440
440 properties and heat treatment forged piece, Including 440 application and specifications, We have all specifications，Including 440 steel plate, 440 sheet, 440 square steel, 440 flat bar,440 round bar,440 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 440 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 440 and Standards
440 Step Shaft 440 Tube 440 Pie-shaped 440 Ring 440 Module 440 Large valves of the main 440 Other Profiled Forgings
Detailed Product Description
High-quality Hot Working Mould steel.
We have the absolute price advantage and technological advantages.
Rich in power resources and strong technical force, so that our special steel products have the absolute price
advantage and technological superiority.
Forged/Hot rolled steel: Round bar/Square bar/Plate/Coil/Wire/Forging
Size:
Round Bar: Dia 1mm to 2000mm
quardrant iron, square bar iron, square steel : Dia 30mm to 600mm
Flat/Plate: Thickness: 0.5mm to 700mm
Width: 20mm to 2000mm
Length: According to client's requirements.
Forging or rolled steel : Step Shaft/Tube/Pie-shaped/Ring/Module/Large valves of the main/Other Profiled Forgings
Delivery Condition: Hot Forged/Hot rolled + Annealing/Normalizing/Tempering/Quenching and
tempering/Solution/Aging/Slow Cooling
Surface Quality: Black Surface/Grinding Surface/Roughing/Finish Machining
Smelting Process: EAF+LF+VD(+ESR)+vacuum arc melting furnace
Ultrasonic Test: According to the customer's technical standards to ensure pass the ultrasonic flaw detection.
We do hope the regular trade relations can be established between us.With our joint efforts, we believe trade
between us will surely develop fast and to our mutual benefit.
If there is any question or suggestion, please don't hesitate to tell us.We shall be pleased to make efforts to meet
your requirements.
We are expecting cooperating with you sincerely and tightly details will be checked when firm inquiry.
Machining performance
Download 440 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.