GB / T24186 NM500 hnav-resistant steel phaj yog hnav-resistant steel phaj nrog hardness ntawm 500HBW. Npaj rau siv qhov twg hnav tsis kam thiab zoo txias dabtsi yog khoov zog yuav tsum tau. GB / T24186 NM500 hnav-resistant steel phaj muab cov hlau qub heev.
GB / T24186 NM500 hnav-tiv taus steel phaj yog lub siab hnav-resistant steel phaj nrog siab hnav tsis kam. Brinell hardness tus nqi txog li 500 (HBW) feem ntau yog siv los tiv thaiv cov xwm txheej hnav lossis qhov chaw kom txuas ntxiv lub neej kev pab cuam ntawm cov cuab yeej siv, txo kev txij nkawm thiab kev txij nkawm los ntawm kev saib xyuas, thiab sib raug zoo txo peev peev.
GB / T24186 NM500 abrasion resistant steel phaj tshuaj muaj pes tsawg leeg:
| Hom | C | Si | Mn | P | S | Cr | Mo | Ni | B | CEV |
| NM 500 | Tsawg dua lossis sib npaug rau 0.38 | Tsawg dua lossis sib npaug rau 0.70 | Tsawg dua lossis sib npaug li 1.70 | Tsawg dua lossis sib npaug rau 0.020 | Tsawg dua lossis sib npaug rau 0.010 | Tsawg dua lossis sib npaug rau 1.20 | Tsawg dua lossis sib npaug rau 0.65 | Tsawg dua los yog sib npaug rau 1.0 | Bt: 0005-0.06 | 0.65 |
GB / T24186 NM500 abrasion resistant steel phaj mechanical zog:
| Hom | Thickness hli | Tensile Test MPa | Hardness | |||||||
| YS Rel MPa | TS Rm MPa | Elongation% |
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| NM 500 | 10-50 | --- | ---- | Ntau dua lossis sib npaug li 24 | 480-525 | |||||
