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HM21A-T81 Ti Alloy

Data Table for:Ti Alloy:HM21A-T81 Ti Alloy

Steel grade type Ti Alloy:
Standard
Production specifications Steel plate,Sheet, Coil,Flat bar,Round bar, Strip steel,wire,All kinds of forgings.
Mchining Turning
Milling
Grinding
Deep hole drilling: length max 9.8 meters.
Range of work

Round bar steel: 1mm to 2000mm

Square-shape steel: 10mm to 1000mm

steel Plate/sheet:0.08mm to 800mm

Width: 10mm to 1500mm

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: φ4-410 mm, with wall thickness ranging from 1-35 mm.

Heat treatment Normalizing,Annealing,Tempering,Quenching,Hardening and tempering,Seasoning,Surface hardening,Carburizing

HM21A-T81 Ti Alloy Chemical composition and Mechanical properties

 

Our advantages

HM21A-T81 properties and heat treatment forged piece, Including HM21A-T81 application and specifications, We have all specifications,Including HM21A-T81 steel plate, HM21A-T81 sheet, HM21A-T81 square steel, HM21A-T81 flat bar,HM21A-T81 round bar,HM21A-T81 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 HM21A-T81 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.

We serve you with our honesty, integrity, and professionality.


Chemical composition % of the ladle analysis of grade HM21A-T81 and Standards

 

Physical Properties Metric English Comments
Density 1.78 g/cc 0.0643 lb/in³
 
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 255 MPa 37000 psi
Tensile Strength, Yield 210 MPa 30500 psi
Elongation at Break 6.00 % 6.00 % in 50 mm
Modulus of Elasticity 45.0 GPa 6530 ksi In Tension
Compressive Yield Strength 180 MPa 26100 psi
Notched Tensile Strength 260 MPa 37700 psi 60° V-Notch, root radius 0.0076 mm.
Ultimate Bearing Strength 455 MPa 66000 psi
Bearing Yield Strength 320 MPa 46400 psi
Poissons Ratio 0.350 0.350
Machinability 100 % 100 % Relative Rating, 100=Best
Shear Modulus 17.0 GPa 2470 ksi
Shear Strength 170 MPa 24700 psi
 
Electrical Properties Metric English Comments
Electrical Resistivity 0.00000500 ohm-cm 0.00000500 ohm-cm
 
Thermal Properties Metric English Comments
Heat of Fusion 343 J/g 148 BTU/lb
CTE, linear 26.8 µm/m-°C
@Temperature 0.000 - 100 °C
14.9 µin/in-°F
@Temperature 32.0 - 212 °F
  27.0 µm/m-°C
@Temperature 20.0 - 200 °C
15.0 µin/in-°F
@Temperature 68.0 - 392 °F
Estimated from similar Mg alloys
Specific Heat Capacity 1.00 J/g-°C 0.239 BTU/lb-°F
Thermal Conductivity 135 W/m-K 937 BTU-in/hr-ft²-°F Estimated from trends in similar Mg alloys.
Melting Point 605 - 650 °C 1120 - 1200 °F
Solidus 605 °C 1120 °F
Liquidus 650 °C 1200 °F
 
Processing Properties Metric English Comments
Processing Temperature 455 - 595 °C 851 - 1100 °F Hot Working
Annealing Temperature 455 °C 851 °F
 
Component Elements Properties Metric English Comments
Magnesium, Mg 97.0 % 97.0 % As Remainder
Manganese, Mn 0.45 - 1.10 % 0.45 - 1.10 %
Thorium, Th 1.50 - 2.50 % 1.50 - 2.50 %

 




Machining performance

Download HM21A-T81 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.





Hot tags:HM21A-T81 steel plate, HM21A-T81 sheet, HM21A-T81 square steel, HM21A-T81 flat bar,HM21A-T81 round bar,HM21A-T81 forgings

Mechanical Properties

Properties Conditions
T (°C) Treatment
Density (×1000 kg/m3) 7.7-8.03 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
Tensile Strength (Mpa) 1158 25 oil quenched, fine grained, tempered at 425°C
Yield Strength (Mpa) 1034
Elongation (%) 15
Reduction in Area (%) 53
Hardness (HB) 335 25 oil quenched, fine grained, tempered at 425°C

Thermal Properties

Properties Conditions
T (°C) Treatment
Thermal Conductivity (W/m-K) 42.7 100  
Specific Heat (J/kg-K) 477 50-100  
Physical Properties
Quantity Value Unit
Thermal expansion 16 - 17 e-6/K
Thermal conductivity 16 - 16 W/m.K
Specific heat 500 - 500 J/kg.K
Melting temperature 1370 - 1400 °C
Service temperature 0 - 500 °C
Density 8000 - 8000 kg/m3
Resistivity 0.7 - 0.7 Ohm.mm2/m

Hot keywords:HM21A-T81 Ti Alloy

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