High Carbon Stainless Steel Round Bars DIN X65Cr13 EN 1.4037
X65Cr13 grade stainless steel with a lower carbon content is used by EZO Japan and has greater
corrosion resistance, greater load capacity (approx 10 percent less than chrome steel) and superior
low noise qualities to the standard AISI 440C grade.
The corrosion resistance of stainless steel can be increased by passivation (see section below).
martensitic stainless steel will also withstand higher temperatures than chrome steel,
coping with up to 250℃ constant and up to 300℃ intermittent with reduced load capacity.
Above 300℃, bearing life can be considerably shortened.
EN 1.4037, DIN X65Cr13 stainless steel is suitable to the manufacturing of bearing, rods, mechanical parts.
Chemical composition ( weight % )
| MATERIAL | HIGH CARBON CHROMIUM STEEL | STAINLESS STEEL | |
| SYMBOL | SUJ2 | SUS 440C |
KS440 ( ACD34) |
| C | 0.95- 1.10 | 0.95- 1.20 | 0.60- 0.75 |
| Si | 0.15- 0.35 | 1.00 | 1.00 |
| Mn | 0.50 | 1.00 | 1.00 |
| P | 0.025 | 0.040 | 0.030 |
| S | 0.025 | 0.030 | 0.020 |
| Cr | 1.30- 1.60 | 16.0- 18.0 | 11.5- 13.5 |
| Mo | 0.08 | 0.75 | 0.30 |
| HARDNESS | 60 - 64 | 58 - 62 | 58 - 62 |
| Equivalent steel grade | SAE 52100,100Cr6, ASTM 52100,BS535A99, 1.3505 |
SAE51440C, AISI 440C, X102CrMo17, X105CrMo17, 1.4125,1.3543 |
X65Cr13,1.4037 |
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