Akụkọ - "Ihe niile na-eme gburugburu" na Carbon Steel Plate

Carbon ígwè efere bụ otu n'ime ndị kasị isi edemede nke ígwè ihe. Ọ dabeere na ígwè, na a carbon ọdịnaya n'etiti 0.0218%-2.11% (ụkpụrụ ụlọ ọrụ), na enweghị ma ọ bụ obere ego nke alloying ọcha. Dabere na ọdịnaya carbon, enwere ike kewaa ya n'ime:
Obere carbon ígwè(C≤0.25%): ịdị mma siri ike, dị mfe ịhazi, Q235 bụ nke ụdị a;
Ọkara carbon ígwè(0.25%)
Igwe carbon dị elu(C> 0.6%): isi ike dị oke elu na nnukwu nkụja.

Q235 carbon ígwè: nkọwa na isi paramita (GB/T 700-2006 ọkọlọtọ)

Ihe mejupụtara	C	Si	Mn	P	S
Ọdịnaya	≤0.22%	≤0.35%	≤1.4%	≤0.045%	≤0.045%

Njirimara igwe:
Ike mpụta: ≥235MPa (ọkpụrụkpụ ≤16mm)
Ike nkwụsị: 375-500MPa
Mgbatị: ≥26% (ọkpụrụkpụ ≤16mm)

Ihe na arụmọrụ

Ihe:Ihe ndị a na-ahụkarị gụnyereGR.B, X42, X46, X52, X56, X60, X65, X70, wdg.

Njirimara arụmọrụ
Ike dị elu: Enwere ike iguzogide nrụgide dị elu nke mmiri mmiri dị ka mmanụ na gas na-emepụta n'oge njem.
Ike siri ike: Ọ dịghị mfe ịgbaji mgbe a na-enwe mmetụta mpụga ma ọ bụ mgbanwe geological, na-eme ka ọrụ nchekwa nke pipeline rụọ ọrụ.
Ezigbo Nguzogide corrosion: Dị ka ebe dị iche iche eji eme ihe na mgbasa ozi, ịhọrọ ihe kwesịrị ekwesị na ụzọ ọgwụgwọ elu nwere ike iguzogide corrosion nke ọma ma gbasaa ndụ ọrụ nke pipeline.

Njiri mara '' dike hexagonal' nke Q235

Ịrụ ọrụ nhazi mara mma
Weldability: Ọ dịghị preheating chọrọ, adabara arc ịgbado ọkụ, gas ịgbado ọkụ na ndị ọzọ Filiks (dị ka ụlọ ígwè Ọdịdị ịgbado ọkụ);
Oyi Formability: Enwere ike ịgbaji ngwa ngwa na stampụ (ihe atụ: igbe nkesa shei, ikuku ventilashion);
Ịrụ ọrụ: Arụmọrụ kwụsiri ike n'okpuru ịkpụ ọsọ ọsọ (nhazi akụkụ igwe).
Nhazi igwe zuru oke

Ike vs Ike: 235MPa ike mkpụrụ na-eburu n'uche ma ibu ibu na nguzogide mmetụta (tụnyere Q195's 195MPa);
Ndakọrịta ọgwụgwọ elu: Ọ dị mfe iji galvanize na ịgba agba (dị ka ebe nchekwa, keels nchara dị ọkụ).
Ịrụ Ọrụ Akụ na ụba pụtara ìhè
Ọnụ ego ahụ dị ihe dị ka 15% -20% dị ala karịa nke ígwè dị elu nke dị ala (dị ka Q345), dị mma maka nnukwu ngwa ngwa.
Ọkwa dị elu nke Standardization
Ọkpụrụkpụ nkịtị: 3-50mm (ngwaahịa zuru oke, ibelata okirikiri nhazi nhazi);
Ụkpụrụ mmejuputa iwu: GB/T 700 (ụlọ), ASTM A36 (nke mba ụwa).

Zụta ma jiri "Ntuziaka Mwepu"

Nchọpụta ogo:
Ọdịdị: enweghị mgbawa, scars, folds (GB/T 709 plate shape standard);
Akwụkwọ ikike: Lelee ihe mejupụtara, ihe eji arụ ọrụ na akụkọ nchọpụta ntụpọ (achọrọ nchọpụta ntụpọ UT maka akụkụ nhazi dị mkpa).
Atụmatụ mgbochi corrosion:
Ime ụlọ: agba mgbochi nchara (dị ka agba uhie uhie) + topcoat;
N'èzí: na-ekpo ọkụ-mikpu galvanizing ( mkpuchi ≥85μm) ma ọ bụ ịgba fluorocarbon mkpuchi.
Ederede ịgbado ọkụ:
Nhọrọ mkpara ịgbado ọkụ: E43 usoro (dị ka J422);
Efere dị obere(≤6mm): ọ dịghị preheating a chọrọ, oké efere (> 20mm): preheat 100-150 ℃ iji gbochie cracks.