SPRING STEEL STRIP
Material :50#, 60#,65Mn,1065,SAE1055,1045,CK50,CK55, CK60,CK67, CK70,CK75, C75Cr1,50CrV4, 51CrV4, T8A, T10A,60Si2Mn, SK4 and SK5,etc
Thickness 0.08-5.0mm
Width 10.0-400mm
Hardness <200HV, 200-300HV, 300-550HV
Edge: slit edge; both rounded; one side round, one side slit; square etc
Application:
wildely used in these industries such as saw blades,band saw, shutter springs, automobile clutch friction plate, national defence, textile equipment, garden tools, building tools, electric machinery, bunch door, measuring tape, clock spring, lock-making, shoe-making & other standard component.
Commercial
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St 2-St 4 to DIN 1624 / DIN EN 10139
or special grades
IF quality to SEW 095 / DIN EN 10139
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Heat treatable
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C 22-C 60
CK 22-CK 60
38 Cr2-41Cr4
25CrMo4-42CrMo4
50CrV4 to DIN 17200/DIN EN 10132, part 3
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Cold rolled wide coil
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St 12-St 14 to DIN 1623, part 1/DIN EN 10130
or special grades
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Spring steel
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C 55-C 75
CK 55-CK 75 to DIN 17222/DIN EN 10132, part 4
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Constructional
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St37 -St70 to DIN 1623,part 2
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High strength low alloy
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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
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Case hardening
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C 10-C 15
CK 10-CK15
15 Cr3
16MnCr5-20MnCr5
20MoCr4 to DIN 17200/DIN EN 10132/part 2
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Electrical
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semi finished qualities to DIN 46400, part2/DIN EN 10126
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Enamelling
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EK2-EK4 to DIN 1623 part 3/DIN EN 10209
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Sizes and weights
thickness
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0,40-5,00mm
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width
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10-650mm
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coil
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up to 20 kg/mm of width
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cut to length
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450-5,100mm lengths
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traverse wound
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up to 30mm of width and max.3,500 kgs coils.
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Tolerances
to DIN 1544/DIN EN 10140
to DIN 1541/DIN EN 10131
normal,fine and precision tolerances or by arrangement
Heat Treatment Steel Strip Parameter
Minute structure & tensile strength
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1,000-2,300N/mm2 Martensite
-
900-1600N/mm2 Bainitic
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Size & Weight
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<=20kg/mm Rolled material
1,000-4,000mm: Length to be cut off
<=30mm Lateral winding
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Surface treatment
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Polishing
After tempered,it will be bright,gray blue,yellow,brown or blue.
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Edge treatment
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Rolled edge
Cut edge
Special required by customer
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