20CrMnTi(H) na-ekpo ọkụ akpọrepu ígwè gburugburu ogwe

e ji mara nke siri ike ígwè alloy ngwá ọrụ ígwè, ezi carburizing okpomọkụ ọgwụgwọ usoro na arụmọrụ nke ígwè na ≤960 ℃ ezi ọka Ọdịdị, nke a na-ejikarị na ogologo oge kpo oku carburizing okpomọkụ, ọka toro dịghị ọchịchọ obere ihe fọdụrụ austenite mgbe quenching, Ya mere, ígwè ahụ nwere ike dị elu ma na-eyi nkwụsi ike, arụmọrụ dị mma nke ọma, ọrụ isi na 20CrMnTi na 20CrNi ígwè yiri ya. Ike tensile σ ≥1080MPa, ike σ ≥885MPa, elongation δ ≥10%, 45% Mbelata ọzịza, mmetụta siri ike (mmetụta siri ike) α ≥69J / cm, ike ≤207HB, 15mm sample size.

GB 20CrMnTi GB/T 3077 Mechanical

Njirimara igwe GB 20CrMnTi GB/T 3077 metal na-ekpebi oke uru nke akụrụngwa wee guzobe ndụ ọrụ enwere ike ịtụ anya ya. A na-ejikwa akụrụngwa arụrụ arụ ọrụ iji nyere aka ịhazi na ịchọpụta ihe.

Mmụba Rp0.2 (MPa)	Ịkwụsị Rm (MPa)	Mmetụta KV/Ku (J)	Ogologo oge A (%)	Mbelata na ngalaba obe na mgbaji Z (%)	Dị ka-Okpomọkụ na-emeso ọnọdụ	hardness brinell (HBW)
912 (≥)	863 (≥)	23	33	44	Ngwọta na ịka nká, Annealing, Ausage, Q+T, wdg	212

A na-egosipụta oke arụmọrụ anụ ahụ nke GB 20CrMnTi GB/T 3077 site na njupụta, oke poisson, conductivity thermal, ikike thermal a kapịrị ọnụ, ọnụọgụ nke mgbasawanye thermal, modulus ofelasticity, uru nguzogide eletrik, wdg.

Okpomọkụ (°C)	Modul nke elasticity (GPa)	Ọnụego nha nke mgbasawanye okpomọkụ 10-6/(°C) n'etiti 20 (°C) na	Thermal conductivity (W/m·°C)	Ikike okpomọkụ akọwapụtara (J/kg·°C)	Specific eletriki resistivity (Ω mm² /m)	Njupụta (kg/dm³)	Ọnụ ọgụgụ nke Poisson, ν
24	-	-			0.31	-
956	121	-	12.3	423		-
659	-	41	11.2			243	423

Ọgwụgwọ okpomọkụ metụtara

• Mwepu nke 20CrMnTi Alloy Gearing steel

Jiri nwayọọ na-ekpo ọkụ na 790-810 ℃ ma kwe ka oge zuru ezu, mee ka ígwè ahụ kpoo ọkụ nke ọma, wee dị jụụ nwayọọ nwayọọ na ọkụ ọkụ. Dị iche iche annealing ụzọ ga-esi dị iche iche hardness. The 20CrMnTi Gearing ígwè ga-esi ike MAX 248 HB (Brinell hardness).

• Nkwụsị na okpomọkụ nke 20CrMnTi gear steel

Na-ekpo ọkụ nwayọọ nwayọọ ruo 788 Celsius, wee tinye n'ime ọkụ bath nnu na-edebe 1191 ℃ ruo 1204 ℃. quenching site na mmanụ nweta 60 ka 66 HRc hardness. High okpomọkụ tempering: 650-700 ℃ ， dị jụụ na ikuku, na-esi ike 22 ka 30HRC. Okpomọkụ dị ala: 150-200 ℃， Jụụ  na ari, nweta ike 61-66HRC.

• Ọrụ na-ekpo ọkụ na ọrụ oyi nke 20CrMnTi Alloy Gearing steel

GB 20CrMnTi ígwè nwere ike na-ekpo ọkụ na-arụ ọrụ na 205 ruo 538°C, 20CrMnTi Bearing/Gearing steel nwere ike ịbụ oyi na-arụ ọrụ site na iji usoro ochie na ọnọdụ annealed ma ọ bụ ahaziri ahazi.