Crank shafts, automobile axle beams, connecting rods, lightly Stressed gears. Generaly used for moderately streesed parts of Motor Vehicles and general engineering works.
Typical Analysis In %
| C |
Si |
Mn |
Cr |
W |
V |
Co |
Mo |
Ni |
| 0.35-0.45 |
0.10-0.35 |
0.60-0.90 |
– |
S&P (Max) |
each |
0.06 |
– |
– |
Heat Treatment & Processing
| Forging Temp. °C |
Annealing Temp. °C |
Hardening Temp. °C |
Quenching Medium |
Tempering Temp. °C |
Hardness Rockwell °C |
| 1050-1100 |
800-900 |
1000 |
O Rapid Cooling |
700-750 |
BHN 159-229 BHN 135-185 |
Equivalent Grades
| BS 970 (REVISED) 1970-1972 |
BS 970-1955 En No. |
AISI/SAE |
DIN |
Japan |
U.S.S.R. |
IS |
| 080M40 |
8 |
1040 |
– |
– |
40 |
|
Crank shafts, Cylinders, Gears, sprockets. Mainly used in machine parts which require moderate wear resistance.
Typical Analysis In %
| C |
Si |
Mn |
Cr |
W |
V |
Co |
Mo |
Ni |
| 0.45-0.60 |
0.10-0.35 |
0.50-0.80 |
– |
S&P (Max) |
each |
0.05 |
0.20 |
– |
Heat Treatment & Processing
| Forging Temp. °C |
Annealing Temp. °C |
Hardening Temp. °C |
Quenching Medium |
Tempering Temp. °C |
Hardness Rockwell °C |
| 1000-800 |
750-780 |
760-820 |
W |
150-200 |
59-62 |
Equivalent Grades
| BS 970 (REVISED) 1970-1972 |
BS 970-1955 En No. |
AISI/SAE |
DIN |
Japan |
U.S.S.R. |
IS |
| 070M55 |
9 |
1055 |
Ck55 |
– |
55 |
| Grade |
Specification |
| Cl.5 |
1875/1978 |
|
Axle shafts, Crank shafts, Gears, Connecting rods, Studs, bolts, Propeller shaft joint. Suitable for heat treated parts where high tensile and impact are required along with high endurance bending strength.
Typical Analysis In %
| C |
Si |
Mn |
Cr |
W |
V |
Co |
Mo |
Ni |
| 0.35-0.45 |
0.10-0.35 |
0.50-0.80 |
090-1.50 |
S&P (Max) |
each |
0.05 |
0.20 |
– |
Heat Treatment & Processing
| Forging Temp. °C |
Annealing Temp. °C |
Hardening Temp. °C |
Quenching Medium |
Tempering Temp. °C |
Hardness Rockwell °C |
| 1050-850 Normalise |
650-700 820-850 |
820-840 |
O,W |
530-670 |
BHN 201-277 |
Equivalent Grades
| BS 970 (REVISED) 1970-1972 |
BS 970-1955 En No. |
AISI/SAE |
DIN |
Japan |
U.S.S.R. |
IS |
| 709M40 |
19 |
4140 |
– |
– |
30XM/35XM |
| Grade |
Specification |
| 40CrMo3 |
5517/1978 |
|
Aircraft and heavy vehicle crank shafts, Connecting rods, gear Shafts, Chain parts, Clutches, Propeller shafts, Cam shafts, Spindles Screws, Studs, Pinions, tappets, boring bars. Preffred to be apply for heat treated components having large setions and subject to exacting requirements.
Typical Analysis In %
| C |
Si |
Mn |
Cr |
W |
V |
Co |
Mo |
Ni |
| 0.35-0.45 |
0.10-0.35 |
0.45-0.70 |
0.90-1.40 |
S&P (Max) |
each |
0.05 |
0.20-0.35 |
1.30-1.80 |
Heat Treatment & Processing
| Forging Temp. °C |
Annealing Temp. °C |
Hardening Temp. °C |
Quenching Medium |
Tempering Temp. °C |
Hardness Rockwell °C |
| 1050-850 Normalise |
650-700 820-850 |
820-840 |
O,W |
530-670 |
BHN 201-277 |
Equivalent Grades
| BS 970 (REVISED) 1970-1972 |
BS 970-1955 En No. |
AISI/SAE |
DIN |
Japan |
U.S.S.R. |
IS |
| 817M40 |
24 |
4340 |
34CrNiMo6 |
– |
– |
| Grade |
Specification |
| 40Ni6Cr4Mo3 |
5517/1978 |
|
Ball and Roller Bearings, Spinning tools, Beading Rolls, Punches And Dies. By its character this type of steel has high resisting nature against wear and can be usedfor components wich are subjected to severe abrasion, wear or hight surface loading.
Typical Analysis In %
| C |
Si |
Mn |
Cr |
W |
V |
Co |
Mo |
Ni |
| 0.95-0.34 |
0.10-0.35 |
0.30-0.75 |
1.00-1.60 |
S&P (Max) |
each |
0.05 |
0.20 |
– |
Heat Treatment & Processing
| Forging Temp. °C |
Annealing Temp. °C |
Hardening Temp. °C |
Quenching Medium |
Tempering Temp. °C |
Hardness Rockwell °C |
| 1050-850 Normalise |
650-700 860-890 |
810-830 |
O,A |
530-670 |
BHN 201-277 |
Equivalent Grades
| BS 970 (REVISED) 1970-1972 |
BS 970-1955 En No. |
AISI/SAE |
DIN |
Japan |
U.S.S.R. |
IS |
| 534A99 |
31 |
52100 |
100Cr6 |
– |
– |
| Grade |
Specification |
| 103Cr2 |
4398/1972 |
|
Disc wheels, Grooved shafts, Cams, Gears, Heavy duty gears for aircraft, Heavy vehicle and automobile transmisson parts General engineering works,/Universal Joints. Mainly used for highly stress, machine parts wich are intended for cementation with high strength and core toughness.
Typical Analysis In %
| C |
Si |
Mn |
Cr |
W |
V |
Co |
Mo |
Ni |
| 0.15 |
0.10-0.35 |
0.30-0.60 |
0.60-1.10 |
S&P (Max) |
each |
0.05 |
– |
3.00-3.75 |
Heat Treatment & Processing
| Forging Temp. °C |
Annealing Temp. °C |
Hardening Temp. °C |
Quenching Medium |
Tempering Temp. °C |
Hardness Rockwell °C |
| 1050-850 Normalise |
650-700 860-890 |
810-830 |
O,A |
530-670 |
BHN |
Equivalent Grades
| BS 970 (REVISED) 1970-1972 |
BS 970-1955 En No. |
AISI/SAE |
DIN |
Japan |
U.S.S.R. |
IS |
| 665M13 |
36A |
– |
22NiCr14 |
– |
20X2H4A |
| Grade |
Specification |
| 13Ni3Cr80 |
4368/1967 |
|
EN-41B (NITRIDING STEELS)
We offer our clients with a wide range of EN-41B Nitriding Steels, which is sourced from trusted vendors of the market. These are offered in hardened and tempered conditions, in accordance with the client’s specification. The EN 41 B Nitrading Steel is offered to our clients in round shape.
Typical Analysis In %
| C |
Si |
Mn |
Cr |
W |
V |
Co |
Mo |
Ni |
| 0.35-0.45 |
0.10-0.35 |
0.65 / max |
1.40/1.80 |
– |
– |
– |
0.10/0.25 |
0.40/max |
Equivalent Grades
| BS 970 (REVISED) 1970-1972 |
BS 970-1955 En No. |
AISI/SAE |
DIN |
Japan |
U.S.S.R. |
IS |
| 905M31 |
41A |
– |
34CrA1Mo6 |
– |
20X2H4A |
| Grade |
Specification |
| 40Cr7A110Mo2 |
5517/978 |
|
