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1.4913*, DIN X19CrMoVNbN11-1
1.4913*, DIN X19CrMoVNbN11-1 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
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Flat bar standard Download
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Designation by Standards
| Brand Name | LH No. | Mat. No. | DIN | EN | AISI |
| PK323 | 323 | 1.4913* | X19CrMoVNbN11-1 | - | - |
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.19 | 0.30 | 0.55 | 10.75 | 0.75 | 0.55 | 0.20 | - | Nb=0.33, N=0.08, B=max. 0.0015 |
Description
PK323 is a creep-resistant material that is generally used for temperatures up to 600oC.
Applications
Application area: For fastening elements in thermal energy plants, screws, nuts.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 216, 200 (200oC), 179 (400oC), 127 (600oC)
Density [g/cm3]: 7.7
Thermal conductivity [W/m.K]: 29.5
Electric resistivity [Ohm mm2/m]: 0.60
Specific heat capacity[J/g.K]: 0.46
Magnetisable: Yes
Coefficient of Linear Thermal Expansion 10-6 oC-1
| 20-100oC | 20-600oC |
| 10.5 | 12.5 |
Annealing
Heat to 670-720oC, min. 2 hours. Structure is martensite.
Quenching
Harden from a temperature of 1100-1130oC followed by air or oil quenching.
Mechanical properties at at ambient temperature
Condition: Quenched and tempered, d<=160 mm
0.2 % proof stress: 750 N/mm2
Tensile strength: 900-1050 N/mm2
Elongation: 12%
Reduction: 40%
Charpy notch (ISO-V): 20 J (Longit.)
0.2 % Proof Stress in N/mm2 vs. Temperature in oC
Thickness <=160 mm, QT Condition
| 100oC | 150oC | 200oC | 250oC | 300oC | 350oC | 400oC | 450oC | 500oC | 550oC | 600oC |
| 701 | 676 | 651 | 643 | 627 | 610 | 577 | 544 | 495 | 412 | 305 |
Mecahnical properties at elevated temperatures
1% Creep Stress in N/mm2 vs. Temperature in oC
| Hours | 450oC | 500oC | 550oC | 600oC |
| 10 000 | 500 | 374 | 250 | 133 |
| 100 000 | 448 | 298 | 153 | - |
Creep Rupture Stress in N/mm2 vs. Temperature in oC
| Hours | 450oC | 500oC | 550oC | 600oC |
| 10 000 | 559 | 417 | 288 | 155 |
| 100 000 | 500 | 349 | 161 | 65 |
| 200 000 | 486 | 330 | 130 | 49 |
Forging
Hot forming temperature: 1100-850oC, slow cooling.
Machinability
Metal cutting machining is teh same as that for special engineering steel grades of corresponding strength.
Welding
PK323 should not be welded.
Note: Quenching and tempering treatment must always be carried out after hot forming.
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