HENGYE products series

Heat Treatment Steel Strip

Due to the serious competition, cost control is becoming a decisive factor for the steel enterprise. Now there is a good chance to reduce cost by adopting hardened & tempered steel.

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

Heat Treatment Steel Strip Parameter

Minute structure & tensile strength
  • 1,000-2,300N/mm2 Martensite
  • 900-1600N/mm2 Bainitic
Size & Weight
  • <=20kg/mm Rolled material
  • 1,000-4,000mm: Length to be cut off
  • <=30mm Lateral winding
Surface treatment
  • Polishing
  • After tempered,it will be bright,gray blue,yellow,brown or blue.
Edge treatment
  • Rolled edge
  • Cut edge
  • Special required by customer

Application Example

Shock Absorber
Size Specification & Steel Features:
  • Annular martensite,its carbon compound is almost decomposed completely.
  • The inseparable change of tensile strength & tolerance
  • The inseparable thickness tolerance
  • The best flatness on lateral & vertical direction.
  • Elaborately polished surface.
  • Ra<=0.25mm:Coarse Coefficient
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