ASME SA334 GR.6 Seamless Carbon And Alloy Steel Tube For Low Temperature
ASME SA334 GR.6 Seamless Carbon And Alloy Steel Tube For Low Temperature
Description
ASME SA334 Gr.6 seamless tube is a carbon manganese steel tube designed for low-temperature heat exchangers, condensers and high-precision equipment. It is suitable for non-corrosive low-temperature environments (down to -45°C).
ASME SA334 specifies seamless and welded steel tube for low temperature use, emphasizing dimensional accuracy and surface quality, and is suitable for precision equipment such as heat exchangers and boilers.
Gr.6 grade: low carbon manganese steel (C-Mn), with the same composition as SA333 Gr.6, but SA334 Gr.6 pays more attention to the manufacturing process and surface finish of thin-walled pipes.
Chemical Properties
| Carbon | Silicon | Manganese | Phosphorous | Sulphur | Molybdenum | Nickel | Chromium | Copper | Others |
| max 0.30 | min 0.10 | 0.29 – 1.06 | 0.025 | 0.025 | – | – | – | – | – |
Mechanical Properties
| Yield Strength | Tensile Strength | Elongation A5 min | |||
| MPa min | ksi min | MPa min | MPa min | ksi min | Percentage |
| 415 | – | 60 | 30 | ||
Equivalent Designation
| DIN | EN | BS | NFA | ASTM | ASME |
| DIN 17178 Grade FGP 28 | EN P215NL Grade 10216-4 | NFA A 36-2051) Grade A 42 AP | ASTM A333 Grade6 | ASME SA 333 Grade 6 | UNI C20 |
Application
1. Liquefied natural gas (LNG) and cryogenic energy Heat exchanger tube bundles Cryogenic storage tank systems
2. Industrial refrigeration and air conditioning systems Evaporator and condenser tubes Food processing cold storage, chemical refrigeration reactors.
3. Chemical and petrochemical cryogenic processes Air separation equipment (oxygen/nitrogen production)
4. Power and energy equipment
5. Shipbuilding and marine engineering Cryogenic pipelines of gas supply systems Heat exchange tube bundles in reliquefaction devices
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