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AISI Type 434

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AISI Type 434 properties and heat treatment forged piece, Including AISI Type 434 application and specifications, We have all specifications,Including AISI Type 434 steel plate, AISI Type 434 sheet, AISI Type 434 square steel, AISI Type 434 flat bar,AISI Type 434 round bar,AISI Type 434 forgings, we can own production and sales.


Introduction to Our Products:

Specialized high quality steel

We have the advantages of equipment, technologies and price

forged/hot rolling/ extrusion of steel


We can produce the AISI Type 434 has the following specifications:

Round bar steel: 1mm to 3000mm

Square-shape steel: 1mm to 2000mm

Plate steel:0.1mm to 2500mm

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: φ6-219 mm, 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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Chemical composition % of the ladle analysis of grade AISI Type 434 and Standards

Category  steel
Class  Stainless steel
Type  Ferritic standard
Common Names  Chromium steel
Designations  France: AFNOR Z 8 CD 17.01
Germany: DIN 1.4113
Italy: UNI X 8 CrMo 17
Japan: JIS SUS 434
Sweden: SS 2325
United Kingdom: B.S. 434 S 19
United States: ASTM A65i , SAE 51434 , SAE J405 (51434) , UNS S43400

Composition
Element Weight %
C  0.12 
Mn  1.00 
Si  1.00 
Cr  16.0-18.0 
P  0.04 
S  0.03 
Mo  0.75-1.25 

Mechanical Properties
Properties  Conditions 
T (°C) Treatment
Density (×1000 kg/m3) 7.8 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 200 25  
Tensile Strength (Mpa) 545  25  annealed (sheet) more
Yield Strength (Mpa) 415 
Elongation (%) 33 
Reduction in Area (%) 78 
Hardness (HRB) 83 (max)  25  annealed (wire) more

Thermal Properties
Properties  Conditions 
T (°C) Treatment
Thermal Expansion (10-6/ºC) 10.4  0-100 more  
Thermal Conductivity (W/m-K) 26.3  500   
Specific Heat (J/kg-K) 460  0-100   

Electric Properties
Properties  Conditions 
T (°C) Treatment
Electric Resistivity (10-9W-m) 600  25   




Machining performance

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Principal Design Features

One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.


Machinability

Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.


Heat Treatment

CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.


Welding

Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.


Forging

Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.





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