- UNS G40230 Valve
- UNS G40230 Flange
- UNS G40230 pipe fitting
- UNS G40230 angle bar
- UNS G40230 pipe
UNS G40230
Production specification
Data center describes many of the common steel models, we can not determine the company's warehouse has all types of steel products inventory or raw materials.
Steel Pipe: 1 - 1300mm, also can be customed.
Pipe fitting Size: 1/8 inch - 80 inch (DN6 - DN2000)
Flange Size: DN6 - DN2000
Lenth: Any lenth based on the customer's requirement.
Chemical composition % of the ladle analysis of grade UNS G40230 and Standards
AISI 4023 steel, normalized at 925°C (1700°F), machined to 25 mm (1 in.) rounds, pseudocarburized at 925°C (1700°F), box cooled to RT, reheated to 775°C (1430°F) and oil quenched, 150°C (300°F) temper
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series steel; Low Alloy Steel; Carbon Steel; Low Carbon steel
Material Notes: Specimens were machined to 12.8 mm (0.505 in.) rounds and tested; Forging temp.: 1230°C (2250°F). Normalizing temp.: 900 - 955°C. Carburizing temp.: 900 - 925°C. Tempering temp.: 120 - 175°C.
Key Words: UNS G40230, ASTM A29, ASTM A29M, ASTM A322, ASTM A331, ASTM A519, ASTM A534, ASTM A752, SAE 770, SAE J404, SAE J412, SAE J770
Physical Properties |
Metric |
English |
Comments |
Density |
7.85 g/cc |
0.284 lb/in³ |
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Mechanical Properties |
Metric |
English |
Comments |
Hardness, Brinell |
223 |
223 |
|
Hardness, Knoop |
246 |
246 |
Converted from Brinell hardness. |
Hardness, Rockwell B |
96 |
96 |
Converted from Brinell hardness. |
Hardness, Rockwell C |
18.0 |
18.0 |
Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only. |
Hardness, Vickers |
235 |
235 |
Converted from Brinell hardness. |
Tensile Strength, Ultimate |
724 MPa |
105000 psi |
|
Tensile Strength, Yield |
415 MPa |
60200 psi |
|
Elongation at Break |
19.0 % |
19.0 % |
in 50 mm |
Reduction of Area |
48.0 % |
48.0 % |
|
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 |
70 % |
70 % |
hot rolled and cold drawn. Based on 100% machinability for AISI 1212 steel. |
Shear Modulus |
80.0 GPa |
11600 ksi |
Typical for steel |
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Electrical Properties |
Metric |
English |
Comments |
Electrical Resistivity |
0.0000245 ohm-cm |
0.0000245 ohm-cm |
Typical 4000 series steel |
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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 |
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Component Elements Properties |
Metric |
English |
Comments |
Carbon, C |
0.20 - 0.25 % |
0.20 - 0.25 % |
|
Iron, Fe |
98.13 - 98.75 % |
98.13 - 98.75 % |
As remainder |
Manganese, Mn |
0.70 - 0.90 % |
0.70 - 0.90 % |
|
Molybdenum, Mo |
0.20 - 0.30 % |
0.20 - 0.30 % |
|
Phosphorous, P |
<= 0.035 % |
<= 0.035 % |
|
Silicon, Si |
0.15 - 0.35 % |
0.15 - 0.35 % |
|
Sulfur, S |
<= 0.040 % |
<= 0.040 % |
|
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AISI 4024 Steel
AISI 4023 Steel, normalized at 925°C (1700°F), machined to 25 mm (1 in.) rounds, pseudocarburized at 925°C (1700°F), box cooled to RT, reheated to 800°C (1470°F) (1475°F) and oil quenched, 150°C (300°F) temper
AISI 4027 Steel, annealed, 25 mm (1 in.) round
M4023A / 7426
Machining performance
UNS G40230 the mechanical properties of the report, the report provides detailed performance analysis and application.
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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