Kauv Rib Prestressed Steel Hlau

Prestressed steel hlau yog ib hom steel hlau ua los ntawm carbon steel hlau thiab siv nyob rau hauv prestressed pob zeb lug los yog prestressed steel lug. Kev faib tawm: Prestressed steel hlau tuaj yeem raug cais raws txoj kab uas hla, qib zog, txheej txheej, lossis ntoo khaub lig- cov duab ntu:

1. Los ntawm txoj kab uas hla: 4mm, 4.8mm, 5.0mm, 5.1mm, 6.0mm, 6.25mm, 7.0mm, 7.8mm, 8.0mm, 9.0mm, 9.5mm, 10.0mm, 11mm, 12mm, thiab lwm yam.

2. Los ntawm qib zog: Nruab nrab-lub zog prestressed steel hlau (800-1200MPa); High-strength prestressed steel hlau (1470MPa, 1570MPa, 1670MPa, 1770MPa, thiab 1860MPa, thiab lwm yam.). 3. Raws li txheej txheej, prestressed steel hlau tuaj yeem raug cais raws li: uncoated prestressed steel hlau, eptressoxy resin coated steel, prestressed hlau thiab prestressed steel hlau.

4. Raws li qhov chaw morphology, prestressed steel hlau tuaj yeem raug cais raws li: tiaj puag ncig prestressed steel hlau, kauv ribbed lossis helix grooved prestressed steel hlau (sab laug- tes los yog sab xis- tes kauv), crimped prestressed steel hlau, los yog indented prestressed steel hlau (sab laug-} tes los yog txoj cai - tes kauv ), crimped prestressed steel hlau, los yog indented prestressed steel hlau (sab laug-} tes los yog sab xis - tes kauv ), crimped prestressed steel hlau, los yog indented prestressed steel hlau (sab laug peb-sided, plaub-sided indentation), thiab lwm yam.

5. Raws li kev siv thev naus laus zis, prestressed steel hlau tuaj yeem raug cais raws li: txias- kos prestressed steel hlau (tsis muaj kev ua haujlwm so kom txaus) thiab qis- so prestressed steel hlau.

Txias-kos prestressed steel hlau yog ua los ntawm high-zoo siab- carbon steel hlau qws tom qab kho deg. Cov ntsiab lus carbon ntawm cov hlau raug xaiv nyob rau hauv thaj tsam ntawm 0.6-0.9%. Ua ntej kev kos duab txias, nws dhau los ua pickling, phosphating, lossis lwm yam kev kho saum npoo. Tom qab kos duab txias, qhov chaw hla ntu feem ntau yog txo los ntawm 50-85%, thiab lub zog tau txhim kho los ntawm lub hauv paus ntsiab lus ntawm kev ua haujlwm txias.

Txias- kos prestressed steel hlau, tom qab kev kho kom ruaj khov ntxiv, dhau los ua qis -so prestressed steel hlau, tau txais qis- cov yam ntxwv so thiab txhim kho cov txiaj ntsig zoo, elongation, thiab ncaj.

Yog tias galvanized, nws dhau los ua galvanized prestressed steel hlau; galvanized hlau uas tau txais kev kho kom ruaj khov yog hu ua low-so galvanized prestressed steel hlau.

Hlau hlau feem ntau xa hauv coils. Thaum siv rau railway sleepers, nws muaj peev xwm txiav mus rau ntev thiab bundled raws li xav tau. Txoj kab uas hla ntawm prestressed steel hlau yog feem ntau nyob rau hauv thaj tsam ntawm 4-12 hli.

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