Ngwakọta kemịkalụ na akụrụngwa akụrụngwa
Ngwakọta kemịkalụ
ọkwa ígwè |
C |
Si |
Mn |
P |
S |
Als |
Ọkwa A |
≤0.21 |
≤0.50 |
≥2.5C |
≤0.035 |
≤0.035 |
- |
Ọkwa B |
≤0.21 |
≤0.35 |
0.8-1.2 |
≤0.035 |
≤0.035 |
- |
Ọkwa D |
≤0.21 |
≤0.35 |
0.6-1.2 |
≤0.035 |
≤0.035 |
≥0.015 |
Ọkwa E |
≤0.18 |
≤0.35 |
0.7-1.2 |
≤0.035 |
≤0.035 |
≥0.015 |
Nhazi maka ọkwa dị iche iche
Ọkwa A na B
The n'ozuzu ike nke ọkwa A na B shipbuilding ígwè efere nwere ike izute chọrọ nke usoro na n'ibu Njirimara site nkịtị Rolling, otú mmepụta usoro bụ dịtụ mfe.
Ọkwa D, E (DH32, DH36, EH 32, EH 36)
Ọkwa D na E usoro (gụnyere AH32 /36, DH32, DH36, EH32, EH36) ụgbọ mmiri ígwè efere chọrọ ezigbo ala okpomọkụ siri ike na ezi ịgbado ọkụ arụmọrụ. Ọ dị mkpa ka emezigharị ihe nrụpụta ụgbọ mmiri siri ike dị elu nke na-ewu ígwè ígwè site na ntugharị na-achịkwa na njikwa jụrụ oyi ma ọ bụ usoro ọgwụgwọ okpomọkụ na ngwa zuru oke. N'otu oge ahụ, a chọrọ nchara nchara dị n'ime nke billet ndị a na-enye ka ọ dị elu, karịsịa ọdịnaya nke S, P, N, 0 na H na ígwè kwesịrị ịchịkwa nke ọma.
Ngwakọta Alloy agbakwunyere iji melite ike
Iji hụ na arụmọrụ nke efere ụgbọ mmiri dị elu, a na-anabata teknụzụ micro-alloying. Site n'ịgbakwunye Nb, V, Ti na ihe ndị ọzọ na-emepụta ihe na nchara, jikọtara ya na usoro ntụgharị a na-achịkwa, a na-anụcha ọka ahụ ma na-emeziwanye ike.
Ntuziaka nke mmepe maka efere ụgbọ mmiri
Ike dị elu, nkọwa dị elu, na nnukwu ụgbọ mmiri na nchekwa dị ukwuu, na mgbanwe nke mkpuchi mkpuchi, a na-eji nwayọọ nwayọọ na-ebelata ọchịchọ maka ndị nkịtị A-klas panels, na-achọsi ike maka ogwe ike dị elu na-abawanye, nke na-etinye uche na nnukwu ụgbọ mmiri. nke 5m n'obosara. Efere, 200-300mm ọkpụrụkpụ pụrụ iche nnukwu ụgbọ mmiri osisi.
Ihe eji arụ ọrụ
ọkwa ígwè |
Ọkpụrụkpụ /mm |
Ọnụ ego/MPa |
Ebe nkwụsịtụ /MPa |
Mgbatị/% |
Okpomọkụ/°C |
Nnwale mmetụta ụdị V |
Akv/J |
kwụ ọtọ |
Kehoraizin |
Ọkwa A |
≤50 |
≥235 |
400-490 |
≥22 |
- |
- |
- |
Ọkwa B |
≤50 |
≥235 |
400-490 |
≥22 |
0 |
≥27 |
≥20 |
Ọkwa D |
≤50 |
≥235 |
400-490 |
≥22 |
-10 |
≥27 |
≥20 |
Ọkwa E |
≤50 |
≥235 |
400-490 |
≥22 |
-40 |
≥27 |
≥20 |