Kedu ọkọlọtọ nke China 420 nchara nchara mejupụtara?

420 igwe anaghị agba ncharabụ nke Martensitic anaghị agba nchara, nke nwere ụfọdụ na-eguzogide na nguzogide na-eguzogide, oke isi ike, na ọnụahịa dị ala karịa njiri mara nchara. Mpempe akwụkwọ ngọngọ kwesịrị ekwesị maka ụdị igwe dị iche iche dị mma maka ụdị igwe dị iche iche, akụrụngwa, akụrụngwa, ugbo ala, na-ejikwa ikuku na-eguzogide na ikuku na-eguzogide ikuku, mmiri mmiri na mmiri acid na oxidious.

China 420 igwe anaghị agba nchara mpempe akwụkwọ:

GB / T 3280-2015 "igwe anaghị agba nchara na mpempe akwụkwọ na warara"

GB / T 4237-2015 "igwe anaghị agba nchara na warara nke na warara"

GB / T 20878-2007 "igwe anaghị agba nchara na nchara nke na-eguzogide ọkụ na mejupụtara kemịkalụ"

 

420 igwe anaghị agba nchara na China:

Gradbọchị niile: 20cr13, 30cr13, 40cr13.

Akara ochie: 2cr13, 3cr13, 4cr13.

 

Njirimara na na-eji China 420 igwe anaghị agba nchara:

20cr13 igwe anaghị agba nchara: Nnukwu ihe siri ike na steeti ahụ, na-eguzogide nguzogide. Maka uzuoku Steam Turbine.

30cr13 igwe anaghị agba nchara:

40c13 nchara: siri ike karịa 30cr13 mgbe ọ gachara


Oge post: Jul-31-2023