Re: [MW:29810] Re: Welding 4130 alloy

It is structure of plates and will be used for lifting purpose.

Pls advice 

On Wed, Jun 26, 2019, 14:44 Bien_ND <bck055@gmail.com> wrote:

Hello,

In build up or hardbanding application?

E11018-M

Bien ND

QA/QC Engineer

weldinginspections.net

On Wednesday, June 26, 2019 at 12:47:09 PM UTC+7, ANANT wrote:

Dear,

Please can you tell me the process to do a welding on alloy 4130 material.   It is needed hardness values also. Approx 25 30 hrc. 

Which electrode are preferable...

On Tue, Jun 25, 2019, 16:57 Vinay Thattey <vinay....@gmail.com> wrote:

 I suggest you to Qualify in 3G . The 3G welding certification qualifies a welder to weld flat, horizontal, and vertical or 1G, 2G, and 3G positions, also includes the 1F, 2F, and 3F positions without having to take the 1G and 2G certification. This one test qualifies you for three positions.

On Thu, 20 Jun 2019 at 17:52, K K <kara...@gmail.com> wrote:

Dear Experts,

Please clarify me regarding below mentioned doubts.

As per AWS D1.1

1)      As per PQR thickness qualified with 25mm(Test coupon )

But In WPS thickness mentioned 28MM ( 3.2mm to unlimited )

 

As per AWS D1.1 Table   4.2

For thickness range is qualified for 25 mm ( 3mm to 2T) if i am correct.

2)   Regarding Position – PQR is qualified with 2G( Horizontal)

But in WPS welding Progression – Uphill. whether 2G can weld Uphill position. 

Please clarify me regarding above points.

Thanks and Regards

Kiran

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