- 1.4104, DIN X14CrMoSI7, AISI 430F round bar
- 1.4104, DIN X14CrMoSI7, AISI 430F forging
- 1.4104, DIN X14CrMoSI7, AISI 430F sheet
- 1.4104, DIN X14CrMoSI7, AISI 430F flat bar
- 1.4104, DIN X14CrMoSI7, AISI 430F pipe
1.4104, DIN X14CrMoSI7, AISI 430F
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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1.4104, DIN X14CrMoSI7, AISI 430F
Designation by Standards
Brand Name | LH No. | Mat. No. | DIN | EN | AISI |
PK339 | 339 | 1.4104 | X14CrMoSI7 | X14CrMoS17 | 430F |
Chemical Composition (in weight %)
C | Si | Mn | Cr | Mo | Ni | V | W | Others |
max. 0.14 | max. 1.00 | max. 1.50 | 16.50 | 0.40 | - | - | - | - |
Description
This is a free machining version of 430. A basic ferritic, non-heat treatable, 17% chromium stainless with moderate strength and corrosion resistance.
Applications
Not to be used for containing high pressure gas or liquid due to its porosity. Successfully used in a variety of aircraft parts including fasteners, gears, shafts and pinions. PK340 is preferably used for the metal-cutting manufacture of relativelly small parts, such as bolts, nuts, shafts, amd other machine parts, which is not subjcet to any particular corrosion stress, e.g. in water meters, gas meters and switchgear.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 215, 205 (200oC), 190 (400oC)
Density [g/cm3]: 7.7
Thermal conductivity [W/m.K]: 25.0
Electric resistivity [Ohm mm2/m]: 0.70
Specific heat capacity[J/g.K]: 0.46
Magnetisable: Yes
Coefficient of Linear Thermal Expansion 10-6 oC-1
20-100oC | 20-200oC | 20-400oC |
10.0 | 10.5 | 10.5 |
Continuous Cooling Transformation (CCT) Diagram
Time-Temperature Transformation (TTT) Diagram
Soft Annealing
Heat to 750-850oC, cool slowly in furnace. Structure is ferrite with spherical carbides.
Quenching
Harden from a temperature of 950-1070oC followed by oil or air (sufficiently fast) quenching.
Tempering
Tempering temperature: 550-650oC, structure is transformation structure with ferrite.
Mechanical properties at at ambient temperature
Condition: Annealed, diamter d<=60 mm
Tensile strength: max. 700 N/mm2
Hardness: max. 220 HB
Condition: Quenched and tempered at 650oC, diameter 60<=d<=260 mm
0.2% proof stress: 500 N/mm2
Tensile strength: 650-850 N/mm2
Elongation: 10% (Longit.)
Forging
Hot forming temperature: 1100-800oC, slow cooling in air.
Machinability
Excellent chip breakage due to the addition of sulfur. Good speeds and feeds are possible with this alloy.
Welding
Not recommended for welding due to its high sulfur content. If welding is necessary, utilize low heat settings and filler metal of AWS E/ER430 for best results
Corrosion Resistance
Resistant to gas and oil, atmosphere, fresh water , nitric acid and many organic compounds.
Cold working
This alloy will only withstand moderate cold forming.
Mechanical properties
Heat treatment
Machining
Welding performance
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