal thickness.

As my client need Rate of heating and cooling 100c/hrs.

Plz kindly clarify.


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Best regards,

Amol K.B
B.E(Mech), CSWIP 3.2.2, NACE CIP 1 & ASNT LII(4M)

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Re: [MW:34817] Clarification in Rate of heating and cooling.

For your question Whether if Rate of heating / cooling is 100c/hrs will it affect the test result both UTS and Impact properties?


Please control the heat input and string bead only. 


On Fri, Mar 15, 2024, 12:12 Gopalakrishnan G <gopal2408@gmail.com> wrote:
dear expert
I have to do WPS and PQR details given below

Test coupon
Thickness -50 mm
Material - IS 2062 E 350 C 
Code - ASME 
Position - 3G
Process - SMAW 
Electrode - E-7018
Impact = -20C @ 27J
Stress Relieving - 605+/- 10c
Rate of heating/cooling- 100c/hr

Whether if Rate of heating / cooling is 100c/hrs will it affect the test result both UTS and Impact properties?

As per UCS 56 ASME SEC 8 div 1 Max rate of heating and cooling 222c/hrs divided by max.metal thickness.

As my client need Rate of heating and cooling 100c/hrs.

Plz kindly clarify.


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Re: [MW:34814] Clarification in Rate of heating and cooling.

Max heating rate: 222C/hr /max metal thickness (in inches)

Max cooling rate: 280C/hr / max metal thickness (in inches) 

So your PQR thickness is 50 mm => 2 inch. 

So, In your case:
 max heating rate is 111C/hr
 Max cooling rate is 140 C/hr. 

Thanks 

On Fri, Mar 15, 2024, 12:12 Gopalakrishnan G <gopal2408@gmail.com> wrote:
dear expert
I have to do WPS and PQR details given below

Test coupon
Thickness -50 mm
Material - IS 2062 E 350 C 
Code - ASME 
Position - 3G
Process - SMAW 
Electrode - E-7018
Impact = -20C @ 27J
Stress Relieving - 605+/- 10c
Rate of heating/cooling- 100c/hr

Whether if Rate of heating / cooling is 100c/hrs will it affect the test result both UTS and Impact properties?

As per UCS 56 ASME SEC 8 div 1 Max rate of heating and cooling 222c/hrs divided by max.metal thickness.

As my client need Rate of heating and cooling 100c/hrs.

Plz kindly clarify.


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Re: [MW:34814] What Will be a F Number of E 2209-16 Welding rod (SMAW ).

Sir, Why Not This one F No :- 5.

On Friday, March 15, 2024 at 9:25:29 AM UTC+5:30 Azmy Ashoush wrote:
Hi

F-No. For SFA A5.4 E2209-16 as per table QW-432 is 4

Thanks 


On Fri, Mar 15, 2024, 4:01 AM Prathab P <prapo...@gmail.com> wrote:
Hi,

QW-432





On Thu, 14 Mar 2024, 13:02 Yutian Ren, <yutia...@gmail.com> wrote:
It can be E2209-16. 

P NAVEEN <pnave...@gmail.com> 于2024年3月13日周三 19:14写道:
Dear Sir's,

I am Planning to weld the SS2205 to SS 2205 material .   

Which filler rod ( SMAW ) we can use on that , If we can use the E 2209-16, What will be a F Number of that.

Thanks 

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Re: [MW:34814] What Will be a F Number of E 2209-16 Welding rod (SMAW ).

  1. 5 SFA-5.4 austenitic and duplex EXXX(X)-16 ... Why not this one. 

On Fri, Mar 15, 2024 at 9:25 AM Azmy Ashoush <marineweldingdpt@gmail.com> wrote:
Hi

F-No. For SFA A5.4 E2209-16 as per table QW-432 is 4

Thanks 


On Fri, Mar 15, 2024, 4:01 AM Prathab P <prapoovins@gmail.com> wrote:
Hi,

QW-432





On Thu, 14 Mar 2024, 13:02 Yutian Ren, <yutian.ren@gmail.com> wrote:
It can be E2209-16. 

P NAVEEN <pnaveen010@gmail.com> 于2024年3月13日周三 19:14写道:
Dear Sir's,

I am Planning to weld the SS2205 to SS 2205 material .   

Which filler rod ( SMAW ) we can use on that , If we can use the E 2209-16, What will be a F Number of that.

Thanks 

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[MW:34813] Clarification in Rate of heating and cooling.

dear expert
I have to do WPS and PQR details given below

Test coupon
Thickness -50 mm
Material - IS 2062 E 350 C 
Code - ASME 
Position - 3G
Process - SMAW 
Electrode - E-7018
Impact = -20C @ 27J
Stress Relieving - 605+/- 10c
Rate of heating/cooling- 100c/hr

Whether if Rate of heating / cooling is 100c/hrs will it affect the test result both UTS and Impact properties?

As per UCS 56 ASME SEC 8 div 1 Max rate of heating and cooling 222c/hrs divided by max.metal thickness.

As my client need Rate of heating and cooling 100c/hrs.

Plz kindly clarify.


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Re: [MW:34812] Dissimilar base metal PQR

Since 350 is unlisted need new qualification, what is the item?

On Fri, 15 Mar 2024, 09:36 Chaitanya Purohit, <qtech.consultants@gmail.com> wrote:
I have welded 25mm PQR using base metal IS2062 E250BR to IS2062 E350C using SMAW. 

Will this qualify Belo combination also;
IS2062 E250BR to Self
IS2062 E350C to Self

or I have to weld two more PQR for above two combination 

Code : Sec IX

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[MW:34811] Dissimilar base metal PQR

I have welded 25mm PQR using base metal IS2062 E250BR to IS2062 E350C using SMAW. 

Will this qualify Belo combination also;
IS2062 E250BR to Self
IS2062 E350C to Self

or I have to weld two more PQR for above two combination 

Code : Sec IX

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[MW:34820] RE: 34813] Clarification in Rate of heating and cooling.

Hello,   Please see the response below.   Regards.   P. Goswami, P. Eng, IWE.   From: materials-welding@googlegroups.com <materials-weld...