17-4 stainless o se matua-faʻamaʻaʻa martensitic faʻamamaina tuʻufaʻatasia maualuga malosi ma le pala faʻamalosi o le le faʻamauina le sila. Faʻaʻaʻaina e maua i se puʻupuʻu, faigofie maualalo-vevela togafitiga. E le pei o masani martensitic uamea stainless, e pei o le ituaiga 410, 17-4 e fai lava uʻamea. O le malosi, faʻaleagaina tetee ma faʻafaigofie fabrication mafai faia 17-4 stainless a taugata-aoga sui mo uʻamea maualuga carbon carbon faʻapea foi ma isi stainless togi.
I le vaifofo togafiti vevela, 1900 ° F, o le uʻamea o austenitic ae oʻo i ai suiga i se maualalo-carbon martensitic fausaga i le taimi o maluluina i potu vevela. O lenei suiga e le maeʻa seʻia paʻu le tau i le 90 ° F. O le susulu atu i le vevela o le 900-1150 ° F mo le tasi i le fa itula faʻamaluluina e faʻamalosia ai le uʻamea filogia. O lenei faʻamaʻaʻa togafitiga e faʻaleagaina ai foi le martensitic fausaga, faʻateleina ductility ma maʻaʻa.
C |
Cr |
Ni |
Si |
Mn |
P |
S |
Cu |
Nb + Ta |
≤0.07 |
15.0-17.5 |
3.0-5.0 |
≤1.0 |
≤1.0 |
≤0.035 |
≤0.03 |
3.0-5.0 |
0.15-0.45 |
Density |
Malosiaga vevela faʻapitoa |
Faaliusuavai |
Avea vevela |
Modulus eletise |
7.78 |
502 |
1400-1440 |
17.0 |
191 |
Tulaga |
бb / N / mm2 |
б0.2 / N / mm2 |
δ5 /% |
ψ |
HRC |
|
Faasologa |
480 ℃ matua |
1310 |
1180 |
10 |
35 |
≥40 |
550 ℃ matua |
1070 |
1000 |
12 |
45 |
≥35 |
|
580. Matua |
1000 |
865 |
13 |
45 |
≥31 |
|
620. Matua |
930 |
725 |
16 |
50 |
≥28 |
AMS 5604, AMS 5643, AMS 5825, ASME SA 564, ASME SA 693, ASME SA 705, ASME Type 630, ASTM A 564, ASTM A 693, ASTM A 705, ASTM Type 630
Tulaga A - H1150, ISO 15156-3, NACE MR0175, S17400, UNS S17400, W. Nr./EN 1.4548
• Faigofie e fetuunai le malosi tulaga, e ala i le suiga i le vevela togafitiga faagasologa e fetuunai martensite vaega suiga ma le matua
togafitiga o uʻamea fausia faʻafuaseʻa faʻamaʻaʻaina vaega.
• Tetee vaivai vaivai ma tetee vai.
• Ueloina:I le tulaga o mautu fofo, matua poʻo overageing, o le uʻamea filogia mafai ona ueloina i le auala, aunoa ma preheating.
Afai o le manaʻomia o le ueloina malosi latalata i le uamea malosi o le soifua matua faʻamaʻaina, lea o le uʻamea filogia tatau ona avea mautu tali ma tuai togafitiga peʻa maeʻa maopoopo
O lenei uʻamea filogia e talafeagai foi mo brazing, ma o le sili ona lelei afifiina vevela o le fofo vevela.
• Tetee palapala:Uʻamea filogia tetee uʻamea e sili atu nai lo se isi tulaga masani paʻaʻaʻa faʻamalosi uʻamea, i le static vai faigofie puapuagatia mai eleele tafia eleele tafia poʻo taʻetaei.
• Atunuʻu i fafo, o le helikopa fola, isi tulaga.
• Alamanuia taumafa.
• Pulp ma alamanuia pepa.
• Avanoa (turbine blade).
• Vaega masini.
• Faʻateʻa otaota paelo.