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| Brand Name : | GNEE |
| Certification : | SGS |
| Price : | Negotiable |
| Payment Terms : | Negotiable |
| Supply Ability : | 100 ton/week |
| Delivery Time : | 5-9 working days |
Cold Rolled Steel Coil Production Process
Since there is no heating during the production process, there are
no defects such as pits and scales that often occur in hot rolling,
and the surface quality is good and the finish is high. Moreover,
the dimensional accuracy of cold-rolled products is high, and the
performance and structure of the products can meet some special
requirements, such as electromagnetic properties, deep drawing
properties, etc.
Cold rolling:
use hot-rolled steel coils as raw materials, pickle and remove
scale, and then carry out cold rolling. The finished product is
hard rolled coils. The strength, hardness, and toughness of hard
rolled coils increase due to cold hardening caused by continuous
cold deformation. The plastic index decreases, so the stamping
performance will deteriorate, and it can only be used for parts
with simple deformation. Hard-rolled coils can be used as raw
materials for hot-dip galvanizing plants, because hot-dip
galvanizing units are equipped with annealing lines. The weight of
hard-rolled coils is generally 6-13.5 tons, and the steel coils are
continuously rolled at room temperature for hot-rolled pickled
coils. The inner diameter is 610mm.
| GRADE | Yield Strength Mpa | Tensile strength Mpa | Elongation A80mm % | Impact test | ||
| TemºC | AkvJ | |||||
| SPCC | ≥195 | 315~430 | ≥33 | |||
| Q195 | ≥195 | 315~430 | ≥33 | |||
| Q235-B | ≥235 | 375~500 | ≥25 | 20 | ≥27 | |



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| Company Info. |
| Gnee Steel (tianjin) Co., Ltd. |
| Verified Supplier |
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