Shandong Weichuan Metal Prodducts Co., Ltd.

S355j2h ibyuma bidafite ibyuma bikora uruganda rukora garanti yo kugurisha

Ibisobanuro bigufi:

S355J2 nigicuruzwa gisanzwe cyiburayi gishyushye-cyuma cyubatswe. Ibindi bikoresho murukurikirane rumwe, nka s355jo, nibindi.


Ibicuruzwa birambuye

Ibicuruzwa

Ibisobanuro

S355J2 igomba kubahiriza en10025-2: 2004 standard Igipimo gishaje (en10025: 1990)

C: ≤0.22; Si: ≤0.55; Mn: 601.60; P: ≤0.025; S: ≤0.025; Cu: ≤0.55 ;

-20 ℃: ≥27。

(Mpa): ≤16mm: ≥355: 16-40: ≥345; 40-63: 35335; 63—80: 25325;

80—100: ≥315; 100—150: 295; 150—200: ≥285; 200—250: ≥275; 250-400: ≥265。

S355j2h seamless steel pipe manufacturer warranty sales

Kuzunguruka bishyushye, kugenzurwa kugenzurwa, bisanzwe, nibindi.

S355jo nigicuruzwa gisanzwe cyu Burayi gishyushye cyubatswe nicyuma.

S355jo ishyira mubikorwa en10025-2: 2004 (Ibisanzwe bishaje (en10025: 1990)
Ubushyuhe bwo kuzimya umuyoboro w'icyuma gishyuha ni A3 + (30 ~ 50) ℃. Mu myitozo, imipaka yo hejuru irafatwa muri rusange. Ubushyuhe bwo hejuru burashobora kwihutisha ubushyuhe bwumuyaga wicyuma gike, kugabanya okiside yubutaka no kunoza imikorere. Kugirango bahuze austenite yakazi, hasabwa umwanya uhagije wo gufata. Niba itanura nyirizina rinini ari rinini, igihe cyo gufata kigomba kongerwa uko bikwiye. Bitabaye ibyo, gukomera bidahagije bishobora kubaho kubera ubushyuhe butaringaniye. Ariko, niba gufata umwanya ari muremure cyane, ibibi byintete nini hamwe na decarburisation ikomeye ya okiside na byo bizagaragara, bizagira ingaruka kumiterere. Twizera ko niba amafaranga yo kwishyuza arenze ayo yasobanuwe mu nyandiko, inzira yo gushyushya no gufata igihe igomba kongerwa na 1/5.

Kuberako gukomera kwicyuma giciriritse cyicyuma kiri hasi, hazakoreshwa 10% yumuti wa brine hamwe nigipimo kinini cyo gukonjesha. Igicapo kigomba kuzimwa neza nyuma yo kwinjira mumazi, ariko ntigikonje neza. Niba 45 # umuyoboro wicyuma ukonje neza mumazi yumunyu, igihangano gishobora gucika, ibyo bikaba biterwa no guhindura byihuse austenite muri martensite mugihe igihangano cyakonje kigera kuri 180 ℃, bikaviramo guhangayika cyane. Kubwibyo, mugihe icyuma kizimye ubushyuhe buke bwicyuma gikonje vuba kuri ubu bushyuhe, hagomba gukoreshwa uburyo bwo gukonjesha buhoro. Kubera ko ubushyuhe bwamazi asohoka bigoye kumenya, bigomba gukoreshwa nuburambe. Iyo kunyeganyeza ibihangano byakazi mumazi bihagaze, amazi asohoka arashobora gukonjeshwa umwuka (gukonjesha amavuta nibyiza). Mubyongeyeho, igihangano kigomba kwimuka aho guhagarara mugihe cyinjiye mumazi, kandi kigakora buri gihe ukurikije geometrie yakazi. Igicuruzwa gikonje giciriritse kandi gihagaze neza biganisha ku gukomera no guhangayika bitaringaniye, bikavamo guhinduka gukomeye ndetse no gucamo ibihangano.

Ubukomezi bwazimye umuyoboro wicyuma gike wubushyuhe bwo kuzimya no kugabanura ibice bigomba kugera kuri hrc56 ~ 59, kandi amahirwe yo kuba igice kinini ni make, ariko ntibigomba kuba munsi ya hrc48. Bitabaye ibyo, bivuze ko igihangano kitazimye burundu, kandi sorbite cyangwa na ferrite imiterere irashobora kugaragara muburyo. Iyi miterere iracyagumishijwe muri matrix binyuze mubushyuhe, budashobora kugera ku ntego yo kuzimya no kurakara.

Kubushyuhe bwo hejuru bwubushyuhe bwo hasi bwicyuma nyuma yo kuzimya, ubushyuhe bwo gushyuha mubusanzwe ni 560 ~ 600 and, naho ibikenewe ni hrc22 ~ 34. Kuberako intego yo kuzimya no gutwarwa ari ukubona ibintu byose byubukanishi, ubukana intera ni ngari. Ariko, niba igishushanyo gifite ibisabwa bikomeye, ubushyuhe bwubushyuhe bugomba guhinduka ukurikije ibisabwa kugirango ushushanye. Kurugero, imiyoboro imwe mike yubushyuhe buke busaba imbaraga nyinshi nubukomezi bukabije; Kubikoresho bimwe na bimwe bya shaft hamwe ninzira nyabagendwa, ibisabwa gukomera biri hasi kuko bigomba gusya hanyuma bikinjizwamo nyuma yo kuzimya no gushyuha. Ubushyuhe bwo gufata umwanya biterwa nuburemere bukenewe hamwe nubunini bwakazi. Twizera ko gukomera nyuma yubushyuhe biterwa nubushyuhe kandi ntaho bihuriye nigihe cyubushyuhe, ariko bigomba kongera kwinjira. Mubisanzwe, ubushyuhe bwo gufata umwanya wakazi burenze isaha imwe.


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