HENGYE products series

Cold Rolled Steel Strip

First-rate products can let our customers cope with the market competition. Since the establishment of our company, we have set it as our goal. Viewing of the foresight on business & creative management, we always can find a way to stay on top.

The customers' requirements can be efficiently guaranteed with the logistical support & modern technology, which are contributed by our staffs with sense of duty. By the development in recent years, we have become one of the most important suppliers of cold rolled steel material in China. All staffs have been responsibly working to grant our customers best service & convenience, in a wish to develop the fair & mutual co-operation with counterparts.

Product Parameter

Qualities

Commercial
  • St 2-St 4 to DIN 1624 / DIN EN 10139
  • or special grades
  • IF quality to SEW 095 / DIN EN 10139
Heat treatable
  • C 22-C 60
  • CK 22-CK 60
  • 38 Cr2-41Cr4
  • 25CrMo4-42CrMo4
  • 50CrV4 to DIN 17200/DIN EN 10132, part 3
Cold rolled wide coil
  • St 12-St 14 to DIN 1623, part 1/DIN EN 10130
  • or special grades
Spring steel
  • C 55-C 75
  • CK 55-CK 75 to DIN 17222/DIN EN 10132, part 4
Constructional
  • St37 -St70 to DIN 1623,part 2
High strength low alloy
  • ZSTE 260-ZSTE 420 to SEW 093/DIN EN 10268
  • ZE 380-ZE 800/special grades similar to SEW 093/DIN EN 10268
  • steel with high strength on demand
Case hardening
  • C 10-C 15
  • CK 10-CK15
  • 15 Cr3
  • 16MnCr5-20MnCr5
  • 20MoCr4 to DIN 17200/DIN EN 10132/part 2
Electrical
  • semi finished qualities to DIN 46400, part2/DIN EN 10126
Enamelling
  • EK2-EK4 to DIN 1623 part 3/DIN EN 10209

Sizes and weights

thickness 0,40-5,00mm
width 10-650mm
coils up to 20 kg/mm of width
cut to length 450-5,100mm lengths
traverse wound up to 30mm of width and max.3,500 kgs coils.

Tolerances

  • to DIN 1544/DIN EN 10140
  • to DIN 1541/DIN EN 10131
  • normal,fine and precision tolerances or by arrangement

Surfaces

Types of surfaces to DIN 1624/ DIN EN 10139
normal bright BK/MA
scratch and pit-free RP/MB
scratch and pit-free bright RPG/MC

Cold rolled steel strip Parameter

Conditions
  • Annealed eventually
  • Annealed & Surface is to be smoothly grinded.
  • Hardened & Cold Grinded
Size & Weight
  • Length to be cut off：≤20kg/mm Width，1,000～4,000mm Length
  • ≤ 30mm Lateral winding
Surface
  • Medium Brightness
  • No scratch or hollow
  • No scratch,hollow & brightness
Edge treatment
  • Rolled edge
  • Cut edge
  • Specially processed edge

Application Example

Knitting Machine Needle
Requirements on Steel Material:
  • No removal of carbon on the surface.
  • Fine-grained sphere treated with carbon.
  • Accurate thickness tolerance
  • Smooth surface,zero value.
Friction clutch spring
Material feature:
  • Be careful to anneal & grind,
  • Ensure few burs to break off easily.
  • Accurate thickness tolerance
  • Minimum bent on lateral direction
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