• ICI 4340 Valve
  • ICI 4340 Flange
  • ICI 4340 pipe fitting
  • ICI 4340 angle bar
  • ICI 4340 pipe
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ICI 4340

ICI 4340 angle bars, ICI 4340 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 ICI 4340 chemical composition and ICI 4340 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.

ICI 4340

Data Table for:Products: Alloy steel:ICI 4340

ICI 4340 properties and heat treatment forged piece, Including ICI 4340 application and specifications, Including ICI 4340 tube plate, ICI 4340 tube sheet, ICI 4340 Pipe fittings, ICI 4340 flat bar,ICI 4340 Valve,ICI 4340 forgings.

ICI 4340 has the following specifications:

Chemical composition % of the ladle analysis of grade ICI 4340 and Standards

Cr Ni
0.35-0.45 0.2-0.8 0.7-1.0 0.04 0.045 0.7-0.9 1.65-2.0
Mo Al Cu Nb Ti W Ce
0.2-0.3   0.5     0.1  

Machining performance

ICI 4340 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.


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.


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.


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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