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Products/Carbon Steel/20MNCR5

20MNCR5 Carbon Steel Round Bar

Alloy Case-Hardening (Carburizing) Gear Steel

Standard
EN 10084 / DIN 17210 (20MnCr5)
Werkstoff / UNS
Werkstoff: 1.7147UNS: G51200
Common Equivalents
16MNCR5
Overview

About 20MNCR5 Carbon Steel

C P Steel Suppliers supplies 20MNCR5 Carbon Steel for engineering, industrial machinery and manufacturing applications. It is classified as Alloy Case-Hardening (Carburizing) Gear Steel. Common equivalents include 16MNCR5. Available forms include ROUND BAR, FLAT BARS, SHEET, PLATE, COIL.

Contact our Mumbai team with your required size and quantity to confirm availability, documentation and delivery.

20MNCR5 Round Bar Suppliers, 20MNCR5 Stockist, 20MNCR5 Big Dia, 20MNCR5 Cut to size as per requirement, 20MNCR5 vs 16MNCR5, 20MNCR5 Flat Bar, 20MNCR5 Small Quantity, 20MNCR5 Larger Dia, 20MNCR5 Circle, Ring. 20MNCR5 Mumbai, Chennai, Tamil Nadu, Gujarat, Pune, Maharashtra, India etc.

Specification

Chemical Composition

ElementComposition (wt%)
CCarbon
0.17 - 0.22 (16MnCr5: 0.14 - 0.19)%
MnManganese
1.10 - 1.40 (16MnCr5: 1.00 - 1.30)%
SiSilicon
max 0.40%
PPhosphorus
max 0.025%
SSulfur
max 0.035%
CrChromium
1.00 - 1.30 (16MnCr5: 0.80 - 1.10)%
FeIron
Balance
Performance

Mechanical, Physical & Processing Properties

PropertyValue / Reading
Tensile Strength980 - 1280 MPa (Core after Carburizing & Quenching)
Yield Strengthmin 685 MPa (Core)
Elongationmin 7 - 10 % (Hardened) / 15 - 20 % (Annealed)
Hardness Brinellmax 217 HBW (Soft Annealed) / 58 - 62 HRC (Carburized Surface)
PropertyValue / Reading
Density7.85 g/cm³
Melting Point1470 - 1510 °C
Modulus Of Elasticity210 GPa
Thermal Conductivity44.0 W/m·K
PropertyValue / Reading
WeldabilityGood in annealed state before carburizing; not welded after case hardening.
MachinabilityGood in isothermal annealed (+FP) or soft annealed (+A) delivery state.
HardenabilityHigh case and core hardenability; premier steel for heavy-duty gears, shafts, pinions, and camshafts.
Corrosion ResistanceLow; requires lubrication or protective coating.
Cross Reference

Equivalent Grades by Standard

Standard / RegionEquivalent Grade
Indian IS20MnCr5 / 16MnCr5 (IS 4432)
European EN20MnCr5 (1.7147) / 16MnCr5 (1.7131)
Germany DIN20MnCr5 / 16MnCr5
Japan JISSMnC420 / SCR420
UK (BS)527M20 / 590M17
USA (SAE / AISI)SAE 5120 / AISI 5120
Availability

Available Forms & Sizes

  • ROUND BAR
  • FLAT BARS
  • SHEET
  • PLATE
  • COIL
Form TypeSize Range Available
Black Round BarsOD 16MM - OD 300MM
Flat Bars10MM THK - 155MM THK
Bright Round BarsOD 10MM - OD 60MM
FAQ

20MNCR5 — frequently asked questions

What is the equivalent of 20MNCR5?
Common equivalents include 16MNCR5. Standards: Indian IS: 20MnCr5 / 16MnCr5 (IS 4432); European EN: 20MnCr5 (1.7147) / 16MnCr5 (1.7131); Germany DIN: 20MnCr5 / 16MnCr5; Japan JIS: SMnC420 / SCR420; UK (BS): 527M20 / 590M17; USA (SAE / AISI): SAE 5120 / AISI 5120.
Which forms of 20MNCR5 are available?
20MNCR5 is available as ROUND BAR, FLAT BARS, SHEET, PLATE, COIL.
Where can I buy 20MNCR5 Carbon Steel in Mumbai or across India?
C P Steel Suppliers supplies 20MNCR5 Carbon Steel from Mumbai. Contact us with your size and quantity to confirm availability and delivery.

Interested in Carbon Steel 20MNCR5?

Tell us the size and quantity you need and we will get back to you.

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