1. Mpịakọta iji dezie ebumnuche nke paragraf a
H13 anwụ ígwèa na-eji na-arụpụta forging anwụ na elu mmetụta ibu, na-ekpo ọkụ extrusion anwụ, nkenke forging anwụ;nkedo anwụ anwụ maka aluminom, ọla kọpa na alloys ha.

Ọ bụ mmeghe nke H13 ikuku quench hardening ọkụ ọrụ anwụ ígwè si United States.Ngwongwo ya na ojiji ya bụ otu ihe ahụ dị na ígwè 4Cr5MoSiV, mana n'ihi ọdịnaya vanadium ya dị elu, arụmọrụ okpomọkụ ya (ogo 600) dị mma karịa ígwè 4Cr5MoSiV.Ọ bụ ọkwa nchara na-anọchite anya ya na ọtụtụ ihe eji eme ihe na-arụ ọrụ ọkụ anwụ nchara.
2. Atụmatụ
Electroslag remelted ígwè, ígwè nwere nnukwu hardenability na thermal mgbape mgbape, nchara nwere a elu ọdịnaya nke carbon na vanadium, ezigbo eyi iguzogide, dịtụ ike ike ọgwụgwụ, na ezigbo okpomọkụ na-eguzogide.Na elu okpomọkụ, ọ nwere mma ike na ike siri ike, elu eyi na-eguzogide na siri ike, magburu onwe keukwu n'ibu Njirimara na elu tempering iguzogide nkwụsi ike.
3. Ngwakọta kemịkalụ nke ígwè
H13 ígwè bụ ígwè C-Cr-Mo-Si-V, nke a na-ejikarị eme ihe n'ụwa.N'otu oge ahụ, ọtụtụ ndị ọkà mmụta si mba dị iche iche emeela nchọpụta dị ukwuu na ya ma na-enyocha ọganihu nke ngwakọta kemịkal.A na-eji ígwè eme ihe n'ọtụtụ ebe ma nwee àgwà magburu onwe ya, karịsịa site na ihe mejupụtara kemịkalụ nke ígwè.N'ezie, a ghaghị ibelata ihe ndị na-adịghị ọcha na ígwè.Ụfọdụ data na-egosi na mgbe Rm bụ 1550MPa, a na-ebelata ọdịnaya sọlfọ nke ihe ahụ site na 0.005% ruo 0.003%, nke ga-eme ka mmetụta siri ike dịkwuo ihe dịka 13J.N'ụzọ doro anya, ọkọlọtọ NADCA 207-2003 na-ekwu na ọdịnaya sọlfọ nke H13 ígwè adịchaghị erughị 0.005%, ebe sọlfọ ọdịnaya nke dị elu kwesịrị ịbụ ihe na-erughị 0.003% S na 0.015% P.A na-enyocha ihe mejupụtara ígwè H13 n'okpuru.

Carbon: American AISI H13, UNS T20813, ASTM (ụdị kacha ọhụrụ) H13 na FED QQ-T-570 H13 ígwè nwere carbon ọdịnaya nke (0.32 ~ 0.45)%, nke bụ ihe kasị carbon ọdịnaya niile.H13 ígwè.ObosaraỌdịnaya carbon nke German X40CrMoV5-1 na 1.2344 bụ (0.37 ~ 0.43)%, na oke ọdịnaya carbon dị warara.Na German DIN17350, carbon ọdịnaya nke X38CrMoV5-1 bụ (0.36 ~ 0.42)%.Ọdịnaya carbon nke SKD 61 na Japan bụ (0.32 ~ 0.42)%.Ọdịnaya carbon nke 4Cr5MoSiV1 na SM 4Cr5MoSiV1 na mba m GB/T 1299 na YB/T 094 bụ (0.32 ~ 0.42)% na (0.32 ~ 0.45)%, nke bụ otu SKD61 na AISI H13, n'otu n'otu.Karịsịa, ekwesịrị ịkọwapụta na carbon ọdịnaya nke H13 ígwè dị na North American Die Casting Association NADCA 207-90, 207-97 na 207-2003 ụkpụrụ akọwapụtara dị ka (0.37 ~ 0.42)%.

H13 ígwè nwere 5% Cr kwesịrị inwe nnukwu ihe siri ike, ya mere, a ga-edobe ọdịnaya C ya na ọkwa nke na-emepụta obere ihe ngwakọta C.Woodyatt na Krauss kwuru na na Fe-Cr-C ternary usoro eserese na 870 ℃, ọnọdụ nke H13 ígwè dị mma na nkwụsị nke austenite A na (A + M3C + M7C3) mpaghara atọ.Ọdịnaya C kwekọrọ na ya bụ ihe dịka 0.4%.Ọnụọgụ a gosikwara mmụba nke ọnụọgụ C ma ọ bụ Cr iji mee ka ọnụọgụ M7C3 dịkwuo elu, yana igwe A2 na D2 nwere nguzogide iyi dị elu maka ntụnyere.Ọ dịkwa mkpa ịnọgide na-enwe ọdịnaya C dịtụ ala iji mee ka akara Ms nke nchara were ọkwa dị elu dị elu (a na-akọwakarị Ms nke H13 dị ka 340 ℃), nke mere na ígwè ahụ nwere ike imenyụ ọkụ.Nweta ihe owuwu ngwakọta C alloy nke kachasị nke martensite gbakwunyere ntakịrị ihe fọdụrụnụ A na nkesa edo edo, wee nweta ihe owuwu martensite na-edoghị anya mgbe ọ gachara.Zere ngbanwe nke ukwuu austenite echekwabara na okpomọkụ na-arụ ọrụ iji metụta arụmọrụ ọrụ ma ọ bụ nrụrụ nke workpiece.Obere ego austenite echekwabara kwesịrị ịgbanwe kpamkpam na usoro iwe ọkụ abụọ ma ọ bụ atọ mgbe emechara.Site n'ụzọ, e gosiri ebe a na martensite Ọdịdị nwetara mgbe quenching nke H13 ígwè bụ lath M + a obere ego nke flake M + a obere ego nke fọdụrụnụ A. The nnọọ mma alloy carbide precipitated na lath M mgbe tempering.Ndị ọkà mmụta ụlọ arụkwara ụfọdụ ọrụ