| Grade | 5CrNiMo (T20103)，L6 (T61206)，SKT4，55NiCrMoV7 (1.2714)，55NiCrMoV7 |
| Standard | GB/T 1299-2000，ASTM A681-08，JIS G4404-2006，EN ISO 4957-1999 |
| Surface | Black, Rough Machined, Turned |
| Length | 1 to 6 Meters |
| Processing | Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished |
| Raw Materail | POSCO, Baosteel, TISCO, Saky Steel, Outokumpu |
| Standard | GB/T 1299-2000 | ASTM A681-08 | JIS G4404-2006 | EN ISO 4957-1999 | ISO 4957:1999 |
| Grade | 5CrNiMo (T20103) | L6 (T61206) | SKT4 | 55NiCrMoV7 (1.2714) | 55NiCrMoV7 |
| STAND | Grade | C | Mn | P | S | Cr | Mo | Ni | V | Si |
| GB/T 1299-2000 | 5CrNiMo (T20103) | 0.50-0.60 | 0.50-0.80 | 0.030 | 0.030 | 0.50-0.80 | 0.15-0.30 | 1.40-1.80 | 0.40 | |
| ASTM A681-08 | L6 (T61206) | 0.65-0.75 | 0.25-0.80 | 0.030 | 0.030 | 0.60-1.20 | 0.50 | 1.25-2.00 | 0.10-0.50 | |
| JIS G4404-2006 | SKT4 | 0.50-0.60 | 0.60-0.90 | 0.030 | 0.020 | 0.80-1.20 | 0.35-0.55 | 1.50-1.80 | 0.05-0.15 | 0.10-0.40 |
| EN ISO 4957-1999 | 55NiCrMoV7 (1.2714) | 0.50-0.60 | 0.60-0.90 | 0.030 | 0.030 | 0.80-1.20 | 0.35-0.55 | 1.50-1.80 | 0.05-0.15 | 0.10-0.40 |
| ISO 4957:1999 | 55NiCrMoV7 | 0.50-0.60 | 0.60-0.90 | 0.030 | 0.030 | 0.80-1.20 | 0.35-0.55 | 1.50-1.80 | 0.05-0.15 | 0.10-0.40 |
| Physical Properties | Metric | Imperial |
| Density | 7.86 g/cm³ | 0.284 lb/in³ |
| Melting point | 2590°F | 1421°C |