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KS NCF800 Details
KS NCF800 Standard Download
| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Stainless Steels | NCF800 | Korea - KS , D 3531 (2007) - Corrosion - resisting and heat - resisting superalloy bars D 3532 (2002) - Corrosion - resisting and heat - resisting superalloy plates and sheets D 3749 (2008) - Special alloys steel for chemical plant |
| 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) |
|---|---|---|---|---|---|---|
| 337 (≥) | 678 (≥) | 44 | 43 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 123 |
| 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 |
|---|---|---|---|---|---|---|---|
| 754 (≥) | 944 (≥) | 33 | 43 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 221 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 378 | 613 | 529 |
| 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 |