GB Standard Q355 HSLA Steel Phaj
Q355 yog ib hom hlau. Nws yog cov hlau uas tsis tshua muaj siab zog cov qauv hlau, dav siv hauv cov choj, tsheb, nkoj, cov tsev, cov hlab ntsha siab, cov khoom siv tshwj xeeb, thiab lwm yam, qhov "Q" txhais tau tias muaj zog tawm los, 355 qhia tias lub zog tawm ntawm cov hlau no yog 355MPa, thiab yuav nrog qhov nce ntawm cov thickness ntawm cov khoom ua kom tus nqi tawm los txo.
Q355 steel muaj ntau qhov zoo dua lwm hom qauv hlau. Nws muaj cov khoom siv zoo heev, siab zog thiab zoo weldability. Q355 steel kuj muaj corrosion kuj, tsis tshua muaj kub toughness thiab qaug zog kuj. Nws yog kev xaiv kev lag luam thiab txhim khu kev qha rau ntau daim ntawv thov hauv kev lag luam sib txawv.
Q355 steel muaj nyob rau hauv tsib qib zoo: Q355B, Q355C, Q355D, Q355E, thiab Q355GNH.
Q355 siab zog tsawg alloy steel phaj tshuaj muaj pes tsawg leeg
| Qib Steel | Qib Qib | C% (tsawg dua lossis sib npaug) | Si% (Less tshaj los yog sib npaug) | Mn (Less tshaj los yog sib npaug) | P (Less tshaj los yog sib npaug) | S (Less tshaj los yog sib npaug) | Cr (Less tshaj los yog sib npaug) | Ni (Less than los sib npaug) | Cu (Less tshaj los yog sib npaug) | N (Less tshaj los yog sib npaug) |
| Q355 | Q355B | 0.24 | 0.55 | 1.6 | 0.035 | 0.035 | 0.30 | 0.30 | 0.40 | 0.012 |
| Q355C | 0.20 | 0.030 | 0.030 | 0.012 | ||||||
| Q355D | 0.20 | 0.025 | 0.025 | – |
q355 siab zog tsawg alloy daim ntawv txhua yam khoom
| Yield Strength (Ntau dua lossis sib npaug N / mm2), Thickness lossis Dia. (d) hauv mm | ||||||||||
| Qib Steel | Qib zoo | d Tsawg dua los yog sib npaug rau 16 | 16< d ≤40 | 40 | 63 | 80< d ≤ 100 |
100< d≤ 150 |
150 | 200 | 250 | |
| Q355 | Q355B | 355 | 345 | 335 | 325 | 315 | 295 | 285 | 275 | – |
| Q355C | – | |||||||||
| Q355D | 265 | |||||||||
| Tensile zog (N / mm2), Dia. (d) mm | |||||
| Qib Steel | Qib zoo | d Tsawg dua lossis sib npaug li 100 | 100 | 150 | 250 | |
| Q355 | Q355B | 470 – 630 | 450 – 600 | 450 – 600 | – |
| Q355C | – | ||||
| Q355D | 450 – 600 | ||||
q355 qib siab zog qis alloy steel ntawv Cov Khoom Paub meej
Q355B: Cov qib steel no paub txog nws lub zog siab thiab cov cuab yeej zoo heev. Nws yog feem ntau siv rau cov khoom siv, xws li kab teeb thiab kab, thiab hauv kev tsim cov tshuab hnyav.
Q355C: Q355C zoo ib yam li Q355B hais txog lub zog thiab cov khoom siv tshuab. Nws yog feem ntau siv rau hauv kev tsim cov choj, cov qauv hauv ntug dej hiav txwv thiab lwm yam hnyav - cov ntawv thov uas lub zog thiab lub zog yog qhov tseem ceeb.
Q355D: Q355D yog lub siab - lub zog steel nrog txhim kho weldability thiab cuam tshuam tsis kam piv rau Q355B thiab Q355C. Nws yog siv nyob rau hauv ntau yam lag luam xws li kev tsim kho, tshuab tsev thiab cov khoom siv mining.
Q355 hSLA qauv steel phaj Khoom duab
Khoom Description
Khoom Description
Khoom Description
Peb cov khoom tau dhau los ua qhov zoo nruj thiab tuaj nrog cov ntawv pov thawj kev tshaj lij. Yog tias koj muaj lus nug txog GB Standard Q355 HSLA Steel Phaj, thov koj xav tshuaj xyuas.
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