ASTM A334 Gr. 6 Seamless Alloy Steel Boiler And Heat Exchanger Tubes
ASTM A334 Gr. 6 Seamless Alloy Steel Boiler and Heat Exchanger Tubes
YuHong Group, one of the leading suppliers in China,we supply alloy seamless steel boiler tubes with high quality to our customers and have many experiences in exporting.At lower temperatures, the toughness of the Gr6 steel tube is excellent, and it will not be brittle due to impact. And it has good corrosion resistance in all kinds of corrosive media and can effectively prevent the pipeline from being damaged due to corrosion.
ASTM A334 This specification covers several grades of minimum-wall-thickness, seamless and welded, carbon and alloy-steel tubes intended for use at low temperatures. Some product sizes may not be available under this speci- fication because heavier wall thicknesses have an adverse affect on low-temperature impact properties.
Chemical Composition % Max
| Grade | C | Mn | P | S | Si |
| Gr. 6 | 0.3 | 0.29-1.06 | 0.025 | 0.025 | 0.1 min |
For each reduction of 0.01% carbon below 0.30%, an increase of 0.05% manganese above 1.06% will be permitted to a maximum of 1.35% manganese.
Mechanical Property
| Grade | Tensile Strength min | Yield Strength min | Elongation (%) | Brinell max | Rockwell max |
| Gr. 6 | 60ksi (415MPa) | 35ksi (240MPa) | 30 min | 190HV | B90 |
Applications
Oil Industries
Gas Distribution
Furnaces Projects
Power Industries
Marine Industries
Nuclear Power Generation
Heat Exchangers/Boilers/Condensers,etc
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