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I-ASTM A516 vs A36, A572, Q355: Ukukhetha Ipuleti Lensimbi Elifanele Lokwakha Kwanamuhla

Njengoba imboni yokwakha iqhubeka nokukhula, ukukhetha ipuleti lensimbi elifanele lamaphrojekthi ezakhiwo kubaluleke kakhulu kunanini ngaphambili.Ipuleti lensimbi le-ASTM A516, eyaziwa kabanzi ngokuthi insimbi yekhabhoni esetshenziswa emikhunjini yokucindezela, ithola ukunakwa kakhulu ekusetshenzisweni kokwakha ngenxa yamandla ayo aphezulu, ukushibilika okuhle kakhulu, kanye nokusebenza kwayo ekushiseni okuphansi. Kodwa iqhathaniswa kanjani nezinye izinsimbi zesakhiwo ezisetshenziswa njalo njengeAmapuleti ensimbi e-ASTM A36 , Amapuleti ensimbi e-ASTM A572, kanye namashidi ensimbi e-Q355 aseShayina?

Ukusebenza Kwemishini Namandla

I-ASTM A516 (Amabanga 60-70) inikeza amandla okukhiqiza angu-260–290 MPa kanye namandla okudonsa afinyelela ku-550 MPa, kuhlanganiswe nokuqina okuphezulu kokushisa okuphansi okufika ku--45°C. Uma kuqhathaniswa:

I-ASTM A36– Amandla okukhiqiza angu-250 MPa, ukuthambekela okungu-400–550 MPa, ukusebenza okuvamile kokushisa okuphansi.

I-ASTM A572 (Gr.50)– Ikhiqiza i-345 MPa, i-tensile 450–620 MPa, ukushibilika okuhle kakhulu kanye nokuqina kwezinga lokushisa eliphansi.

Q355– Ikhiqiza i-355 MPa, i-tensile 470–630 MPa, esetshenziswa kabanzi kumaphrojekthi okwakha aseShayina ngenxa yamandla ayo aphezulu nokuqina kwayo.

Lokhu kwenza i-A516 ifaneleke kakhulu emithini yemithwalo esindayo, amapuleti okuphela kwebhuloho, kanye nezingxenye zesakhiwo ezindaweni ezibandayo.

Izicelo Zokwakha Ezijwayelekile

Insimbi Izicelo
I-ASTM A516 Amapuleti athwala umthwalo, izingxenye zebhuloho, izakhiwo ezishisa kancane, izinto ezisekela ingcindezi
A36 Imishayo ejwayelekile, amakholomu, kanye nohlaka oluyisisekelo lwesakhiwo
A572 Imishayo yezakhiwo eziphakeme, izitshalo zezimboni, amabhuloho, izakhiwo ezimelana nesimo sezulu
Q355 Izakhiwo zezimboni, izindawo zokugcina impahla, amabhuloho, amapuleti athwala imithwalo
Umkhiqizi Omkhulu Weqembu Lensimbi Yasebukhosini Yamashidi Namapuleti Ensimbi Asezingeni Eliphezulu

Ukucubungula kanye nokushibilika

Ukushibilika okuhle kakhulu kwe-A516 kuvumela ukuthi ibunjwe ibe amapuleti aqinile athwala umthwalo, amalunga ashibilikile, kanye nezingxenye zesakhiwo eziqinisiwe. I-A36 kulula ukuyicubungula kodwa ayifaneleki kangako ekusetshenzisweni kwemithwalo esindayo noma isikhathi eside. I-A572 kanye ne-Q355 zinikeza amandla aphezulu kodwa zidinga ukulawulwa kokushibilika okucophelelayo kwezingxenye ezijiyile.

Ukukhetha Insimbi Efanele

Kumaphrojekthi okwakha esimanje, onjiniyela bacabanga kakhulu nge-ASTM A516 lapho izingxenye zesakhiwo zidinga kokubili amandla kanye nokusebenza kwezinga lokushisa eliphansi. Kumafreyimu okwakha ajwayelekile, i-A36 isalokhu iyisinqumo esingabizi kakhulu. Okwamanje, i-A572 ne-Q355 zikhethwa kakhulu ezakhiweni eziphakeme, amabhuloho, kanye nezakhiwo zezimboni lapho amandla aphezulu nokuqina kubalulekile khona.

Njengoba amazinga okwakha enyuka emhlabeni jikelele, ukuqonda umehluko omncane phakathi kwamazinga ensimbi kubalulekile ukuze kuthuthukiswe ukuphepha, izindleko, kanye nokusebenza kunoma yimuphi umsebenzi.

IQEMBU LASEBUKHOSINI

Ikheli

Indawo yezimboni zokuthuthukiswa kweKangsheng,
Isifunda saseWuqing, idolobha laseTianjin, eChina.

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Isikhathi sokuthunyelwe: Disemba-01-2025