Re: [MW:7459] P No in the web

Hi Maringan,

Pls find below the P Numbers.

ASME P Material Numbers

This is a general guide ASME P numbers and their equivalent EN288 groupings. Groups referred to in the Base Metal column are ASME sub groups. EN288 material groups are included for comparison only.
P No. EN288 Base Metal
1 1 Carbon Manganese Steels, 4 Sub Groups
Group 1 up to approx 65 ksi
Group 2 Approx 70ksi
Group 3 Approx 80ksi
Group 4 ?

2 - Not Used
3 4 3 Sub Groups:- Typically half moly and half chrome half moly
4 5 2 Sub Groups:- Typically one and a quarter chrome half moly
5A 5 Typically two and a quarter chrome one moly
5B 5 2 Sub Groups:- Typically five chrome half moly and nine chrome one moly
5C 6 5 Sub Groups:- Chrome moly vanadium
6 8 6 Sub Groups:- Martensitic Stainless Steels Typically Grade 410
7 8 Ferritic Stainless Steels Typically Grade 409
8 9 Austenitic Stainless Steels, 4 Sub groups
Group1 Typically Grades 304, 316, 347
Group 2 Typically Grades 309, 310
Group 3 High manganese grades
Group 4 Typically 254 SMO type steels

9A, B, C 7 Typically two to four percent Nickel Steels
10A,B,C,F,G ? Mixed bag of low alloy steels, 10G 36 Nickel Steel
10 H 10 Duplex and Super Duplex Grades 31803, 32750
10J ? Typically 26 Chrome one moly
11A Group 1 7 9 Nickel Steels
11 A Groups 2 to 5 ? Mixed bag of high strength low alloy steels.
11B ? 10 Sub Groups:- Mixed bag of high strength low alloy steels.
12 to 20 - Not Used
21 21 Pure Aluminium
22 22a Aluminium Magnesium Grade 5000
23 23 Aluminium Magnesium Silicone Grade 6000
24 - Not Used
25 22b Aluminium Magnesium Manganese Typically 5083, 5086
26 to 30 Not used
31 Pure Copper
32 Brass
33 Copper Silicone
34 Copper Nickel
35 Copper Aluminium
36 to 40 Not Used
41 Pure Nickel
42 Nickel Copper:- Monel 500
43 Nickel Chrome Ferrite:- Inconel
44 Nickel Moly:- Hastelloy C22, C276
45 Nickel Chrome :- Incoloy 800, 825
46 Nickel Chrome Silicone
47 Nickel Chrome Tungstone
47 to 50 Not Used
51, 52, 53 Titanium Alloys
61, 62 Zirconium Alloys

Regards,

Venkat / Q-FAB
Welding Division.

On Fri, 08 Oct 2010 08:42:00 +0530 wrote
>Dear all,



A few weeks ago I had read there was discussion about P No and someone

commented that regarding P No you can go to the web address, could you

please re-informed about the web is?





Thank you,

Maringan Hutagalung

PT. Bohler Welding Group SEA



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Venkad Rengaraj.
AlRuqee Downstream Supply Co.,
Jubail Industrial City-31961
Kingdom of Saudi Arabia

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