NCF800
NCF800 properties and heat treatment forged piece, Including NCF800 application and specifications, We have all specifications，Including NCF800 steel plate, NCF800 sheet, NCF800 square steel, NCF800 flat bar,NCF800 round bar,NCF800 forgings, we can own production and sales.
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forged/hot rolling/ extrusion of steel
We can produce the NCF800 has the following specifications:
Round bar steel: 1mm to 3000mm
Square-shape steel: 1mm to 2000mm
Plate steel:0.1mm to 2500mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
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Chemical composition % of the ladle analysis of grade NCF800 and Standards
| Grade : | KHN32T ( ХН32Т ) ( Х20Н32Т ЭП670 ) |
| Classification : | Hidh-temperature or heat-resistant alloy |
| Equivalent steels: |
| Fe | C | Si | Mn | Ni | S | P | Cr | Ti | Al |
| 41.4 - 50.75 | max 0.05 | max 0.7 | max 0.7 | 30 - 34 | max 0.02 | max 0.03 | 19 - 22 | 0.25 - 0.6 | max 0.5 |
Mechanical properties under Т=20oС for grade KHN32T ( ХН32Т ) "
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Bar | longitudinal | 480 | 180 | 40 | 60 | Heating 1100 - 1150oC,Cooling air, | ||
| Sheet | dihedral | 500 | 180 | 30 | Heating 1080oC,Cooling water, | |||
| Forging | 470 | 176 | 30 | 35 |
Physical properties for grade KHN32T ( ХН32Т )
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
| Grade | MPa | 1/Grade | Watt/(m·Grade) | kg/m3 | J/(kg·Grade) | Ohm·m |
| 20 | 2.05 | 15.9 | 8160 | |||
| 100 | 13.7 | 13.4 | ||||
| 200 | 15.6 | 15.1 | ||||
| 300 | 17.2 | 16.7 | ||||
| 400 | 18 | 18 | ||||
| 500 | 18 | 19.2 | ||||
| 600 | 18.4 | 20.5 | ||||
| 700 | 18.9 | 21.7 | ||||
| 800 | 19 | 23.4 | ||||
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Equivalent steels for grade KHN32T ( ХН32Т )
| USA | Germany | Japan | France | England | European | Spain | Romania | South Korea | |||||||||||||||||||||
| - | DIN,WNr | JIS | AFNOR | BS | EN | UNE | STAS | KS | |||||||||||||||||||||
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Specification :
| Mechanical properties : | |
| sв | - Tensile strength , [MPa] |
| sT | - Yield stress, [MPa] |
| d5 | - Specific elongation at fracture , [ % ] |
| y | - Reduction of area , [ % ] |
| KCU | - Impact strength , [ kJ / m2] |
| HB | - Brinell hardness , [MPa] |
Physical properties : |
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| T | - Test temperature , [Grade] |
| E | - Young modulus , [MPa] |
| a | - Coefficient of linear expansion (range 20o - T ) , [1/Grade] |
| l | - Termal (heat) condition coefficient , [Watt/(m·Grade)] |
| r | - Density , [kg/m3] |
| C | - Specific heat ( range 20o - T ), [J/(kg·Grade)] |
| R | - Electrical resistance , [Ohm·m] |
Machining performance
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Principal Design Features
One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.
Machinability
Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.
Heat Treatment
CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.
Welding
Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.
Forging
Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.