Saturday, July 21, 2012

Re: [MW:14920] welding & base metal hardness requirement for SA 387 Gr.5 Class II plate welding with E8018-B6

DEAR HIREN,
 
A 387 Class 1 Class 2 SHEETS / PLATES
ASTM Grade Chemical Requirements Percent (%) Mechanical Requirements
C max Mn P S Si Ni Cr. Mo Cu Others Tensile Strength Yield Strength Elong mini Hardness
Max Max Max Max Mini-MPa (Ksi) Mini-MPa(Ksi)  
            % Brinell Rockwell
A 387 Class 1 Class 2                       Class 1 Class 2 Class 1 Class 2      
2 0.05-0.021 0.55-0.80 0.035 0.04 0.15-0.40   0.50-0.80 0.45-0.60     380-550 486-620 230 310 22 Max201HB Max92HRB
5 0.15 0.30-0.60 0.04 0.03 0.5   4.00-6.00 0.45-0.65     415-585 515-690 205 310 18 max202HB Max92HRB
7 0.15 0.30-0.60 0.03 0.03 1   6.00-8.00 0.45-0.65     415-585 515-690 205 310 18 max217HB Max95HRB
9 0.15 0.30-0.60 0.03 0.03 1   8.00-10.0 0.90-1.10     415-585 515-690 205 310 18 max217HB Max95HRB
11 0.04-0.17 0.40-0.65 0.035 0.04 0.50-0.80   1.00-1.50 0.45-0.65     415-585 515-690 240 310 22 max217HB Max95HRB
12 0.04-0.17 0.40-0.65 0.035 0.04 0.15-0.40   0.80-1.15 0.45-0.60     380-550 450-585 230 275 22 max217HB Max95HRB
21 0.04-0.17 0.30-0.60 0.035 0.035 0.5   2.75-3.25 0.90-1.10     415-585 515-690 205 310 18 max201HB Max92HRB
22 0.05-0.17 0.30-0.60 0.035 0.035 0.5   2.00-2.50 0.90-1.10     415-585 515-690 205 310 18 max201HB Max92HRB

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Regards

Lalit Vadadoriya
Sr.Engineer (Inspection)
Engineers India Limited

Dahej Petrochemical Complex,
Dahej (Gujarat)


On Sat, Jul 21, 2012 at 11:27 AM, sevak hiren <hirensevak80@gmail.com> wrote:
Dear Experts,
 
Can anyone provide welding & base metal hardness requirement for SA 387 Gr.5 Class II plate welding with E8018-B6.
 
Thanks & Regards

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