Case Hardening Steels
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Our Stocks are indicated in the tables below. Standard sizes not in our stocks can be requested
EN-36c STEELS
Ni-cr-mo steel
Approximate Other Equivalents
IS : 13 Ni 113 Cr 3 VISL : MES SPL MO BS : 655 M13
AISI : 3310
APPLICATION
Heavy Duty Gearings, Air Craft & Transport Vehicle construction Button Bits for Borwell Boring, Automobile Transmission Parts.,
Our Colour Code: BLUE
LIST OF STANDARD SIZES
- Round: Ø 16mm – Ø 300mm
OUR STOCKS
- Round: Ø 16mm – Ø 200mm
| QUALITY | C | SI | MN | CR | Ni | Mo | P & S |
|---|---|---|---|---|---|---|---|
| EN – 36C | 0.1 | 0.1 | 0.3 | 0.6 | 3 | 0.15 | 0.055 |
| 0.15 | 0.35 | 0.6 | 1 | 3.75 | 0.25 | MAX |
SPECIFIC HEAT TREATMENT
| QUALITY | EN – 36 C |
|---|---|
| Forging Temperature | 1100 to 850ºC |
| Annealing Temperature | 640 to 660ºC (Soft Annealing) |
| Annealed Hardness BHN Max | 217 BHN |
| Hardening Temperature | 830 to 850ºC, 700 to 800ºC R & H |
| Quenching Media | Oil Salt Bath at 180 to 250ºC |
| Obtainable Hardness R.C. | —- |
| Working Hardness HRC. | —- |
| Tempering Temperature | 170 to 200ºC |
| Mormalising Temperature | 850 to 880ºC |
EN-207 STEELS / 20Mncr5 & 16Mncr5
Cr-Mn Steel
APPROXIMATE OTHER EQUIVALENTS
IS: 16 MnCr4/15 Cr5 VISL: MEB 60 (20Cr5) 80 (16MnCr5)
DIN: 15Cr3, 16MnCr5/20MnCr5 ASI: 5120 ASP: EN 207 (15Cr3)
APPLICATION
15Cr3: Small Parts with medium core strength & good wear Resistance Piston Rings, Bushes, Drilling Machine Spindles.
15 MnCr5 & 20MnCr5: Parts subject to medium stress but with high wear such as gear wheel steering of vehicles & general engineering work
Our Colour Code: WHITE & BLUE
LIST OF STANDARD SIZES
- 20MnCr5 Round: Ø 16mm – Ø 285mm
- Square: 6mm to 300mm
OUR STOCKS
- 20MnCr5 Round: Ø 16mm – Ø 200mm
- Square: 65mm to 100mm
| QUALITY | C | Si | Mn | Cr | P & S |
|---|---|---|---|---|---|
| 15Cr3 | 0.12 | 0.15 | 0.4 | 0.4 | 0.55 |
| 15Cr3 | 0.18 | 0.4 | 0.6 | 0.7 | MAX |
| 16MnCr5 | 0.14 | 0.15 | 1 | 0.8 | 1.55 |
| 16MnCr5 | 0.19 | 0.4 | 1.3 | 1.1 | MAX |
| 20MnCr5 | 0.16 | 0.15 | 1 | 0.9 | 2.55 |
| 20MnCr5 | 0.23 | 0.4 | 1.4 | 1.1 | MAX |
SPECIFIC HEAT TREATMENT
| QUALITY | 15 Cr 3 | 16 Cr 3 | 17 Cr 3 |
|---|---|---|---|
| Forging Temperature | 1100 to 850ºC | 1101 to 850ºC | 1102 to 850ºC |
| Annealing Temperature | 650 to 700ºC (Soft Annealing) | 651 to 700ºC (Soft Annealing) | 652 to 700ºC (Soft Annealing) |
| Annealed Hardness BHN Max | 200 BHN | 207 BHN | 217 BHN |
| Hardening Temperature | 830 to 850ºC | 831 to 850ºC | 832 to 850ºC |
| Quenching Media | Oil / Salt Bath | Air180 to 250ºC | Oil / Salt Bath | Air180 to 250ºC | Oil / Salt Bath | Air180 to 250ºC |
| Obtainable Hardness R.C. | —- | —- | —- |
| Working Hardness HRC. | —- | —- | —- |
| Tempering Temperature | 150 to 180ºC | 170 to 200ºC | 170 to 200ºC |
| Normalising Temperature | 870 to 900ºC | 870 to 890ºC | 860 to 890ºC |
EN-353 & 354
APPROXIMATE OTHER EQUIVALENTS
IS : 15NiCrMo12 (EN – 353) VISL : M – ECN 170 BASL : B – CH 14 (EN-353)
16NiCr2Mo20 (EN – 354) BASL : B – CH 16 (EN-354)
DIN : 17CrNiM06 AISI – 4317H/4317H BS : 820 M 17
APPLICATION
This Steel possess high tensile Strength of Core Coupled with high toughness. Used for components in Vehicle & Air crafts as well as for General Engineering purposes where Blows & Shocks are Involved Mostly for Gear Box and Transmission Components, Cam Shafts.
Our Colour Code: BLUE & RED
LIST OF STANDARD SIZES
- Round: Ø 16mm – Ø 350mm
OUR STOCKS
- EN-353 Round: Ø 18mm – Ø 310mm
| QUALITY | C | Si | Mn | Cr | Ni | Mo | P & S |
|---|---|---|---|---|---|---|---|
| EN – 353 | 0.12 | 0.1 | 0.6 | 0.75 | 1 | 0.08 | 0.04 |
| EN – 353 | 0.18 | 0.35 | 1 | 1.25 | 1.5 | 0.15 | MAX |
| EN – 354 | 0.12 | 0.2 | 0.5 | 0.75 | 1.5 | 0.1 | 0.04 |
| EN – 354 | 0.18 | 0.35 | 1 | 1.25 | 2 | 0.25 | MAX |
SPECIFIC HEAT TREATMENT
| QUALITY | EN – 353 & EN 354 |
|---|---|
| Forging Temperature | 1050 to 850ºC |
| Annealing Temperature | 640 to 890ºC (Soft Annealing) |
| Annealed Hardness BHN Max | 217 BHN |
| Hardening Temperature | 840 to 870ºC & 800 to 830ºC R&H |
| Quenching Media | Oil / Salt Bath |
| Obtainable Hardness R.C. | —- |
| Working Hardness HRC. | —- |
| Tempering Temperature | 170 to 210ºC |
| Normalising Temperature | 830 to 875ºC |
