| JINDAL METALS AND ALLOYS LIMITED – HARDENED & TEMPERED GRADES | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| GRADES & STANDARDS | CHEMICAL COMPOSITION (%) | ||||||||||
| Grade | Standard | Nomenclature | C | Mn | Si | S | P | Cu | Others | Ni | Cr |
| C 45 | IS-2507 | 45C8 | 0.40–0.50 | 0.60–0.90 | 0.10–0.35 | <0.050 | <0.050 | – | – | – | – |
| ASTM A568 | SAE 1045 | 0.43–0.50 | 0.60–0.90 | 0.15–0.30 | <0.035 | <0.030 | – | – | – | 0.10–0.35 | |
| C 55 | IS-2507 | 55C6 | 0.50–0.60 | 0.50–0.65 | 0.10–0.35 | <0.050 | <0.050 | – | – | – | – |
| ASTM A568 | SAE-1055 | 0.52–0.60 | 0.60–0.90 | 0.15–0.30 | <0.035 | <0.030 | – | – | – | – | |
| EN 10132-4 | CK-55 | 0.52–0.60 | 0.60–0.90 | 0.15–0.35 | <0.025 | <0.025 | – | Mo<0.10 | <0.40 | <0.40 | |
| JIS 4802 | S55C | 0.52–0.58 | 0.60–0.90 | 0.15–0.5 | <0.035 | <0.030 | <0.30 | Ni+Cr<0.35 | <0.20 | <0.20 | |
| C 62 | IS-2507 | 65C6 | 0.60–0.70 | 0.50–0.80 | 0.10–0.35 | <0.050 | <0.050 | – | – | – | 0.10–0.35 |
| ASTM A568 | SAE-1060 | 0.55–0.66 | 0.60–0.90 | 0.15–0.30 | <0.035 | <0.030 | – | – | – | – | |
| EN 10132-4 | CK60 | 0.57–0.65 | 0.60–0.90 | 0.15–0.35 | <0.025 | <0.025 | – | Mo<0.10 | <0.40 | <0.40 | |
| JIS 4802 | S60C | 0.55–0.65 | 0.60–0.90 | 0.15–0.30 | <0.035 | <0.030 | <0.30 | – | <0.20 | <0.20 | |
| C 67 | ASTM A568 | SAE 10367 | 0.65–0.73 | 0.60–0.90 | 0.15–0.30 | <0.035 | <0.030 | – | – | – | 0.10–0.35 |
| C 80 | IS-2507 | 80C6 | 0.75–0.85 | 0.50–0.80 | 0.10–0.35 | <0.050 | <0.050 | – | – | – | – |
| ASTM A568 | SAE-1080 | 0.74–0.88 | 0.60–0.90 | 0.15–0.30 | <0.035 | <0.030 | – | – | – | – | |
| ASTM A569 | SAE-1074 | 0.70–0.80 | 0.50–0.80 | 0.15–0.30 | <0.035 | <0.030 | – | – | – | – | |
| EN 10132-4 | C75S | 0.70–0.80 | 0.60–0.90 | 0.15–0.35 | <0.025 | <0.025 | <0.40 | Mo<0.10 | – | <0.40 | |
| EN 10132-4 | C85S | 0.80–0.90 | 0.40–0.70 | 0.15–0.35 | <0.025 | <0.025 | <0.40 | Mo<0.10 | – | <0.40 | |
| JIS G 4401 | SK85 | 0.80–0.90 | 0.10–0.50 | 0.10–0.35 | <0.030 | <0.025 | <0.40 | – | <0.025 | <0.30 | |
| JIS 4802 | S80C | 0.75–0.85 | 0.60–0.90 | 0.15–0.30 | <0.035 | <0.030 | <0.30 | – | <0.20 | <0.20 | |
| C 98 | IS-2507 | 98C6 | 0.90–1.05 | 0.50–0.80 | 0.10–0.35 | <0.050 | <0.050 | – | – | – | – |
| ASTM A568 | SAE-1095 | 0.90–1.03 | 0.30–0.50 | 0.15–0.30 | <0.035 | <0.030 | – | – | – | 0.10–0.35 | |
| 50CrV4 | IS-2507 | 50CrV4 | 0.47–0.55 | 0.80–1.10 | 0.15–0.35 | <0.035 | <0.035 | – | V 0.07–0.12 | – | 0.90–1.20 |
| 51CrV4 | SAE-6150 | 0.47–0.55 | 0.70–1.10 | 0.15–0.35 | <0.040 | <0.040 | – | V 0.10–0.20 | – | 0.90–1.20 | |
| JIS | SUP-10 | 0.47–0.55 | 0.80–1.10 | 0.15–0.35 | <0.040 | <0.040 | – | V 0.10–0.20 | – | 0.90–1.20 | |
| 58CrV4 | – | – | 0.55–0.62 | 0.70–1.10 | 0.15–0.35 | <0.035 | <0.035 | – | V 0.10–0.20 | – | 0.90–1.20 |
| 75Cr1 | IS-2507 | – | 0.70–0.80 | 0.60–0.80 | 0.25–0.50 | <0.03 | <0.030 | – | – | – | 0.30–0.40 |
| 75Ni8 | EN 1.5634 | – | 0.72–0.78 | 0.30–0.50 | 0.15–0.35 | <0.025 | <0.025 | – | Mo 0.10 | 1.8–2.10 | <0.15 |
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