ASTM A333 Seamless Carbon Steel Pipe Heat Treatment For Low Temperature Service

ASTM A333 (ASME S/A-333) Pipe grades permit low temperature service. This specification covers nominal (average) walled pipe almost exclusively in seamless. A333 pipe is furnished to nine different grades designated by numbers 1, 3, 4, 6, 7, 8, 9, 10, & 11. Discussed herein are Grades 1 and 6.

1. Referenced Documents

ASTM A 370 Test Methods and Definitions for Mechanical testing of Steel Products

ASTM A999/A 999M Specification for General requirements for Alloy and Stainless Steel Pipe

ASTM A 671 Specification for General requirements for Alloy and Stainless Steel Pipe

ASTM E 23 Test Methods for Notched bar Impact testing of Metallic Materials

2. Available Size Range

3. Standards:
ASTM A333: Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service

4. Application:
Oil, Gas and water delivery;

Refinery, Boiler and Mechanical equipment manufacture;

structure construction; drilling, ship building and etc.

5. Ordering Information

Quantity (feet, centimeters, or number of lengths),

Name of material (seamless pipe),

Grade (Gr.1, Gr.3, Gr.4, Gr.6, Gr.7, Gr.8, Gr.9, and Gr.10),

Size (NPS or outside diameter and schedule number of average wall thickness),

Lengths (specific or random),

End finish

Optional requirements

Test report required

6. Chemical Requirements

For each reduction of 0.01% carbon below 0.30%, an increase of 0.05% manganese above 1.06% would be permitted to a maximum of 1.35% manganese. When Grade 6 is ordered under this specification, supplying an alloy grade that specifically requires the addition of any element other than those listed for the ordered grade is not permitted. However, the addition of elements required for the deoxidation of the steel is permitted.

7. Manufacturing Process

Raw Material Inspection → Cold Centering → Heating → Piercing & Rolling → SIzing → Heat Treatment → Testing → Finishing → NDE → Visual & Dimension Inspection → Marking → Storing & Shipping