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B163 Alloy Steel Pipe Incoloy800HT
Incoloy 800HT Chemical composition:
Ni :30.0-35.0
Cr:19.0-23.0
Fe:39.5
C:0.06-0.1
Mn:1.5
Si:1.0
S:0.015
Cu:0.75
Al:0.15-0.60
Ti:0.15-0.60
Metallographic structure:
face-centered cubic structure,The extreme low carbon element content ,improve the rate of Ti:C ,so that it also improve the structural stability, intergranular corrosion resistance.950℃ low temperature annealing assure the crystal structure.
Mechanical properties:
Mechanical properties at room temperature (min)
| Product | Specification | Yield Strength RP0.2 N/mm2 | Yield Strength RP1.0 N/mm2 | Tensile strength Rm N/mm2 | Elongation A50% | Brinell hardness HB |
Sheet strip / cold-rolled Plate / hot rolling | 0.5-6.4 | 240 | 265 | 585 | 30 | <=2 |
| 5-1 | 135-165 | |||||
Bar Cold working Hot working | 1.6-64 | |||||
| 25-1 | ||||||
| >1-240 | 220 | 250 | 550 | 35 | ||
Pipe Cold working Hot working | 64-240 | 180 | - | 530 | 30 | - |
| 5-1 | 240
| 265 | 585 | 30 | ||
Condenser and heat exchangers | 16-76 |
High temperature mechanical properties (minimum)
| Product | Yield Strengt hRP0.2 N/mm2 | Yield Strength RP1.0 N/mm2 | ||||||||
| Temperature ℃ | 1 | 2 | 3 | 4 | 450 | 1 | 2 | 3 | 4 | 450 |
| Plate, strip, tube | 205 | 180 | 170 | 160 | 155 | 235 | 205 | 195 | 185 | 180 |
| Baton | 190 | 165 | 155 | 145 | 140 | 220 | 190 | 180 | 170 | 165 |
Material feature:
High Nickel content in aqueous corrosion conditions it has good resitance to tress corrosion cracking
High chromium content it has a better resistance to pitting and crevice corrosion cracking
Has excellent corrosion resistance up to 5℃ extremely high temperature aqueous medium
Good resistance to stress corrosion resitance
Good workability
Application:chemical engineering ,power station,petrochemical engineering ect which is exposed
to high temperature corrosivity environment.
Standard:
DIN 17751Tubes of wrought nickel and nickel alloys; properties
DIN4322 Aerospace series - Bolts, double hexagon head with lockwire holes, relieved shank, long thread, in titanium alloy TI-P64001, anodized, MoS coated - Strength class: 1100 MPa (at ambient temperature): German and English version EN 4322:2004
BS 3074:1989 Specification for nickel and nickel alloys: seamless tube
ASTM B423Standard Specification for Nickel-Iron-Chromium-Molybdenum-Copper Alloy (UNS N08825, N08221, and N06845) Seamless Pipe and Tube
SB 423
ASTM B163 Standard Specification for Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes
ASTM B704/705
SB 163
