1.4944
1.4944Chemical composition:
Ni | Cr | Mo | B | P | Al | Ti | C | Mn | Si | V | S | Fe | |
Min | 24 | 13.5 | 1 | 0.001 | 1.75 | 1 | 0.1 | Bal | |||||
Max | 27 | 16 | 1.5 | 0.01 | 0.03 | 0.4 | 2.35 | 0.08 | 2 | 1 | 0.5 | 0.02 |
1.4944Physical properties:
Density | 7.94g/cm3 |
Melting point | 1370-1430 |
Specific heat | 419J/kg•°C |
1.4944Mechanical properties:
Standard number | variety | heat treatment | θ/℃ | Tensile properties |
HBS |
Combined long-lasting performance | |||||
σb/MPa | σp0.2/MPa | δ₅/% | ψ/% | σ/MPa | τ/h | τh/h | |||||
Q/3B4071 | Hot rolled rods | Standard heat treatment | 20 | ≥1035 | ≥690 | ≥18 | ≥30 | 352~277 | — | — | — |
650 | — | — | — | 一 | 448 | ≥25 | >t |
1.4944Alloy properties:
After long-term aging at 650°C, the G phase and the cellular η phase were precipitated at the grain boundary, and the η phase showed Wechsler structure after 6000 h. When the alloy composition exceeds the specifications of the technical standard or some processes are not in place, an excess of η, G and σ phases can occur, and an abnormal cellular γ phase appears.
1.4944Uses of alloys:
HuaNickel 1.4944 alloy has a wide range of applications in a variety of industries such as aerospace, energy, automotive, petrochemical, and offshore oil and gas industries due to its excellent high-temperature strength and corrosion resistance.
1.4944Process performance:
Welding performance: welding process: the alloy has satisfactory welding performance, and can be welded by argon arc welding, spot welding, and seam welding.
Relevant standards:
Bars, wires and forgings-ASTM A 638、ASME SA 638、SAE AMS 5726、SAE AMS 5731、SAE AMS 5732、SAE AMS 5734、SAE AMS 5737、SAE AMS 5895、BS HR 51、BS HR 52、AECMA PrEn2171、AECMA PrEN2119、AECMA PrEN2172、AECMA PrEN2173、AECMA PrEN2174、AECMA PrEN2303,AECMA PrEN2304,AECMA PrEN2398,AECMA PrEN2399,AECMA PrEN3510
plates, sheets and belts SAE AMS 5525、SAE AMS 5858、AECMA PrEN2175、AECMA PrEN2417Tube- – SAE AMS 5731、SAE AMS 5732、SAE AMS 5734、SAE AMS 5737、SAE AMS 5895
Other products——ASTM A 453、SAE AMS 7235、BS HR 650、ASME SA 453