UNS G43370
UNS G43370 properties and heat treatment forged piece, Including UNS G43370 application and specifications, We have all specifications，Including UNS G43370 steel plate, UNS G43370 sheet, UNS G43370 square steel, UNS G43370 flat bar,UNS G43370 round bar,UNS G43370 forgings, we can own production and sales.
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We can produce the UNS G43370 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.
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Chemical composition % of the ladle analysis of grade UNS G43370 and Standards
UNS G43370 (AISI 4337 steel)
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series steel; Low Alloy Steel
Key Words: UNS G43370
Physical Properties Metric English Comments
Density 7.75 g/cc 0.280 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 435 435
Tensile Strength, Ultimate 1448 MPa 210000 psi
Tensile Strength, Yield 965 MPa
@Strain 0.200 % 140000 psi
@Strain 0.200 %
Elongation at Break 14.0 % 14.0 %
Modulus of Elasticity 201 - 209 GPa 29200 - 30300 ksi
Bulk Modulus 160 - 170 GPa 23200 - 24700 ksi
Poissons Ratio 0.270 - 0.300 0.270 - 0.300
Shear Modulus 81.0 - 82.0 GPa 11700 - 11900 ksi
Thermal Properties Metric English Comments
CTE, linear 11.3 µm/m-°C 6.28 µin/in-°F
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M4337 / 100234
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.