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含釩Ⅲ級(jí)螺紋鋼筋市場(chǎng)前景廣闊含釩新Ⅲ級(jí)螺紋鋼筋（20MnSiV、400Mpa）在生產(chǎn)過(guò)程中加入了釩、鈮、鈦等合金，與普通Ⅱ級(jí)螺紋鋼筋相比，具有強(qiáng)度高、韌性好、焊接性能和抗震性能良好的優(yōu)點(diǎn)。
Vanadium containing third grade rebar market prospects of vanadium containing new third grade rebar (20MnSiV, 400Mpa) with vanadium, niobium and titanium alloy in the production process, compared with ordinary grade rebar, with high strength and good toughness, welding performance and good seismic performance.
A、經(jīng)濟(jì)：由于強(qiáng)度高，使用新Ⅲ級(jí)螺紋鋼筋可比Ⅱ級(jí)螺紋鋼筋節(jié)省鋼材10-15%，因此可降低建筑工程的建設(shè)成本。
A, economy: due to high strength, the use of new grade III rebar rebar can be compared to the second class rebar reinforced steel 10-15%, which can reduce the construction cost of construction.
B、強(qiáng)度高、韌性好：采用微合金化處理，屈服點(diǎn)在400Mpa以上，抗拉強(qiáng)度570Mpa以上，分別比Ⅱ級(jí)螺紋鋼筋提高20%。
B, high strength, good toughness: micro alloying treatment, yield point above 400Mpa, tensile strength above 570Mpa, respectively, than the second grade rebar increased by 20%.
C、抗震：含釩鋼筋具有較高的抗彎度、時(shí)效性能，較高的低周疲勞性能，其抗震性能明顯優(yōu)于Ⅱ級(jí)螺紋鋼筋。
C, seismic: vanadium steel has higher bending strength and aging properties, low cycle fatigue performance is higher, its seismic performance is better than grade II rebar.
D、易焊接：由于碳含量≤0.54%，焊接性能好，適應(yīng)各種焊接方法，工藝簡(jiǎn)單方便。
D, easy welding: because the carbon content is less than 0.54%, good welding performance, adapt to a variety of welding methods, the technique is simple and convenient.
E、施工方便：采用新Ⅲ級(jí)螺紋鋼筋增大了施工間隙，為施工方便及施工質(zhì)量提供了保證。
E, construction convenience: the use of new grade III rebar reinforced construction gap for construction convenience and construction quality provides a guarantee.
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