MOLITEC STEEL CO., LTD.
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Products
HARDENED & TEMPERED CARBON STEEL STRIPS & SHEETS
HARENED & TEMPERED STEEL STRIPS(HEAT-TREATED PRODUCTS)

MOLITEC STEEL processes carefully selected materials such as cold-rolled special steel strips, stainless steel strips, etc. by continuous heat treatment, etc. and produces heat-treated steel strips suited for various applications under the stringent quality control system. In particular, big-breadth heat-treated steel strips 400 mm (16") wider achieve the stable profile with our original techniques and enjoy great popularity among many users.

TYPICAL APPLICATIONS
PARTS FOR CARS & ELECTRIC APPLIANCES photo TROWELS & SCRAPERS photo DISPOSABLE BLADES photo TIP SEALS FOR SCROLL COMPRESSORS photo
AUTOMOBILE • CLUTCH PARTS BLADES & SAWS POWER SPRINGS OTHER PRESSED PARTS

SURFACE FINISH
SURFACE APPEARANCE
DEFINITION
Standard
(Unpolished Black,
Unpolished Blue,
Unpolished Straw)
Hardened and tempered natural colour without colouring process of which oxidised surface colour is decided on hardness required.
Unpolished Semi Bright
Hardened and tempered non-oxidised where semi bright surface is required on requested hardness.
Polished Bright
Polished after hardening and tempering.
Polished Blue
Colouring in blue after polishing.

EDGE FINISH
SORT OF
EDGE FINISH
CROSS SECTION
DEFINITION
APPLICATIONS
Round edges
Rounded after slitting
Power springs
Deburred edges
Edges removed at burrs from slitting
Leaf springs
Slit edges
Sharp edges with slitting burrs left on
Washers
Square edges
Squared after slitting
Saws, Blades, Band saws

AVAILABLE DIMENTIONS
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THICKNESS TOLERANCE
UNIT:mm(inch)
THICKNESS
THICKNESS TOLERANCE
STANDARD
SPECIAL
A
S
SS
0.15min. 0.25excl.
(0.0059min. 0.0098excl.)
±0.015
(±0.00059)
±0.010
(±0.00039)
±0.008
(±0.00031)
0.25min. 0.40excl.
(0.0098min. 0.0157excl.)
±0.020
(±0.00079)
±0.015
(±0.00059)
±0.010
(±0.00039)
0.40min. 0.60excl.
(0.0157min. 0.0236excl.)
±0.025
(±0.00098)
±0.020
(±0.00079)
±0.015
(±0.00059)
0.60min. 0.90excl.
(0.0236min. 0.0354excl.)
±0.030
(±0.00118)
±0.025
(±0.00098)
±0.020
(±0.00079)
0.90min. 1.20excl.
(0.0039min. 0.0059excl.)
±0.040
(±0.00157)
±0.030
(±0.00118)
±0.025
(±0.00098)
1.20min. 1.60excl.
(0.0472min. 0.0630excl.)
±0.050
(±0.00197)
±0.040
(±0.00157)
±0.030
(±0.00118)
1.60min. 2.10excl.
(0.0630min. 0.0827excl.)
±0.055
(±0.00216)
±0.050
(±0.00197)
±0.040
(±0.00157)
2.10min. 2.60excl.
(0.0827min. 0.1024excl.)
±0.060
(±0.00236)
±0.055
(±0.00216)
±0.050
(±0.00197)
2.60min. 3.20excl.
(0.1024min. 0.1260excl.)
±0.065
(±0.00256)
±0.060
(±0.00236)
±0.050
(±0.00197)

The Location of thickness measurement shall be at any arbitrary point more than 10mm (0.3937") away from either edge, or the centre of the width if the strip does not exceed 20mm (0.7874").


WIDTH TOLERANCE
UNIT:mm(inch)
THICKNESS
WIDTH TOLERANCE
50excl.
(1.9685excl.)
50min.-
100excl.
(1.9685min. -
3.9370excl.)
100min.-
200excl.
(3.9370min.-
7.8740excl.)
200min.-
300excl.
(7.8740min.-
11.8110excl.)
300min.-
400max.
(11.8110min.
-15.7480max.)
0.30excl. (0.0118excl.)
±0.30
(±0.01181)
±0.35
(±0.01378)
0.30min. 0.60excl.
(0.0118min. 0.0236excl.)
±0.20
(±0.00787)
±0.30
(±0.01181)
±0.50
(±0.01969)
±0.80
(±0.03150)
±1.00
(±0.03937)
0.60min. 1.20excl.
(0.0236min. 0.0472excl.)
±0.20
(±0.00787)
±0.25
(±0.00984)
±0.50
(±0.01969)
±0.80
(±0.03150)
±1.00
(±0.03937)
1.20min. 1.60excl.
(0.0472min. 0.0630excl.)
±0.20
(±0.00787)
±0.25
(±0.00984)
±0.50
(±0.01969)
±0.80
(±0.03150)
±1.00
(±0.03937)
1.60min. (0.0630min.)
±0.20
(±0.00787)
±0.25
(±0.00984)
±0.50
(±0.01969)
±0.80
(±0.03150)
±1.00
(±0.03937)

EDGE CAMBER TOLERANCE

AT 2m (6.5FEET) OPTIONAL POINTS

UNIT:mm(inch)
WIDTH
TOLERANCE
25excl.
(0.984excl.)
4.0
(0.157)
25min. 60excl.
(0.984min. 2.362excl.)
4.0
(0.157)
60min. 100excl.
(2.362min. 3.937excl.)
8.0
(0.315)
100min.
(3.937min.)
8.0
(0.315)

FLATNESS TOLERANCE

THE FLATNESS TOLERANCE OF A CUT SHEARED FROM A STRIP IS INDICATED BELOW.

UNIT:mm(inch)
WIDTH
THICKNESS
TOLERANCE
30min.-
50excl.
(1.18min.-
2.36excl.)
50min.-
100excl.
(2.36min.-
3.94excl.)
100min.-
150excl.
(3.94min.-
5.91excl.)
150min.-
250excl.
(5.91min.-
9.84excl.)
250min.-
350excl.
(9.84min.-
13.78excl.)
350min.-
450max.
(13.78min.-
15.75max.)
0.20excl.
(0.0079excl.)
0.20
(0.0079)
0.30
(0.0118)
0.20min. 0.40excl.
(0.0079min. 0.0157excl.)
0.15
(0.0059)
0.30
(0.0118)
0.30
(0.0118)
0.30
(0.0118)
0.40
(0.0157)
0.45
(0.0177)
0.40min. 0.80excl.
(0.0157min. 0.0315excl.)
0.15
(0.0059)
0.20
(0.0079)
0.25
(0.0098)
0.30
(0.0118)
0.40
(0.0157)
0.45
(0.0177)
0.80min. 1.20excl.
(0.0315min. 0.0472excl.)
0.15
(0.0059)
0.20
(0.0079)
0.25
(0.0098)
0.30
(0.0118)
0.40
(0.0157)
0.45
(0.0177)
1.2min.
(0.0472min.)
0.15
(0.0059)
0.20
(0.0079)
0.25
(0.0098)
0.30
(0.0118)
0.40
(0.0157)
0.45
(0.0177)