16MNCR5

Grade Introduction:
16MnCr5 steel is alloyed case hardening engineering steels for parts that require core tensile strength of 800 – 1100 N/mm² and good wearing resistance. It is an engineering material typically used to manufacture piston bolts, camshafts, levers, and other vehicle and mechanical engineering components. 16MNCR5 Grade is also available in different shapes like Round, Flat, Square steel Bars.

Grade Application

DIN 16MnCr5|1.7131 steel is widely used for a variety of applications in the used to gearings in rotating machinery. Typical applications such as valve bodies, pumps, and fittings, the high load of the wheel, bolts, double-headed bolts, gears, internal combustion engine. Electric locomotives, machine tools, tractors, steel rolling equipment, boring machine, railway vehicle, and mining machinery transmission shaft on the steel ball, roller and shaft sleeve, etc.

Equivalent Grades

  • ASTM A29/A29M
  • DIN EN 10083/3
  • JIS G4053
  • DIN DIN/T DIN17210

Addition to other grades

MS, EN1A, EN3B, EN8, EN8D, EN9, EN19, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, D3, H-11, H-13, CW-1, OHNS, M2, M35, M42, DIN1.2714, P20, P20+S, P20+Ni, SCM420, ASTMSA-36, ASTMSA-105, SAE1018, SAE4140, SAE8620, 16MNCR5, 20MNCR5, C20, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE52100, S40C, S355J2G3.

Our Supply Range

We supply to automotive ancillaries and OEM customers. The products we manufacture are used as input for manufacturing of automotive and general engineering components. These components are further assembled into systems fitted in automobiles and other engineering applications.

Product Type Size Range
Forged Round Bars 140mm Dia to 850mm
Rolled Round Bars 16mm Dia and above
Forged Flat Bars Thickness: 32mm to 510mm, Width: 65mm to 1050mm
Rolled Flat Bars Thickness: 6mm to 110mm, Width: 25mm to 510mm

Chemical Composition

The following table shows the chemical composition of 16MNCR5 steel:

Element
C
Si
Mn
P
S
Cr
Content (%)
0.14~0.19
≤0.40
1.00~1.30
≤0.035
≤0.035
0.80~1.10

Heat Treatment

When hardening 16MnCr5 heat treatment temperatures, including the rate of heating, cooling, and soaking times will vary due to factors such as the shape and size of each steel component. Other considerations during heat treatment include the type of furnace, quenching medium, and workpiece transfer facilities. Please consult a heat treatment specialist for full guidance on heat treatment of 16MNCr5 steel.

Hardness

Brinell hardness in the condition
+S max.
+A max.
+TH
+FP
min.
max.
min.
max.
*
207
156
207
140
187

Hardening

Harden from a temperature of 860-980°C followed by water, oil, or thermal bath quenching.

Thermal Properties

Quantity
Value
Unit
Thermal expansion
10 – 10
e-6/K
Thermal conductivity
25 – 25
W/m.K

Forging Properties

Hot forming temperature: 1100-850°C.

Stress Relieving

600-680°C

Mechanical Properties

The mechanical properties of annealed DIN 16MnCr5/1.7131 gearing steel (typical for steel) are outlined in the table below:

Tensile
Yield
Bulk modulus
Shear modulus
Poisson’s ratio
Thermal conductivity
MPa
Mpa
Gpa
Gpa
 W/mK
520
415 Min
140
80
0.27-0.30
46.6

Physical Properties

Quantity
Value
Unit
Thermal expansion
10 – 10
e-6/K
Thermal conductivity
25 – 25
W/m.K
Specific heat
460 – 460
J/kg.K
Melting temperature
1450 – 1510
°C
Density
7700 – 7700
kg/m3
Resistivity
0.55 – 0.55
Ohm.mm2/m

Tempering

Tempering temperature: 150-200°C.

Normalizing

Temperature: 850-880°C.

Annealing

Heat to 650-700°C, cool slowly.

Density

7800

Welding

While this steel grade has satisfactory weldability, there is a possibility of cracks forming along welds.

Machinability

It has a good Machinability at the Soft-annealed Condition.

Supply Cities

Ambattur, Bangalore, Chennai, Coimbatore, Dindigul, Guindy, Madurai, Nellore, Hyderabad, Tirupur, Tuticorin, Madurai, Andhra Pradesh, Karnataka, Puducherry, Kerala, Kanyakumari, Telangana, Salem, Thanjavur, Trichy, Erode, Vellore, Karur, Nagercoil, Kanchipuram, Karaikudi, Pudukottai, Nagapattinam.

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