- UNS H40420 Valve
- UNS H40420 Flange
- UNS H40420 pipe fitting
- UNS H40420 angle bar
- UNS H40420 pipe
UNS H40420
UNS H40420 Valves, UNS H40420 flanges, Pipe Fitting, Steel Pipe, Heat Exchanger and Reducer, Gasket, Tee, Pipe Fitting, Tube Plate, have all specifications. With many yeas production experience, strict control UNS H40420 chemical composition and UNS H40420 mechanical properties.
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.
Angle bar: 1mm to 1300mm
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.
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 H40420 and Standards
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AISI 4042H steel |
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Categories: |
Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series steel; Low Alloy Steel; Carbon Steel; Medium Carbon steel |
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Material Notes: |
Oil quenched. Forging temp.: 1230 °C (2250°F) max. Annealing temp.: 830°C - 925°C (max. hardness 183 HB). Normalizing temp.: 855 - 955°C (approx. hardness 235 HB). Hardening temp.: 830 - 855°C |
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Key Words: |
Alloy Steels, UNS H40420, ASTM A304, SAE J1268 |
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Physical Properties |
Metric |
English |
Comments |
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Density |
7.85 g/cc |
0.284 lb/in³ |
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Mechanical Properties |
Metric |
English |
Comments |
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Hardness, Brinell |
179 - 229 |
179 - 229 |
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Hardness, Knoop |
226 |
226 |
Converted from Brinell hardness. |
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Hardness, Rockwell B |
93 |
93 |
Converted from Brinell hardness. |
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Hardness, Rockwell C |
14.0 |
14.0 |
Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only. |
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Hardness, Vickers |
214 |
214 |
Converted from Brinell hardness. |
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Modulus of Elasticity |
205 GPa |
29700 ksi |
Typical for steel |
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Bulk Modulus |
140 GPa |
20300 ksi |
Typical for steel |
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Poissons Ratio |
0.290 |
0.290 |
Calculated |
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Machinability |
65 % |
65 % |
annealed and cold drawn. Based on 100% machinability for AISI 1212 steel. |
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Shear Modulus |
80.0 GPa |
11600 ksi |
Typical for steel |
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Electrical Properties |
Metric |
English |
Comments |
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Electrical Resistivity |
0.0000245 ohm-cm |
0.0000245 ohm-cm |
Typical 4000 series steel |
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Thermal Properties |
Metric |
English |
Comments |
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Specific Heat Capacity |
0.475 J/g-°C |
0.114 BTU/lb-°F |
Typical 4000 series steel |
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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 |
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Carbon, C |
0.390 - 0.460 % |
0.390 - 0.460 % |
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Iron, Fe |
97.82 - 98.66 % |
97.82 - 98.66 % |
As remainder |
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Manganese, Mn |
0.60 - 1.0 % |
0.60 - 1.0 % |
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Molybdenum, Mo |
0.20 - 0.30 % |
0.20 - 0.30 % |
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Phosphorous, P |
<= 0.035 % |
<= 0.035 % |
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Silicon, Si |
0.15 - 0.35 % |
0.15 - 0.35 % |
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Sulfur, S |
<= 0.040 % |
<= 0.040 % |
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Machining performance
UNS H40420 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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