Navratna Metal Corporation
Navratna Metal Corporation
Girgaon,, Mumbai, Maharashtra
GST No. 27AAAFN3133H1ZL
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Alloy Steels

Our range of products include ss 422 round bars, 40crmov4-6 round bars din 1.7711, 30crmov9 round bars alloy steel no 1.7707 and alloy steel 21crmov5-7 din 1.7709 round bar.

SS 422 Round Bars

SS 422 Round Bars
  • SS 422 Round Bars
  • SS 422 Round Bars
  • SS 422 Round Bars
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Approx. Price: Rs 200 / KgGet Latest Price

Product Details:

Minimum Order Quantity500 Kg
Material GradeSS 422, ASTM A565 GR 616, ASTM A 437 GR B4B, AMS 5655, DIN 1.4935, X20CrMoWV12-1, AISI HNV-8
Single Piece Length6 meter
ShapeRounds Hexagon
BrandIndian
Sizefrom 16 mm to 450 mm dia
TechniqueHot Rolled

Alloy Steel Bars SS 422, ASTM A565 GR 616, ASTM A 437 GR B4B ROUNDS
Alloy 422 stainless bar is a hardenable, martensitic stainless steel designed for service temperatures as high as 1200 F. This grade develops high mechanical properties via heat treatment and offers good scaling and oxidation resistance.  Typical applications have included buckets and blades in steam turbines, high temperature bolting and valve and valve trim.
Common Applications of 422
Power generation 
Compressors
Steam turbines
Aircraft parts
High-temperature bolting

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40CrMoV4-6 Round Bars DIN 1.7711

40CrMoV4-6 Round Bars DIN 1.7711
  • 40CrMoV4-6 Round Bars DIN 1.7711
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Approx. Price: Rs 150 / KgGet Latest Price

Special Alloy Steel 40CrMoV4-6 DIN 1.7711

40CrMoV4-6, 1.7711 - specification and application
High-temperature structural steel for bolts, nuts, motor and machine components such as crankshafts, axles, spindles and gears.
Mechanical properties of 40CrMoV4-6, 1.7711 +QT: Tensile strength, Rm 850-1000 MPa
Yield strength, Rp0,2: >640 MPa
Elongation, A: >14%
Necking, Z: >45%
Impact strength, KV: > 25J
Hardness: 250-300 HB

Heat treatment of 40CrMoV4-6, 1.7711 steel:
Annealing at a temperature of 680 - 730C
Normalization at a temperature of 880 - 900C
Annealing at a temperature of 830C
Annealing at a temperature of 900 - 930C
Normalization at a temperature of 650 - 720C
Stress relief annealing after hardening at a temperature of 200C Stress relief annealing at a temperature 50C lower than tempering

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  • Minimum Order Quantity: 1000 Kg
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30CrMoV9 Round Bars Alloy Steel No 1.7707

30CrMoV9 Round Bars Alloy Steel No 1.7707
  • 30CrMoV9 Round Bars Alloy Steel No 1.7707
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Approx. Price: Rs 180 / KgGet Latest Price

STRUCTURAL BOILER STEEL FOR NITRIDING 30CRMOV9, 1.7707, 31CRMOV9, 1.8519 ACCORDING TO DIN 17200, EN 10250-3, EN 10085.

31CRMOV9, 30CRMOV9, 1.7707, 1.8519 - NITRIDING STEEL
STRUCTURAL BOILER STEEL FOR NITRIDING 30CRMOV9, 1.7707, 31CRMOV9, 1.8519 ACCORDING TO DIN 17200, EN 10250-3, EN 10085.
 
StandardSteel GradeChemical Composition %C:Mn:Si:P:S:Cr:Ni:Mo:V:Cu:PN33H3MF0.29 - 0.360.5 - 0.80.17 - 0.37<0.035<0.0352.4 - 2.8<0.30.35 - 0.450.2 - 0.3<0.3PN30H2MF0.26 - 0.340.4 - 0.70.15 - 0.40<0.035<0.0352.3 - 2.7-0.15 - 0.250.1 - 0.2<0.3EN31CrMoV9 - 1.85190.27 - 0.340.4 - 0.7<0.40<0.025<0.0352.3 - 2.7-0.15 - 0.250.1 - 0.2-EN30CrMoV9 - 1.77070.26 - 0.340.4 - 0.7<0.40<0.035<0.0352.3 - 2.7<0.60.15 - 0.250.1 - 0.2-GOST30Ch3MF - 30Х3МФ0.27 - 0.340.3 - 0.60.17 - 0.37<0.035<0.0352.3 - 2.7<0.30.2 - 0.30.06 - 0.12<0.3
 
31CrMoV9, 30CrMoV9, 1.7707, 1.8519 - specifications and application
30H2MF steel is boiler grade, low-alloyed, used in the energy industry for the parts working in high temperatures below 540 °C. The material is often used in the manufacture of screws, nuts, parts of turbines and other equipment for the energy industry.
33H3MF is a steel designed for nitriding, which, unlike 38HMJ, does not have Aluminum in its chemical composition. The grade can be interchangeably used, however, does not exhibit the same hardness after thermo-chemical treatment, as 38HMJ does. Steel intended for piston pins, gears, bushings, camshafts, engine components, valve parts, cylinders, etc.
Steel is not suitable for welding.
Mechanical properties of 31CrMoV9, 1.8519,
Annealed softened delivery condition +A 
Hardness, HB: <248
Heat-treated condition +QT 
Tensile strength, Rm: 850 - 1300 MPa
The yield point, Re: > 650 MPa
Elongation, A:> 9%
Impact resistance, KV: > 25J
Hardness of surface after nitriding, HV1: 800
 
Mechanical properties of 30CrMoV9, 1.7707 +QT steel
Tensile strength, Rm: >800 MPa
The yield point, Rp0,2: >590 MPa
Elongation, A:> 8%
Impact resistance, KV: > 20J

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  • Minimum Order Quantity: 1000 Kg
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Alloy steel 21CrMoV5-7 Din 1.7709 Round Bar

Alloy steel 21CrMoV5-7 Din 1.7709 Round Bar
  • Alloy steel 21CrMoV5-7 Din 1.7709 Round Bar
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Approx. Price: Rs 200 / KgGet Latest Price

21CrMoV5-7 is a steel for fasteners with specified elevated and/or low temperature properties. Imanite has been designed for nitriding, giving similar hardness distribution as case hardening. When using nitriding the distortion due to quenching after carburising can be avoided.21CrMoV5-7 Mechanical properties,Our production completely according to the 21CrMoV5-7 standards to meet the 21CrMoV5-7 mechanical performance, can also according to the customer request, to meet the requirements of customers of 21CrMoV5-7 mechanical properties.21CrMoV5-7 Heat treatment,Our production completely according to the 21CrMoV5-7 standards to meet the 21CrMoV5-7 Heat treatment, can also according to the customer request, to meet the requirements of customers of 21CrMoV5-7 Heat treatment.21CrMoV5-7 Machining,Our production completely according to the 21CrMoV5-7 standards to meet the 21CrMoV5-7 Machining, can also according to the customer request, to meet the requirements of customers of 21CrMoV5-
Special Alloy Steel 40CrMoV4-6 DIN 1.7711
DIN 21CrMoV5-7 Tool steel is a alloy structural steel, 21CrMoV5-7 steel is used for engineering structural, like high tensile shafts, bolts and nuts, gears, pinions and spindles. Locomotive traction with the big gear, supercharger drive gear, pressure vessel, rear axle, gear load of connecting rod and a spring clip,21CrMoV5-7 steel can also be used to under 2000 m deep well of oil drill pipe joint and the fishing tool, and can be used for bending machine mould, etc
21CrMoV5-7 Steel is a high quality High Temperature Alloy Structural steel, 21CrMoV5-7, code: 1.7709 standard: DIN17240-1976, with heat treatment state: 890-940 ℃ quenching, 680-720 ℃ high temperature tempering (at least 2 h) yield strength, N/mm squared: min. 550 tensile strength, N/mm squared: 700-850 such as mechanical propert.
Related Specifications astm A29/A29M DIN EN 10083/3 JIS G4053 GB GB/T 3077
DIN 21CrMoV5-7 Alloy structural steel, we can supply the 21CrMoV5-7 round bar, steel flat bar, plate, hexagonal steel bar and steel square block. 21CrMoV5-7 steel Round bar can be sawn to your required lengths as one offs or multiple cut pieces. 21CrMoV5-7 Rectangular pieces can be sawn from flat bar or plate to your specific sizes. Ground tool steel bar can be supplied, providing a quality precision finished bar to tight tolerances.
21CrMoV5-7 steel Round sheet Square Plate / W-Nr. 1.7709 Steel Round sheet Square Plate

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Reach Us
Amrut M. Kanungo (Partner)
Navratna Metal Corporation
Off No. 2, Ground Floor, Old Prembai Bhavan, Neo Ornate, 79 Nanubhai Desai Road, Girgaon,, Mumbai - 400004, Maharashtra, India


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