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 structural ngwaahịa igwe - Nkebi nke 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: nhazi / nhazi ọnọdụ ígwè. 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 l:≤0.02, Ti:≤0.05, Cr:≤0.3, 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
