Q345 Carbon Steel Khoom
steel khoom Taw qhia
Qhov txiaj ntsig loj ntawmQ345steel yog nws qhov kub thiab txias, yooj yim rau kev tsim thiab vuam. Q345 steel yog ib yam ntawm Suav standardized low alloy, nruab nrab tensile lub zog steel ua nrog cov txheej txheem kub dov, siv rau ntau lub hom phiaj tsim. Rau qee qhov, Q345 muaj tib yam khoom thiab muaj pes tsawg leeg ntawm ASME A572, uas yogQ345 yog sib npaug rau A572.
Yield zog
Lub zog tawm los yog qhov taw tes tawm los yog cov khoom siv tau txhais raws li qhov kev ntxhov siab uas cov khoom pib deform plastically. Ua ntej qhov taw tes tawm los, cov khoom siv yuav deform elastically thiab yuav rov qab mus rau nws cov duab qub thaum lub zog thov raug tshem tawm. Lub zog ntawm Q345B yog 345 Mega Pascals. Zoo li feem ntau steels ntawm nws qib, nws raug elongation ua ntej nws rub tawm, feem ntau ntawm 20-21 feem pua ntawm nws qhov pib ntev.
Tensile zog
Lub zog tensile ntawm cov khoom siv yog qhov siab tshaj plaws ntawm tensile kev nyuaj siab uas nws tuaj yeem siv ua ntej tsis ua haujlwm, piv txwv li tawg. Steel tensile zog yog qhia nyob rau hauv units ntawm quab yuam muab faib los ntawm cross sectional cheeb tsam; Hauv Metric system, chav tsev no hu ua Pascal. Ib tug Pascal yog ib tug Newton ib square meter. Lub zog tensile ntawm Q345 steel yog nyob ntawm 470 txog 660 Mega Pascals.
Hardness
Brinell scale hardness characterizes lub indentation hardness ntawm cov ntaub ntawv los ntawm lub teev ntawm nkag mus rau hauv ib tug indenter, loaded rau ib tug khoom kuaj-daim. Nws yog ib qho ntawm ntau lub ntsiab lus ntawm hardness hauv cov ntaub ntawv tshawb fawb.
Steel phaj Khoom Paub meej
Q345 Steel Phaj Chemical Property
| Lub npe | Qib | Chemical Composion% | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| C Tsawg dua los yog sib npaug | Mn | Si Less than los sib npaug | P Tsawg dua lossis sib npaug | S Tsawg dua los yog sib npaug | V | Nb Tsawg dua los yog sib npaug | Ti | Al Tsawg dua lossis sib npaug | ||
| Q345 | A | 0.20 | 1.00-1.60 | 0.55 | 0.045 | 0.045 | 0.02-0.15 | 0.015-0.060 | 0.2 | |
| B | 0.20 | 1.00-1.60 | 0.55 | 0.040 | 0.040 | 0.02-0.15 | 0.015-0.060 | 0.2 | ||
| C | 0.20 | 1.00-1.60 | 0.55 | 0.035 | 0.035 | 0.02-0.15 | 0.015-0.060 | 0.2 | 0.015 | |
| D | 0.18 | 1.00-1.60 | 0.55 | 0.030 | 0.030 | 0.02-0.15 | 0.015-0.060 | 0.2 | 0.015 | |
| E | 0.18 | 1.00-1.60 | 0.55 | 0.025 | 0.025 | 0.02-0.15 | 0.015-0.060 | 0.2 | 0.015 | |
steel phaj Product Image

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Kev cog lus rau kev tswj hwm nruj thiab kev pabcuam rau cov neeg siv khoom, peb muaj cov neeg ua haujlwm paub txog kev tsim khoom npaj kom tau raws li koj xav tau thiab ua kom cov neeg siv khoom txaus siab. Peb lav koj zoo nyob hauv Suav teb.

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GNEE Group cov neeg siv khoom tuaj xyuas

Yog tias koj muaj kev xav tau ntau ntxiv thiab cov lus nug txog steel, peb zoo siab los qhia koj!
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