world iron& steel co,ltd

We are the leading astm a335 pipes (a335 seamless steel pipe /a335 alloy steel pipes)manufacturers.
1. Heat Treatment:
1.1 A335 steel pipe of grades shown in Table 1 except P5c, P23,P91, P92, P122, and P911 as provided in 5.3.2, shall be reheated and furnished in the full-annealed, isothermal annealed,or normalized and tempered condition. If furnished in the normalized and tempered condition, the minimum tempering temperature for Grades P5, P5b, P9, P21, and P22 shall be1250°F [675°C], the minimum tempering temperature for Grades P1, P2, P11, P12, and P 15 shall be 1200°F [650°C].
NOTE 3—It is recommended that the temperature for tempering should
be at least 100°F [50°C] above the intended service temperature; consequently,
the purchaser should advise the manufacturer if the service
temperature is to be over 1100°F [600°C].
1.2 Pipe of Grades P1, P2, and P12, either hot finished or cold drawn, may be given a final heat treatment at 1200°F[650°C] to 1300°F [705°C] instead of heat treatments specified
in 5.3.1.
1.3 All pipe of Grades P5c shall be given a final heat treatment in the range from 1325°F [715°C] to 1375°F [745°C].
1.4 Grades P92 and P911 shall be normalized at 1900°F [1040°C] minimum and tempered at 1350°F [730°C] minimum
as a final heat treatment.
1.5 Grade P122 shall be normalized at 1900°F [1040°C]minimum, and tempered at 1350°F [730°C] minimum as a final
heat treatment.

1.6 Grade P23 shall be normalized at 1900°F [1040°C]minimum with air cooling or accelerated cooling and temperedat 1350°F [730°C] minimum as a final heat treatment.

2:Package:

1. Bundle package/In bundle with plastic bag outside/ In wooden case 
2. Marking as per customer's request 
3. Paint on the pipe as per customer request
4. Pipe caps as customer request
5. As per your requirement

As one of the best astm a335 alloy steel pipe manufacturers and suppliers, and equipped with one of the well-known astm a335 alloy steel pipe brands and productive factory and company, World Iron & Steel Co.,Ltd is always at your service.

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