Hardened ID hak tur pipe AR600 abrasion resistant .

Hardened ID hak tur pipe AR600 abrasion resistant .

Nickel hard white cast iron wear-Pipe tuar thei lo

Nickel Hard Cast Iron hi white cast iron a ni a, nickel leh chromium a awm a, chu chu khawvelah chuan ni-hard an ti tlangpui. Chromium awm zat atanga a lan dan chuan chi hnih ah then theih a ni a, chungte chu W (CR) 2% leh W (CR) 9% te an ni.

Nickel hard white cast iron 2% W (CR) ah chuan carbide chu (FE, CR) C a ni a, a khauh 1100 ~ 1150 hV a ni a, carbide pangngai Fe, C (900 ~ 1000 HV) aiin a sang zawk a ni. Nickel hard white cast iron 9% W (CR) ah chuan carbide tam zawk chu (CR, Fe) C3 a ni a, hardness a sang zawk. Figure 8-6-ah hian carbide siamnaah CR dah belh a ni.

Hard white cast iron-a nickel mipui tam zawk chu iron cast-te quenability tihchangtlunna tur a ni a, chu chuan martensite-based metal matrix hmuh theihna a pui a, mahse austenite la awm tam tak nen a inzawm reng a ni. Nickel awm zat chu casting wall thickness a zirin a innghat a, thick wall casting-a nickel awm zat chu high limit a la tur a ni.

(1) Carbon a ni. Carbon cast iron sang hian hardness sang tak a nei a, wear resistance tha tak leh surface difference a nei a, carbon hniam erawh chu vice versa a ni thung. A hman dan hrang hrang a zirin 2) Silicon. Ni{{5}chunga silicon awm zat 1 leh ni-hard 2; Ni{{9}hard 4-a chromium tamna chu 1.8%~2.0% a ni. Solution sang zawk chuan (FE, CR), C; Type carbide, leh maline temperature M a tisang a, chu chuan martensite matrix a lei a, mahse silicon quenching sang leh hniam tak a ni.

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(1) Nickel hard white cast iron chemical composition chuan China ramah national standard a dawng ta a ni (Table 8-2 en la). American Materials Testing Association Standard (ASTM) hi United States-ah dah a ni a, model pali A, B, C leh D-ah then a ni (Appendix E2 en la). United Kingdom-ah chuan Germany pawhin ram pum huap standard a pawm tawh bawk. International Nickel Corporation chuan nickel hard white cast iron chemical composition a tarlang bawk (Table 8-16 en la).

(3) Chromium tih a ni. Chromium hian carbide siam a tichak a, ni-hard 4 leh carbon leh silicon-a chromium inzawmkhawm a tichak a, chutiang chuan coptectic carbide tam zawk chu (FE, CR) C3 a lo ni a, wear resistance leh impact toughness a ti tha a ni.

(4) Nickel a ni. Nickel hi metal matrix-ah a inthiar ber a, hei hian quenability a ti tha thei a, martenite emaw besite matrix emaw siam a tichak thei bawk. MI{-day 4 quenability chu Ni-hard 1 aiin a sang zawk tih a chiang a, hei hian section sawm hmangin 200mm aia sangin casting a siam thei a ni. Nickel hian graphitization a tichak a, chuvangin nickel hard white mouth blue iron beard hian graphite siam loh nan chromium element engemaw zat a nei a ni. Nickel hian austenite a ti nghet a, nickel tamna chuan austenite la awm tam zawk a siam chhuak bawk.

(5) Manganese a ni. Manganese hian austenite a ti nghet thei a, chuvang chuan manganese awm zat a hniam hle.

(6) Molybdenum tih a ni. Molybdenum hian quenability a ti tha thei a, a tul chuan thick castings ah pawh a hnawih theih bawk.

Kan company hian heat-resistant wear-resistant pipes a siam a, chu chuan wear-chu pipe resistant chu customer mamawh angin a siam thei a ni.

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