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KS NCF800TF Details
Steel tubes for fired heater
KS NCF800TF Standard Download
NCF800TF Datasheet
KS NCF800TF| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Stainless Steels | NCF800TF | Korea - KS , D 3587 (1991) - Steel tubes for fired heater |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.10 | ||
| Si | - | 1.00 | ||
| Mn | - | 1.50 | ||
| P | - | 0.030 | ||
| S | - | 0.015 | ||
| Cr | 19.00 | 23.00 | ||
| Ni | 30.00 | 35.00 | ||
| Cu | - | 0.75 | ||
| Al | 0.15 | 0.60 | ||
| Ti | 0.15 | 0.60 | ||
| Fe | - | remaining |
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 849 (≥) | 981 (≥) | 32 | 14 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 775 (≥) | 195 (≥) | 31 | 34 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 111 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 817 | 658 | 161 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| NCF800 | KS | Korea | Special alloys steel for chemical plant |
| NCF800TB | KS | Korea | Seamless nickel-chromium-iron alloy heat exchanger tubes |
| NCF800TP | KS | Korea | Seamless nickel - chromium - iron alloy pipes |
| NCF800H | KS | Korea | Corrosion - resisting and heat - resisting superalloy plates and sheets |
| NCF800HTB | KS | Korea | Seamless nickel-chromium-iron alloy heat exchanger tubes |
| NCF800HTP | KS | Korea | Seamless nickel-chromium-iron alloy pipes |
| NCF800HTF | KS | Korea | Steel tubes for fired heater |
| NCF800TF | KS | Korea | Steel tubes for fired heater |
| NCF800 | CNS | China | CNS Standard heat resistant alloy and corrosion resistant alloy bar and plate type and chemical composition |
| NCF800H | CNS | China | CNS Standard heat resistant alloy and corrosion resistant alloy bar and plate type and chemical composition |