ASTM A333/A333M Seamless and Welded Steel Pipes for Low Temperature Service
ASME SA-333/SA-333M Seamless Steel tubes/Steel pipes/Carbon steel
tubes/Round tubes
1.The Steel tubes covers nominal(avergae ) wall thickness seamless
steel tubes;Seamless pipes;welded carbon tubes,
Alloy steel pipes intended for use at low temperatures.
2.The Steel pipes are made by seamless or automatic welding process
with no addition of no of filler metal in the welding operation.
All tubes Normalized by heating to a uniform temperature of not
less than 845℃ and cool in air or in the cooling chamber of
an atmosphere controlled furance.
3.Referenced ASTM and ASME Standards:
A999/A999m Specification for general requirements for alloy and
Stainless Steel Pipes.
A370 test methods and definitions for mechanical testing of steel
pipes products.
A671 Specification for Electric-fusion-welded steel pipe for
atmospheric and lower temperature.
A450/A450M specification for carbon steel tubes,ferritic alloy
tubes and austenitic alloy
steel tubes and stainless steel tubing.
E213 Practice for ultrasonic testing of metal pipe and round tubing
ASME B36.10 welded and seamless wrought steel pipes and
Steel Tubes
E23 tube and pipe test method for impact testing of metallic
tubing.
4.Inspection of steel tubes before shipment:
Chemical composition inspection for steel tubes.
Tensile Strength inspection for steel pipes and tubes.
Impact on Steel pipes and steel tubes
Hydrostatic or Nondestructive electric test
5.Steel tubes grade:A333 gr.1/A333 gr.3/A333 Gr.6/A333 Gr.7/A333
Gr.8/A333 Gr.9/A333 Gr.11
| Element | Compision, % |
| A333 Gr1 | A333 Gr3 | A333 Gr6 | A333 Gr7 | A333 Gr8 | A333 Gr9 | A333 Gr11 |
| C, max | 0.30 | 0.19 | 0.30 | 0.19 | 0.13 | 0.20 | 0.10 |
| Mn | 0.40-1.06 | 0.31-0.64 | 0.29-1.06 | 0.90 max | 0.90 max | 0.40-1.06 | 0.60 max |
| P, max | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 |
| S, max | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 |
| Si | - | 0.18-0.37 | 0.10 min | 0.13-0.32 | 0.13-0.32 | - | 0.35 max |
| Ni | - | 3.18-3.82 | - | 2.03-2.57 | 8.40-9.60 | 1.60-2.24 | 35.0-37.0 |
| Cr | - | - | - | - | - | - | 0.50 max |
| Cu | - | - | - | - | - | 0.75-1.25 | - |
| Co | - | - | - | - | - | - | 0.50 max |
| Mo | - | - | - | - | - | - | 0.50 max |
6.A333 gr.6/SA333 Gr.1 alloy Steel pipes pictures:
Tags: ASTM A333 Low Temperature Service Steel Tubes, Boiler Tubes,
Steel Tubes, Boiler Steel Tubes,
ASTM A333 Gr6;SA333 gr.1 steel tubes;SA333 Gr.6 steel
pipes;seamless tubing;round tubes;
Seamless steel pipes;stainless steel pipes;
