1.冷拉方鋼的基本要求有哪些？

1. What are the basic requirements for cold drawn square steel?

冷拉方鋼的基本要求：首先是應(yīng)有足夠高的常緩和瞬時(shí)高溫拉伸強(qiáng)度，以及良好的塑性。其次在持久強(qiáng)度和塑性上也是要非常好的。這樣才能夠保證在高溫環(huán)境中，能正常使用，并發(fā)揮其應(yīng)有作用。

The basic requirements for cold drawn square steel: first of all, it should have a sufficiently high tensile strength for normal relaxation and instantaneous high temperature, and good plasticity. Secondly, it is also very good in terms of durability and plasticity. In this way, it can ensure normal use in the high temperature environment and play its due role.

2.生產(chǎn)制造冷拉方鋼，具體需要什么？怎樣來(lái)提高冷拉方鋼的韌性？

2. What are the specific requirements for the production of cold drawn square steel? How to improve the capacity of cold drawn square steel?

生產(chǎn)制造冷拉方鋼的話，冷拔機(jī)和方鋼拉模是必須要有的。想要提高冷拉方鋼的韌性，簡(jiǎn)單方法是進(jìn)行再結(jié)晶退火，來(lái)達(dá)到目的。

For the production of cold drawn square steel, a cold drawing machine and a square steel die are necessary. To improve the transformation of cold drawn square steel, the simple method is to perform recrystallization annealing to achieve the purpose.

3.冷軋方鋼的原材料是為什么？對(duì)原材料是否有一些基本要求？

3. Why is the raw material of cold rolled square steel? Are there some basic requirements for raw materials?

冷軋方鋼的原材料，是熱軋圓鋼或熱軋方鋼，具體哪一種，可以根據(jù)需要來(lái)進(jìn)行正確選擇。而對(duì)原材料的基本要求，主要是要避免其有雜質(zhì)，或是雜質(zhì)過(guò)多，如果有這一情況的話，材料在冷拉后，會(huì)出現(xiàn)斷裂等質(zhì)量問(wèn)題。

The raw material of cold-rolled square steel is hot-rolled round steel or hot-rolled square steel, which one can be correctly selected according to needs. The basic requirements for raw materials are mainly to avoid impurities or excessive impurities. If this is the case, after cold drawing, the material will have quality problems such as fracture.