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1.4748, DIN X85CrMoV18-2
1.4748, DIN X85CrMoV18-2 standard Download, We provide the main countries around the ISO standard download, including: AISI(US),UNS(US),SAE(US),ASTM(US),AMS(US),ASME(US),MIL(US),FED(US),DIN(DEU),JIS(JPN),AFNOR(FR),B.S.(UK),SS(SWE),UNI(ITA).
Production specification
Round bar standard Download
Square-shape steel standard Download
Plate steel standard Download
Billet standard Download
Flat bar standard Download
wire standard Download
tube standard Download
pipe standard Download
Forging standard Download
casting standard Download
sheet standard Download
round bar standard Download
coil standard Download
Bar stock standard Download
profiled bar standard Download
Square-shape steel standard Download
Plate steel standard Download
Billet standard Download
Flat bar standard Download
wire standard Download
tube standard Download
pipe standard Download
Forging standard Download
casting standard Download
sheet standard Download
round bar standard Download
coil standard Download
Bar stock standard Download
profiled bar standard Download
Designation by Standards
| Brand Name | LH No. | Mat. No. | DIN | EN | AISI |
| PK329 | 329 | 1.4748 | X85CrMoV18-2 | - | - |
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.85 | max. 1.00 | max. 1.50 | 17.50 | 2.25 | - | 0.45 | - | - |
Description
The martensitic chromium-molybdenum-vanadaium steel PK329 is corrosion and heat resistant, and it has good mechanical properties at operating temperatures up to 700oC. This steel has good wear resistance.
Applications
Intake valves for heavy duty engines and exhaust valves for medium service requirements. Valve seat inserts.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 226
Density [g/cm3]: 7.7
Thermal conductivity [W/m.K]: 21.0
Electric resistivity [Ohm mm2/m]: 0.65
Specific heat capacity[J/g.K]: 0.50
Magnetisable: Yes
Coefficient of Linear Thermal Expansion 10-6 oC-1
| 20-100oC | 20-300oC | 20-500oC | 20-700oC |
| 10.9 | 11.5 | 11.7 | 11.9 |
Soft Annealing
Heat to 820-860oC, cool slowly in air.
Hardening
Harden from a temperature of 1050-1080oC followed by oil quenching.
Tempering
Tempering temperature: 700-750oC
Mechanical properties at at ambient temperature
Condition: Tempered
Hardness: 355 HB
0.2% proof stress: 800 N/mm2
Tensile strength: 1000-1200 N/mm2
Elongation: 7%
Reduction: 12%
Condition: Hardened
Hardness: 296 HB
0.2% proof stress: 800 N/mm2
Tensile strength: 1000-1200 N/mm2
Elongation: 7%
Reduction: 12%
0.2% Proof Stress in N/mm2 vs. Temperature in oC
| 500oC | 550oC | 600oC | 650oC | 700oC | 750oC | 800oC |
| 500 | 370 | 280 | 170 | 120 | 80 | - |
Tensile Strength in N/mm2 vs. Temperature in oC
| 500oC | 550oC | 600oC | 650oC | 700oC | 750oC | 800oC |
| 550 | 400 | 300 | 230 | 180 | 140 | - |
Forging
Hot forming temperature: 1100-900oC, slow cooling.
Machinability
No data.
Corrosion Resistance
Good hot corrosion and oxidation resistance up to 750oC, also in presence of combustion gases from aggressive fuels.
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