** 1. Dab tsi yog qhov tsis muaj zog tshaj plaws ntawm cov hlau yeeb? **
Hom hluav taws xob tsis muaj zog tshaj plaws yog feem ntau ** cov hlau roj carbon tsawg (piv txwv li, Astm A53 qib A lossis 1 {}} ...} tus hlau) **. Cov qib kawm no muaj lub zog qis thiab tawm lub zog rau lawv cov ntsiab lus carbon minimal ({}
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** 2. Cov yeeb nkab qib steel yog qhov zoo tshaj? **
Qeb "zoo tshaj" yog nyob ntawm daim ntawv thov:
- ** Lub zog siab \/ siab loj \/ siab ": APIl X70 (rau roj \/ roj pipelines) lossis ANTM A106 qib B (qhov kev pab kub siab).
- ** ** Corrosion Kuj **: Stainless hlau qib zoo li 304 lossis 316.
- ** ** CEEB TOOM ": ASTM A53 qib B (ntau yam hauv kev tsim kho thiab kev siv hluav taws xob).
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** 3. Dab tsi yog 4140 hlau? **
414 {{0 hlau yog ib tug ** chromium-molybdenum alloy steel Nws muaj pes tsawg leeg suav nrog ~ {0. 4 {}}}}}}}}}}}}. It is often heat-treated (quenched and tempered) for applications like gears, shafts, and machinery parts.
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** 4. Tus qib steel yog qhov zoo tshaj? **
Tsis muaj ib qeb "zoo tshaj"-nws nyob ntawm cov ntaub ntawv siv:
- ** Tus qauv **: ASTM A36 (kev tsim kho dav dav).
- ** TAIS **: D2 (siab hnav tsis kam).
- ** ** Corrosion Kuj **: 316 Stainless hlau.
- ** High-kub **: ASTM A335 P91 (rau cov nroj tsuag hluav taws xob).
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** 5. Dab tsi 3 qib ntawm hlau? **
Hlau yog dav cannorized rau hauv peb qib kawm raws li kev sib xyaw:
1. ** CARBON STEEN ** (piv txwv li, cov roj carbon ntau 1018, nruab nrab-carbon 1045).
2. ** Alloy Steel ** (piv txwv li, 4140, 4340 nrog cov ntsiab lus ntxiv xws li CR, mo).
3. ** Stainless hlau ** (piv txwv li, 304, 316 nrog ntau dua los yog sib luag rau ntawm 10.5% chromium rau corrosion tsis kam).
