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UNS H41180

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UNS H41180 properties and heat treatment forged piece, Including UNS H41180 application and specifications, We have all specifications,Including UNS H41180 steel plate, UNS H41180 sheet, UNS H41180 square steel, UNS H41180 flat bar,UNS H41180 round bar,UNS H41180 forgings, we can own production and sales.


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We can produce the UNS H41180 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 UNS H41180 and Standards

AISI 4118H steel, annealed at 870°C (1600°F), furnace cooled at 11°C (20°F)/hour, 25 mm (1 in.) round
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series steel; Low Alloy Steel; Carbon Steel; Low Carbon steel
Material Notes: Heat treatment: annealed ( heated to 870°C, furnace cooled 11°C/hr to 620°C, air cooled).
Key Words: Alloy Steels, UNS H41180, ASTM A304, SAE J1268

Physical Properties Metric English Comments
Density  7.85 g/cc 0.284 lb/in³
 
Mechanical Properties Metric English Comments
Hardness, Brinell  137 137
Hardness, Knoop  157 157 Converted from Brinell hardness.
Hardness, Rockwell B  78 78 Converted from Brinell hardness.
Hardness, Vickers  36 36 Converted from Brinell hardness.
Tensile Strength, Ultimate  517 MPa 75000 psi
Tensile Strength, Yield  365 MPa 52900 psi
Elongation at Break  33.0 % 33.0 % in 50 mm
Reduction of Area  63.7 % 63.7 %
Modulus of Elasticity  205 GPa 29700 ksi Typical for steel
Bulk Modulus  140 GPa 20300 ksi Typical for steel
Poissons Ratio  0.290 0.290 Calculated
Machinability  60 % 60 % hot rolled and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus  80.0 GPa 11600 ksi Typical for steel
 
Electrical Properties Metric English Comments
Electrical Resistivity  0.0000245 ohm-cm 0.0000245 ohm-cm Typical 4000 series steel
 
Thermal Properties Metric English Comments
Specific Heat Capacity  0.475 J/g-°C 0.114 BTU/lb-°F Typical 4000 series steel
Thermal Conductivity  44.5 W/m-K 309 BTU-in/hr-ft²-°F Typical steel
 
Component Elements Properties Metric English Comments
Carbon, C  0.17 - 0.230 % 0.17 - 0.230 %
Chromium, Cr  0.30 - 0.70 % 0.30 - 0.70 %
Iron, Fe  97.5 - 98.7 % 97.5 - 98.7 % As remainder
Manganese, Mn  0.60 - 1.0 % 0.60 - 1.0 %
Molybdenum, Mo  0.080 - 0.15 % 0.080 - 0.15 %
Phosphorous, P  <= 0.035 % <= 0.035 %
Silicon, Si  0.15 - 0.30 % 0.15 - 0.30 %
Sulfur, S  <= 0.040 % <= 0.040 %

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AISI 4118H Steel, normalized at 910°C (1670°F), air cooled, 14 mm (0.55 in.) round
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AISI 4118H Steel, mock carburized, 150°C (300°F) temper, 14 mm (0.55 in.) round
AISI 4118 Steel, direct quenched from pot, carburized, 150°C (300°F) temper
AISI 4118H Steel, normalized at 910°C (1670°F), air cooled, 25 mm (1 in.) round

M4118T / 7480
 




Machining performance

Download UNS H41180 the mechanical properties of the report, the report provides detailed performance analysis and application. Download >>


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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