ASTM SA283GrC/Z25 Steel mpempe akwụkwọ na-ebunye na ọnọdụ akpọrepu ọkụ SA283GrC ọnọdụ nnyefe:
Ọkwa nnyefe SA283GrC: N'ozuzu na ọnọdụ nnyefe dị ọkụ, a ga-egosipụta ọkwa nnyefe akọwapụtara na akwụkwọ ikike.
Uru ihe mejupụtara kemịkalụ SA283GrC: Mara: Ngwakọta kemịkalụ n'ezie na akwụkwọ ikike ụlọ ọrụ igwe ga-emeri.
Carbon C: ≤0.24 Si: (efere igwe ≤40) ≤0.40 (efere igwe> 40) 0.15-0.40
Manganese Mn: ≤0.90 Sulfur S: ≤0.040 Phosphorus P: ≤0.035
Copper Cu: 0.20 ma ọ bụ obere
SA283GrC ígwè efere kwesịrị ekwesị maka riveting, bolting na ịgbado ọkụ owuwu maka Bridges na ụlọ.Ọ bụ n'ozuzu nzube carbon structural ígwè na structural ígwè àgwà.
SA283GrC ọkwa nnyefe igwe anaghị agba nchara: mpịakọta na-ekpo ọkụ, mpịakọta a na-achịkwa, ọnọdụ nnyefe nkịtị
Ihe maka ụlọ mgbawa ọkụ SM400ZL ígwè efere:
SM400ZL bụ ọkọlọtọ Japanese dị ala alloy dị elu dị ike maka ihe ngbanwe shei.Ọkọlọtọ a na-akọwapụta nha, udi, teknụzụ chọrọ, ụzọ nnwale, iwu nyocha, nkwakọ ngwaahịa, akara na asambodo ịdị mma nke efere igwe maka ọkụ ọkụ, ihe ntụgharị na mkpuchi ọkụ ọkụ.Ọ bụ ọdabara na ígwè efere maka ọkụ shei na ọkpụrụkpụ nke 8mm ~ 200mm.Ọkpụrụkpụ ọkpụrụkpụ na-adịghị mma nke efere igwe SM400ZL na-ejedebe na -0.25mm, na mpaghara nnabata ọkpụrụkpụ ga-agbaso GB/T709.
S355NL ígwè efere [8-200 oké] ịkpụ ihe mejupụtara, ihe onwunwe ndepụta:
S355NL ọkọlọtọ ọkọlọtọ: EN10025-3: zuru aha: normalizing / normalizing akpọrepu weldable ezi ọka structural efere efere.Standardkpụrụ a na EN 10025-1 jikọtara ọnụ EN 10113-1: 1993 na-ekpo ọkụ na-ekpo ọkụ weldable ezi ọka nhazi ngwaahịa igwe - Nkebi 1: Ọnọdụ izugbe na EN 10113-2: 1993 na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ - Nkebi II: normalizing / normalizing akpọrepu ígwè ọnọdụ.Mgbe okpomọkụ nke ọkwa adịghị ala karịa - 20 Celsius C, a na-egosipụta uru kacha nta nke ike mmetụta akọwapụtara na N;mgbe okpomọkụ adịghị ala karịa - 50 Celsius C, a na-egosipụta uru kacha nta nke ike mmetụta akọwapụtara na NL.
2. The kwekọrọ pụtara S355NL ígwè efere ọkwa akwụkwọ ozi:
S: structural steel, N: steeti, isi obodo L: ọkwa nke kacha nta ike mmetụta ike mgbe okpomọkụ adịghị ala karịa - 50 ° C
S355ML efere ígwè [8-200mm gbara ọkpụrụkpụ] ntụgharị ọkụ ọkụ
A na-ebunye efere ígwè S355ML n'ụdị ntụgharị ọkụ ọkụ
Achọrọ ihe mejupụtara kemịkalụ S355ML
C: 0.14, Si:≤0.5, Mn:≤1.6, P：≤0.025, S：≤0.02, Nb:≤0.05, V：≤0.1, Al：≤0.02，0 Ti. Ni: 0.5, Mo:≤0.1, Cu:≤0.55, N：≤0.015.
S355ML ígwè efere bụ a na-ekpo ọkụ-akpọrepu weldable ezi ọka structural ígwè, nke usoro nke ala alloy elu-ike efere ígwè.Ọ bụ ngwaahịa a na-agbagharị agbagharị nke nwere oke nke na-erughị 120mm na ogologo ngwaahịa na-enweghị ihe karịrị 150mm.S pụtara nchara nhazi, 355 na-egosi na obere mkpụrụ mkpụrụ nke ọkpụrụkpụ dị mkpa na-erughị 16mm bụ 355MPa, na M na-anọchi anya nnyefe ya, ya bụ, ntụgharị ọkụ.Iwu bụ na mmetụta na okpomọkụ nke ọ bụghị ihe na-erughị - 50 degrees na-egosi site isi obodo leta L. S355 bụ non alloy structural ígwè.
Ngwa akporo S355ML ígwè efere
Na mgbakwunye na ígwè EN10,025-1, a na-ejikwa atụmatụ ígwè akọwapụtara nke ọma na ọkọlọtọ a maka akụkụ ndị na-ebu ibu nke ihe ndị a na-eji welded na-eji gburugburu àkwà mmiri, sluices, tankị nchekwa, tankị mmiri, wdg na obere okpomọkụ.
Oge nzipu: Dec-14-2022
