- 1.4313, DIN X4CrNi134, AISI CA6-NM round bar
- 1.4313, DIN X4CrNi134, AISI CA6-NM forging
- 1.4313, DIN X4CrNi134, AISI CA6-NM sheet
- 1.4313, DIN X4CrNi134, AISI CA6-NM flat bar
- 1.4313, DIN X4CrNi134, AISI CA6-NM pipe
1.4313, DIN X4CrNi134, AISI CA6-NM
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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1.4313, DIN X4CrNi134, AISI CA6-NM
Designation by Standards
Brand Name | LH No. | Mat. No. | DIN | EN | AISI |
PK340 | 340 | 1.4313 | X4CrNi134 | X3CrNiMo13-4 | CA6-NM |
Chemical Composition (in weight %)
C | Si | Mn | Cr | Mo | Ni | V | W | Others |
max. 0.05 | max. 0.60 | max. 1.00 | 13.25 | 0.55 | 4.00 | - | - | - |
Description
Steel PK340 has a good strength and toughness properties in combination with good corrosion resistance and realiable weldability.
Applications
Steel is used for parts subjected to high mechanical stress in fittings and pump construction, for compressors and turbine in hydroelectric power station,and in crude oil and refrigerating systems.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 200, 185 (200oC), 170 (400oC)
Density [g/cm3]: 7.7
Thermal conductivity [W/m.K]: 25.0
Electric resistivity [Ohm mm2/m]: 0.6
Specific heat capacity[J/g.K]: 0.43
Magnetisable: Yes
Coefficient of Linear Thermal Expansion 10-6 oC-1
20-100oC | 20-200oC | 20-300oC |
10.5 | 10.9 | 11.6 |
Soft Annealing
Heat to 600-650oC, cool slowly in furnace.
Hardening
Harden from a temperature of 950-1050oC followed by oil or air quenching.
Tempering
Tempering temperature:
QT 650: 650-700oC + 600-620oC
QT 780: 550-600oC
QT 900: 520-580oC
Structure after tempering is martensit with small ferrite component.
Mechanical properties at at ambient temperature
Condition: Annealed
Hardness: 320 HB
Tensile strength: max. 1100 N/mm2
For QT 650
0.2% Proof Stress: 520 N/mm2
Tensile strength: 650-820 N/mm2
Elongation (A5): 15% (Longit., d<=60 mm), 12% (Transv., 160<=d<=250 mm)
Notch impact energy (ISO-V): 70 J (Longit., d<=60 mm), 50 J (Transv., 160<=d<=250 mm)
For QT 780
0.2% Proof Stress: 620 N/mm2
Tensile strength: 780-980 N/mm2
Elongation (A5): 15% (Longit., d<=60 mm), 12% (Transv., 160<=d<=250 mm)
Notch impact energy (ISO-V): 70 J (Longit., d<=60 mm), 50 J (Transv., 160<=d<=250 mm)
For QT 900
0.2% Proof Stress: 800 N/mm2
Tensile strength: 900-110 N/mm2
Elongation (A5): 12% (Longit., d<=60 mm), 10% (Transv., 160<=d<=250 mm)
Notch impact energy (ISO-V): 50 J (Longit., d<=60 mm), 40 J (Transv., 160<=d<=250 mm)
0.2% Proof Stress in N/mm2 vs. Temperature in oC
Condition | 100oC | 150oC | 200oC | 250oC | 300oC | 350oC |
QT 650 | 500 | 490 | 480 | 470 | 460 | 450 |
QT 780 | 590 | 575 | 560 | 545 | 530 | 515 |
QT 900 | 720 | 690 | 665 | 640 | 620 | - |
Forging
Hot forming temperature: 1150-900oC, slow cooling in air.
Machinability
Metal cutting machining is the same as that for alloyed special engineering steel grades of corresponding strength.
Note: PK340 is usually supplied in three tempering satges. Hot or cold forming in quenched condition is not envisaged. The annealing colours or scaling occours during welding impair the corrosion resistance. They must removed by pickling, grinding or sand-balsting (iron-free).
Welding
Good weldability using the manual arc. TIG and submerged-arc welding processes. The filler material is Thermanit.
Mechanical properties
Heat treatment
Machining
Welding performance
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