Khaitan Steel Forgings
Khaitan Steel Forgings
Amraiwadi, Ahmedabad, Gujarat
GST No. 24AAMFK9555G1ZY
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Alloy Steel Bars and Pipes

Our range of products include 3m alloyed steel round bar, 6m alloyed steel round bar, aisi 4340 alloyed steel round bar, alloy steel round bar, alloy steel round pipe and industrial alloyed steel round bar.

3m Alloyed Steel Round Bar

3m Alloyed Steel Round Bar
  • 3m Alloyed Steel Round Bar
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Approx. Price: Rs 40 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
Single Piece Length3 meter
ShapeRound
MaterialAlloy Steel
Thickness/Diameter1-2 inch
TechniqueHot Rolled

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6m Alloyed Steel Round Bar

6m Alloyed Steel Round Bar
  • 6m Alloyed Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
Single Piece Length6 meter
Thickness/Diameter1-3 inch
MaterialAlloyed Steel
ShapeRound
TechniqueHot Rolled

DIN 41Cr4 and DIN 42CrMo4 materials have been widely used in automotive driving elements. Although 42CrMo4 is more expensive than 41Cr4, it is more preferable in terms of material properties. In this study, these two materials were heat treated by austenitizing in a continuous furnace at 850 °C and quenched in oil at 90 °C. After they were tempered at various temperatures, mechanical properties were determined for each tempering temperature. The material properties for both materials were compared with each other.


Heat Treatment:

  • Forging:Heat to 1150°C Hold until uniform.Minimum forging temperature 850°C.
  • Cool slowly in ashes or sand etc.
  • Annealing:Heat to 830°C – 850°C. Cool in furnace.
  • Normalising:Heat to 870°C – 900°C. Cool in still air.

Forging:
  • Heat to 1150°C Hold until uniform.Minimum forging temperature 850°C.Cool slowly in ashes or sand etc.
  • Annealing:Heat to 830°C – 850°C. Cool in furnace.
  • Normalising: Heat to 870°C – 900°C. Cool in still air. Weld ability
  • Readily welded in the annealed condition but avoid when possible if hardened and tempered due to the effect on the mechanical properties.
  • Welding in the nitrided, flame or induction hardened condition is not recommended.

 

Chemical Composition:

PropertiesMetricImperial
Hardness, Brinell (typical)30033
Hardness, Rockwell C (typical)3030
Tensile strength, ultimate965-1030 MPa140000-150000 psi
Tensile strength, yield
827-862 MPa120000-125000 psi

Elongation at break (in 50 mm (2"))20.0%20.0%
Compressive strength862 MPa125000 psi
Charpy impact (V-Notch)27.1-33.9 J20.0-25.0 ft-lb
Poisson''s ratio0.27-0.300.27-0.30
Elastic modulus190-210 GPa27557-30457 ksi

Temperature °C:
Hot formingNarmalaizing+NQuenching+QQuenching+QTempering+TStress-relieving+SR
1100-850870air860 oil or polymer850 water540-68050°C under the temperature
Soft annealing+AIsothermal annealing+iSpheroidizing annealing+ACEnd Quench hardenability testPre heating weldingStress-relieving after welding
720 air(HP max 241)820 fumace cooling to 670,then air (HB max 200)840 water300550 fumace cooling
Ac1Ac3MsMf
745790335120

 

Mechanical Properties((Hardened and Tempered):

Dia Scope(mm)Tensile Strength Rm (Mpa)Yield Strength R2 (Mpa)Elongation (longitudinal direction) Al (%)Reduction of area (%)Impact Energy Joules (-20°C)
16 max1100-1300900 min10 min40 min30 min
16-401000-1200750 min11 min45 min35 min
40-100900-1100650 min12 min50 min35 min
100-160800-950650 min13 min50 min35 min
160-250750-900500 min14 min55 min35 min
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AISI 4340 Alloyed Steel Round Bar

AISI 4340 Alloyed Steel Round Bar
  • AISI 4340 Alloyed Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
Single Piece Length3-6 meter
Thickness/Diameter1-3 inch
MaterialAlloyed Steel
StandardAISI 4340
ShapeRound

Machinability:
  • AISI 4340 alloy steel can be machined using all conventional techniques.
  • Machining process can be performed in the annealed or normalized and tempered conditions.

Forming:
  • AISI 4340 alloy steel has good ductility and formability in the annealed condition.
  • It can be bent or formed by pressing or spinning in the annealed state.

Welding:
  • AISI 4340 alloy steel can be welded using fusion or resistance welding methods.
  • Preheat and post heat weld procedures are followed while welding this steel by established methods.

Heat Treatment:
  • AISI 4340 alloy steel is heat treated at 830°C (1525°F) followed by quenching in oil.

Forging:
  • AISI 4340 alloy steel is forged at 427 to 1233°C (1800 to 2250°F).

Cold Working:
  • AISI 4340 alloy steel can be cold worked using all conventional methods in the annealed condition.
  • It has high ductility.

Annealing:
  • AISI 4340 alloy steel is annealed at 844°C (1550°F) followed by cooling the furnace.

Tempering:
  • AISI 4340 alloy steel should be in the heat treated or normalized and heat treated condition before tempering.
  • Tempering temperatures depend upon the desired strength level.

Hardening:
  • AISI 4340 alloy steel can be hardened by cold working or heat treatment.

 

Chemical Composition:

ElementMinMax
Carbon, C
0.350.45
Manganese, Mn
0.450.70
Silicon, Si
0.100.35
Nickel, Ni
1.31.8
Molybdenum, Mo
0.200.35
Chromium,Cr
0.901.40
Sulfur, S
-.--0.5
Phosphorous, P
-.--0.5

Mechanical Properties:
PropertiesMetricImperial
Tensile strength745 MPa108000 psi
Yield strength470 MPa68200 psi
Bulk modulus (typical for steel)140 GPa20300 ksi
Shear modulus (typical for steel)80 GPa11600 ksi
Elastic modulus190-210 GPa27557-30458 ksi
Poisson''s ratio0.27-0.300.27-0.30
Elongation at break0.220.22
Reduction of area0.50.5
Hardness, Brinell217217
Hardness, Knoop (converted from Brinell hardness)240240
Hardness, Rockwell B (converted from Brinell hardness)9595
Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only)1717
Hardness, Vickers (converted from Brinell hardness)228228
Machinability (annealed and cold drawn. Based on 100 machinability for AISI 1212 steel.)5050

Thermal Properties:
PropertiesMetricImperial
Thermal expansion co-efficient (20°C/68°F, specimen oil hardened, 600°C (1110°F) temper12.3 µm/m°C6.83 µin/in°F
Thermal conductivity (typical steel)44.5 W/mK309 BTU in/hr.ft².°F
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Alloy Steel Round Bar

Alloy Steel Round Bar
  • Alloy Steel Round Bar
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Approx. Price: Rs 65 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
Single Piece Length3-6 meter
Thickness/Diameter1-2 inch
ShapeRound
MaterialAlloy Steel
TechniqueHot Rolled

34CrNiMo6, it is one kind of Quench and tempering special CrNiMo steel material, characterized by high tensile strength and high toughness. It is suitable to the manufacture of components of maximum thickness equal to 120 mm meanly or strongly stressed and even with acomplicated geometry (shafts, camshafts, axles, levers, connecting rods, rocker arms, gear wheels). Advised austenitic grain dimension > 5 according to UNI 3245 (similar to ASTM E 112-82).

Normalizing:
  • Normalizing temperature: 850.0°C

    Forging:
      • Hot forming temperature: 1100-900°C

      Corrosion Resitance:
      • This is a low alloy steel and rota corrosion resistant alloy
      • Prolect: Ne coating shoud be used

      Welding:
      • The alloy can be fusion or resistance welded. Preheat and post heat wed procedures should be followed when welding this alloy by established methods.

      Hardening:
      • Harden from a temperature of 830-860°C followed by oil quenching.
      • Quenching temperature in the end-quench test is 850°C

      Stress Relieving:
      • Stress relieving to remove machining stresses should be carried out by heating to approx. 650°C. holding for 1-2 hours at heat, followed by a, cooling
      • This operation is perform. to r.uce distortion during heat treatment


      Cold working:

      • The VCH1,10150 alloy may be cold worked, in the annealed condion, by conventional methods and tooling. Chas good ductility.

       

      Chemical Composition:

      PropertiesMetricImperial
      Hardness, Brinell (typical) 300 33
      Hardness, Rockwell C (typical) 30 30
      Tensile strength, ultimate 965-1030 MPa 140000-150000 psi
      Tensile strength, yield
      827-862 MPa 120000-125000 psi

      Elongation at break (in 50 mm (2")) 20.0% 20.0%
      Compressive strength 862 MPa 125000 psi
      Charpy impact (V-Notch) 27.1-33.9 J 20.0-25.0 ft-lb
      Poisson's ratio 0.27-0.30 0.27-0.30
      Elastic modulus 190-210 GPa 27557-30457 ksi

      Physical Properties:
      Diameter(mm)0.2%proof stress(N/mm2)Tensile strength(N/mm2)Elongation of area(%)Reduction of area(%)Notch impact energy (ISO-V) (J)
      up to 16 980 1180-1380 9 40 41
      17-40 885 1080-1280 10 45 48
      41-100 785 980-1180 11 50 48
      101-160 685 880-1180 12 55 48
      161-250 590 780-930 13 55 48


      Heat Treatment And Hot Plastic Deformation Temperatures:

      Temperature ° CCooling Medium
      Hot plastic deformation 850-1100 /
      Normalizing 850-880 air
      Soft Annealing 650-680 air
      Quenching 830-860 oil
      Tempering 540-660 air
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      Alloy Steel Round Pipe

      Alloy Steel Round Pipe
      • Alloy Steel Round Pipe
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      Approx. Price: Rs 60 / KgGet Latest Price

      Product Details:

      Outer Diameter1-3 inch
      MaterialAlloy Steel
      Unit Pipe Length3-6 meter
      ShapeRound
      Usage/ApplicationIndustrial
      TechniqueHot Rolled

      Wew are offering wide range of Alloy Steel Round Pipe to our clients. 
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      Industrial Alloyed Steel Round Bar

      Industrial Alloyed Steel Round Bar
      • Industrial Alloyed Steel Round Bar
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      Approx. Price: Rs 60 / KgGet Latest Price

      Product Details:

      Usage/ApplicationIndustrial
      Single Piece Length3-6 meter
      MaterialAlloy Steel
      ThicknessUpto 8 mm
      ShapeRound
      TechniqueHot Rolled

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      Industrial SAE 4140 Alloyed Steel Round Bar

      Industrial SAE 4140 Alloyed Steel Round Bar
      • Industrial SAE 4140 Alloyed Steel Round Bar
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      Approx. Price: Rs 65 / KgGet Latest Price

      Product Details:

      Material GradeSAE 4140
      Usage/ApplicationIndustrial
      Single Piece Length3-6 m
      Thickness/Diameter1-2 inch
      MaterialAlloyed Steel
      ShapeRound
      TechniqueHot Rolled

      4140 is a 1% chromium-molybdenum medium harden ability general purpose high tensile steel-generally supplied hardened and tempered in the tensile range of 850-1000 Mpa (condition T). 4140 available, which greatly increases feeds and/or speeds, while also extending tool life without adversely affecting mechanical properties. Pre hardened and tempered 4140 can be further surface hardened by flame or induction hardening and by nit riding. 4140 is used extensively most industry sectors wide range applications: Adapters, Arbors, Axle Shafts Bolts, Crankshafts, Connection Rods, Chuck Bodies, Collets, Conveyor Pins & Rolls, Ejector Pins, Forks, Gears, Guide Rods, Hydraulic Shafts & Parts, Lathe Spindles, Logging Parts, Milling Spindles, Motor Shafts, Nuts, Pinch Bars, Pins Various, Pinions, Pump Shafts, Rams, Sockets, Spindles, Sprockets, Studs, Tool Holders, Torsion Bars, Worms etc

      Machinability:
      • AISI 4140 alloy steel has good machinability in the annealed condition

      Forming:
      • AISI 4140 alloy steel has high ductility
      • It can be formed using conventional techniques in the annealed condition.
      • It requires more pressure or force for forming because it is tougher than plain carbon steels

      Welding:
      • AISI 4140 alloy steel can be welded using all conventional techniques
      • However, the mechanical properties of this steel will be affected if it is welded in the heat treated condition, and post weld heat treatment should be performed.

       

      Chemical composition:

      ElementMinMax
      Carbon, C0.350.45
      Manganese, Mn0.500.80
      Silicon, Si0.100.35
      Ni-.---.--
      Molybdenum, Mo0.200.40
      Chromium0.901.50
      Sulfur, S---0.05
      Phosphorous, P---0.05

      Physical Properties:
      PropertiesMetricImperial
      Density7.85 g/cm30.284 lb/in³
      0.284 lb/in³1416°C2580°F

      Mechanical Properties:
      PropertiesMetricImperial
      Tensile strength655 MPa95000 psi
      Yield strength415 MPa60200 psi
      Bulk modulus (typical for steel)140 GPa20300 ksi
      Shear modulus (typical for steel)80 GPa11600 ksi
      Elastic modulus190-210 GPa27557-30458 ksi
      Poissons ratio0.27-0.300.27-0.30
      Elongation at break (in 50 mm)25.70%25.70%
      Hardness, Brinell197197
      Hardness, Knoop (converted from Brinell hardness)219219
      Hardness, Rockwell B (converted from Brinell hardness)9292
      Hardness, Rockwell C (converted from Brinell hardness Value below normal HRC range, for comparison purposes only)1313
      Hardness, Vickers (converted from Brinell hardness)207207
      Machinability (based on AISI 1212 as 100 machinability)6565

      Thermal Properties:
      PropertiesMetricImperial
      Thermal expansion co-efficient (@ 0-100°C/32-212°F)12.2 µm/m°C6.78 µin/in°F
      Thermal expansion co-efficient (@ 0-100°C/32-212°F)42.6 W/mK296 BTU in/hr.ft².°F
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      SAE 4140 Alloyed Steel Round Bar

      SAE 4140 Alloyed Steel Round Bar
      • SAE 4140 Alloyed Steel Round Bar
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      Approx. Price: Rs 65 / KgGet Latest Price

      Product Details:

      Material GradeSAE 4140
      Usage/ApplicationIndustrial
      Single Piece Length3-6 meter
      Thickness/Diameter2-3 inch
      MaterialAlloy Steel
      ShapeRound
      TechniqueHot Rolled

      We are offering SAE 4140 Alloyed Steel Round Bar to our clients.
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      Saket Khaitan (Partner)
      Khaitan Steel Forgings
      Ajod Dairy Road, Opposite Gravity House, Near Keval Kanta, Gujarat Bottling, Rakhial
      Amraiwadi, Ahmedabad - 380023, Gujarat, India



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