20Cr na-ekpo ọkụ akpọrepu ígwè mpempe akwụkwọ

GB 20Cr alloy Steel bụ igwe kwụpụrụ agbanahụ yana ọkụ, ọ bụ nke carbon dị ala dị elu, chromium alloy dị ala, molybdenum, ihe nickel case hardening steel. Akwụsị mmanụ & Ike Ike bụ 28-34 HRc. GB 20Cr steel Annealing nnyefe siri ike na-erughị 250HB.20Cr Site na oke ọdịnaya carbon dị ala, yabụ GB 20Cr alloy steel nwere ezigbo weldability.

GB 20Cr alloy ígwè Ẹkot nkọwapụta: ASTM A29 / A29M, DIN EN 10083 / 3, JIS G4053 na GB / T 3077. GB 20Cr Ẹkot ígwè gburugburu mmanya na ewepụghị Ogwe nwere ike bee gị chọrọ nha. China ígwè 20Cr na-ekpo ọkụ akpọrepu na esorowo ígwè mmanya nwekwara ike ọnọ, na-enye a elu àgwà ngwá ọrụ ígwè nkenke n'ala ngwá ọrụ ígwè mmanya ka gị chọrọ tolerances. GB 20Cr nchara ihe eji eme ihe na-enye n'ụdị okirikiri, square na dị larịị.
GB 20Cr alloy Steel bụ igwe anaghị agba nchara na agbanyụ ọkụ. Ọ bụ nke obere carbon dị elu, chromium alloy dị ala, molybdenum, nickel case hardening steel. Mmanụ kwụsịrị & iwe GB 20Cr Steel siri ike bụ 28-34 HRc. GB 20Cr steel Annealing nnyefe na-esi ike na-erughị 250HB. Site na oke ọdịnaya carbon dị ala, GB 20Cr alloy steel dakọtara nwere ezigbo weldability.
A na-eji GB 20Cr arụrụ arụ nchara na igwe na-ekpo ọkụ na-ekpo ọkụ maka ngwa dị iche iche na-eji na ụlọ ọrụ ụgbọ ala na injinia maka ndị na-eji ngwá ọrụ na ihe ndị ọzọ dị otú ahụ. A na-ejikarị eme ihe n'ịrụpụta ihe a na-achọ ka elu, ike nke obi elu na-eyi, n'okpuru ngalaba n'okpuru 30 mm ma ọ bụ obere akụkụ carburized nke ọdịdị dị mgbagwoju anya na ibu (nkwụsị mmanụ), dị ka: ngwongwo nnyefe, ogwe osisi, CAM, worm, piston. ntụtụ, clutch clutch, wdg

E jiri ya tụnyere ígwè 15Cr, ọ nwere ike dị elu na ike siri ike. Dayameta siri ike siri ike na mmanụ ruru 4-22mm, na dayameta siri ike siri ike na mmiri ruru 11-40mm, mana ike ya adịghị mma. Enwere mmasị na ọka na-eto eto, na nkwụsịtụ ozugbo na oyi na-enwe mmetụta dị ukwuu na mmetụta siri ike. Ya mere, mgbe carburizing, nke abụọ quenching na-achọrọ iji melite ike nke akụkụ isi na-enweghị iwe ọkụ nkoropụ; ígwè nwere nnukwu oyi na-atụ plasticity na ike ịdọrọ na oyi ọnọdụ. ; Machinability dị mma n'okpuru elu okpomọkụ normalizing ma ọ bụ quenching na tempering ala, ma ogbenye mgbe annealing; 20Cr bụ pearlite, na ezigbo weldability, n'ozuzu adịghị mkpa okpomọkụ ọgwụgwọ mgbe ịgbado ọkụ, ma akụkụ na a ọkpụrụkpụ karịrị 15mm mkpa ka preheated tupu ịgbado ọkụ Mgbe ọ ruru 100 ~ 150 ℃, tempering okpomọkụ ọgwụgwọ adịghị achọrọ mgbe ịgbado ọkụ.

20Cr na-ekpo ọkụ akpọrepu ígwè mpempe akwụkwọ Chemical mejupụtara

Ngwakọta kemịkalụ (%)
Ọkwa ígwè	C	Si	Mn	P	S	Cr	Ni	Ku
20Cr	0.18～0.24	0.17～0.37	0.50～0.80	≤0.035	≤0.035	0.70～1.00	≤0.030	≤0.30

Ngwa igwe

Ike mpụta σs /MPa (>=)	Ike tensile σb/MPa (>=)	Ogologo oge δ5/% (>=)	Mbelata mpaghara ψ/% (>=)	Mmetụta nnabata ike Aku2/J (>=)	Isi ike HBS 100/3000 max
≧540	≧835	≧10	≧40	≧47	≦179

Dakọtara Nke 20Cr alloy Structure Steel

USA	Germany	China	Japan	France	England	Ịtali	Poland	ISO	Austria	Sweden	Spain
ASTM/AISI/UNS/SAE	DIN,WNr	GB	JIS	AFNOR	BS	UNI	PN	ISO	ONORM	SS	UNE
5120 / G51200	20Cr4 / 1.7027	20Cr	SCr420	18C3	527A20			20Cr4

Ọgwụgwọ okpomọkụ metụtara

• Mwepu nke 20Cr Alloy structural steel

Jiri nwayọọ na-ekpo ọkụ ruo 850 ℃ ma kwe ka oge zuru ezu, hapụ nchara ahụ ka ọ kpoo ọkụ nke ọma, wee kpoo nwayọọ nwayọọ na ọkụ. Igwe nchara 20Cr ga-enweta MAX 250 HB ( hardness Brinell).

• Ịkwado nke GB Alloy structural steel 20Cr

Nke mbụ na-ekpo ọkụ na-ekpo ọkụ ruo 880 ° C, mgbe ahụ, mgbe ịsachara nke ọma na mmanụ ma ọ bụ mmiri. Iwe ozugbo ngwa ọrụ ruru okpomọkụ ụlọ. Nke abụọ na-emenyụ ọkụ ruo 780-820 ° C, wee mebie mmanụ ma ọ bụ mmiri.

• Okpomọkụ nke 20Cr Alloy structural steel

Kpoo ọkụ ruo 20 Celsius, wee dị jụụ na mmiri ma ọ bụ mmanụ. ike nnyefe nkịtị 179HB Min.

Ngwa

A na-eji GB 20Cr ígwè eme ihe n'ọtụtụ ebe maka ngwa dị iche iche nke eji eme ihe na ụlọ ọrụ ụgbọ ala na injinia maka ndị na-eji ngwá ọrụ na ihe ndị ọzọ dị otú ahụ. A na-ejikarị eme ihe n'ịrụpụta ihe a na-achọ ka elu, ike nke obi elu na-eyi, n'okpuru ngalaba n'okpuru 30 mm ma ọ bụ obere akụkụ carburized nke ọdịdị dị mgbagwoju anya na ibu (nkwụsị mmanụ), dị ka: ngwongwo nnyefe, ogwe osisi, CAM, worm, piston. ntụtụ, clutch clutch, wdg; N'ihi na okpomọkụ ọgwụgwọ deformation na elu abrasion eguzogide akụkụ, kwesịrị ịdị elu ugboro elu quenching mgbe carburizing, dị ka modulus bụ ihe na-erughị 3 nke gia, aro, spline aro, wdg Nke a ígwè nwere ike ji mee ihe na quenched na tempered ala na. eji na mmepụta nke nnukwu na ọkara n'okpuru mmetụta ibu na ya ọrụ akụkụ, ụdị ígwè nwekwara ike ga-eji dị ka a ala carbon martensite ígwè quenching, n'ihu na-amụba ígwè mkpụrụ ike na tensile ike mụbara (banyere 1.5 ~ 1.7 ugboro). Ngwa a na-ahụkarị dịka ozu valvụ, nfuli na ihe ndozi, Shaft, nnukwu ibu nke wiil, bolts, bolts nwere isi abụọ, gia, wdg.

Ogo mgbe niile na ndidi

Ogwe okirikiri ọla: dayameta Ø 5mm - 3000mm

efere ígwè: ọkpụrụkpụ 5mm - 3000mm x obosara 100mm - 3500mm

Ogwe Hexagonal ígwè: Hex 5mm - 105mm

Ndị ọzọ 20Cr akọwapụtaghị nha, biko kpọtụrụ ndị otu ahịa anyị nwere ahụmahụ.

Nhazi

GB 20Cr alloy steel gburugburu mmanya na akụkụ dị larịị nwere ike bee ka nha gị chọrọ. 20Cr alloy steel ground mmanya nwekwara ike ịnye, na-enye ngwá ọrụ dị elu igwe nchara nchara nchara nchara nchara maka nnabata gị chọrọ. GB 20Cr steel dịkwa ka Ground Flat Stock / Gauge Plate, n'ụdị ọkọlọtọ na nke na-abụghị ọkọlọtọ.