60Si2Mn na-ekpo ọkụ akpọrepu ígwè gburugburu ogwe

60Si2Mn mmiri ígwè bụ silico-manganese mmiri ígwè a na-ejikarị eme ihe nke nwere ike dị elu, ike na ike karịa 55Si2Mn. 60Si2Mn mmiri nchara ụlọ ọrụ na-arụpụta ewepụghị isi iyi na nnukwu ibu ma ọ bụ eriri mmiri iyi na dayameta na-erughị 30mm. Ọ dịkwa mma maka ịme mmiri na-ekpo ọkụ na-ekpo ọkụ na-enweghị ihe mgbochi na-arụ ọrụ na-arụ ọrụ n'okpuru 250 Celsius C yana ibu ọzọ na nrụgide dị elu. Nnukwu mmiri iyi dị mkpa maka ịrụ ọrụ n'okpuru, yana usoro nnabata ujo ụgbọ ala.

Akụkụ kemịkalụ:

C(%)	Si(%)	nde(%)	P(%)	S(%)	Cr(%)	Ni(%)	Cu(%)	Mbelata nrụgide (Mpa)	Nchegbu tensile (Mpa)	Mgbatị (%)
0.56-0.64	1.5-2.0	0.6-0.9	≦0.035	≦0.035	≦0.35	≦0.35	≦0.35	≧1175	≧1275	≧5

Njirimara igwe:

Ike tensile σb (MPa): ≥ 1274 (130)
Ike mpụta σs (MPa): ≥1176 (120)
Mgbatị δ10 (%): ≥5
Mbelata mpaghara ψ (%): ≥25
Isi ike: mpịakọta na-ekpo ọkụ, ≤321HB; ihe osise oyi + ọgwụgwọ okpomọkụ, ≤321HB

Nkọwapụta ọkụ:

60Si2Mn nkọwa ọgwụgwọ okpomọkụ: quenching 870 °C ± 20 Celsius C, mma mmanu mmanu; tempering 480 ° C ± 50 ° C (kpọmkwem chọrọ, ± 30 ° C).
Òtù Metallographic: iwe ọkụ troostite.

Ọnọdụ nnyefe: A na-ebunye ígwè na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ ma ọ bụ na-adịghị agwọ ọrịa, a na-ebutekwa ígwè oyi na-ekpo ọkụ na ọnọdụ okpomọkụ.
Nkọwapụta nnyefe na-ekpo ọkụ na-ekpo ọkụ: 2.0 ~ 18.0mm, yana na enweghị annealing. Nkọwa nnyefe oyi na-atụgharị: 0.3 ~ 4.3mm (nkịta ígwè)

Usoro ọgwụgwọ okpomọkụ

60Si2Mn usoro ọgwụgwọ okpomọkụ bụ isothermal tempering na grading quenching, sub-okpomọkụ quenching na elu okpomọkụ tempering, deformation okpomọkụ usoro. Usoro nwere ike melite ike na ndụ ọrụ nke 60Si2Mn mmiri ígwè. 60Si2Mn bụ nke mmiri ígwè, adabara ime ụgbọ ala akwukwo mmiri. 60Si2Mn mmiri ígwè okpomọkụ ọgwụgwọ isothermal tempering na grading quenching, sub-okpomọkụ quenching na elu okpomọkụ tempering, deformation okpomọkụ usoro. Usoro nwere ike melite ike na ndụ ọrụ nke 60Si2Mn mmiri ígwè.

njupụta

60Si2Mn njupụta nke 7.85g / cm3. 60Si2Mn a na-ejikarị silicon manganese spring steel, ike, elasticity na hardenability karịa 55Si2Mn dị elu karịa. Kwesịrị ekwesị maka ụgbọ ala ụgbọ oloko, ụlọ ọrụ traktọ ụgbọ ala iji mepụta ibu buru ibu nke isi iyi dị larịị ma ọ bụ dayameta waya nke 30mm n'okpuru mmiri eriri igwe.