- 1.4034, DIN X46Cr13, AISI 420 round bar
- 1.4034, DIN X46Cr13, AISI 420 forging
- 1.4034, DIN X46Cr13, AISI 420 sheet
- 1.4034, DIN X46Cr13, AISI 420 flat bar
- 1.4034, DIN X46Cr13, AISI 420 pipe
1.4034, DIN X46Cr13, AISI 420
Production specification
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
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: φ6-1800mm, 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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1.4034, DIN X46Cr13, AISI 420
Designation by Standards
Brand Name | LH No. | Mat. No. | DIN | EN | AISI |
PK4EX | 902 | 1.4034 | X46Cr13 | X45Cr13 | 420 |
Chemical Composition (in weight %)
C | Si | Mn | Cr | Mo | Ni | V | W | Others |
0.47 | max. 1.0 | max. 1.0 | 13.50 | - | - | - | - | - |
Description
Steel 420 displays the best corrosion resistance in hardened condition with a surface polished to give a mirror finisih.
Applications
All kinds of cutting tools - knives, shears, surgical instruments, moulds for plastics production, as well as for surgical instruments and measuring gauges.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 220
Density [g/cm3]: 7.73
Thermal conductivity [W/m.K]: 30.0
Electric resistivity [Ohm mm2/m]: 0.65
Specific heat capacity[J/g.K]: 0.46
Coefficient of Linear Thermal Expansion 10-6 oC-1
20-100oC | 20-200oC | 20-300oC | 20-400oC | 20-500oC |
10.5 | 11.0 | 11.0 | 11.5 | 12.0 |
Modulus of Elasticity [103 N/mm2]
20oC | 200oC | 400oC |
220 | 205 | 190 |
Continuous Cooling Transformation (CCT) Diagram
Soft Annealing
Heat to 730-780oC, cool slowly in furnace or air. Structure is ferrite with spherical carbides.
Hardening
Harden from a temperature of 980-1030oC followed by oilor air quenching. Hardness after quenching is 56 HRC.
Tempering
Tempering temperature: 100-200oC.
Tempering Temperature (oC) vs. Hardness (HRC)
20oC | 100oC | 200oC | 300oC | 400oC | 500oC | 600oC |
56 | 56 | 55 | 52 | 51 | 52 | 42 |
Tempering Diagram
Forging
Hot forming temperature: 1100-800oC.
Machinability
Similar to machining some of the high carbon steel/" target="_blank" class="keylink">tool steel, this alloy has tough, stringy chip build-up.
Corrosion Resistance
420 is resistant to the atmosphere, fresh water, dilute acids and alkalis and fruit and vegetable juices.
Welding
Not commonly welded due to its air hardening characteristics. Welding may be performed after preheating to 149-204oC with post weld tempering at temperature for 2 hours . Filler metal should be AWS E/ER420.
Note: The hot forming temperature stated should not be exceeed, as harmful grain coarsening and simultaneous formation of a carbide network along the grain boundaries will otherwise occur. This results in poor developmnet of hardness and a decline in toughness and elasticity in hardened condition.
Mechanical properties
Heat treatment
Machining
Welding performance
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