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Thanks Geoff :)

Hi Geoff13 Thanks for your reply. There are two tables 4.4a and 4.4b material group coming after section 4.4 structural shapes, what is that means or representing

They accept only ASTM A36

Hi Jay, Actually it is difficult to get Mn controlled material with ASTM A36 grade from the market. It cannot be get rolled from the factory as well since it is below minimum order quantity.

Hi Jay, Yes, As per our Client's QC opinion platforms, stairway, walkway materials also should follow Manganese controlled ratio as per API650, since it is stated under structural shapes. Do you have any idea how to overcome this or make them to understand?

Hi Jay, Thanks for your rply, actually tank has designed by a third party consultant and we are a subcontractor for the fabrication and erection including material procurement. Actually our client is concerned about API650 standards for all material, we have agreed for shell plates and...

Dears, Could you please advise whether Mn controlled(0.80% to 1.2%) material is compulsory for fabricating platforms and handrails for a fuel storage tanks or normal material with below 0.80% manganese is acceptable?. Also pls let me know it has mentioned in API 650 standard, if Manganese...

Dears, Could you please advise whether Mn controlled(0.80% to 1.2%) material is compulsory for fabricating platforms and handrails for a fuel storage tanks or normal material with below 0.80% manganese is acceptable?. Also pls let me know it has mentioned in API 650 standard, if Manganese...

Dears, Could you please advise whether Mn controlled(0.80% to 1.2%) material is compulsory for fabricating platforms and handrails for a fuel storage tanks or normal material with below 0.80% manganese is acceptable?. Also pls let me know it has mentioned in API 650 standard, if Manganese...