Cold Rolled Products  
 Cold Rolled Products
SPECIFICATION OF CRCA MATERIAL
Grade (As per IS: 513)

Low Carbon

O, D, DD, EDD, HROP and HROPSP

Medium Carbon

MC-11, MC-12 & HC-14

Hardness

Quarter-Hard, Half-Hard and Full-Hard

Thickness

0.40 mm to 3.00 mm for CRCA

1.60 mm to 3.90 mm for HROP/HROPSP

Width

20 mm to 1020 mm for Coil form

100 mm

Length

1000 mm to 2900 mm

Edge Condition

Trimmed & Mill Edge as required

 
Chemical Composition (% Max) Mechanical Properties

Grade

C

Mn

S

P

Tensile Strength (Kg/mm 2)

Elog(%) Min

Hardness HV Max

O

0.150

0.600

0.055

0.055

-

-

-

D

0.120

0.500

0.040

0.040

28-42

28

125

DD

0.100

0.450

0.035

0.035

28-38

32

110

EDD

0.080

0.400

0.030

0.030

28-36

36

105

NA EDD

0.080

0.400

0.030

0.025

29 Min

36

95

MC-11

0.450

0.700

0.040

0.040

--

-

220

MC-12

0.600

0.800

0.040

0.040

--

-

300

HC-14

0.800

0.800

0.040

0.040

--

-

350

 
Remarks: ECV & Bend Test as per standard varies against thickness; NA – Non-Ageing.

Temper Range for Low Carbon Steel (in VPN)

Hardness

Minimum

Maximum

Full-Hard

165

200

Half-Hard

135

165

Quarter-Hard

110

135

Skin Pass

100

117

Annealed

90

110

 
Specification of CRFH Coil

Hardness

Full-Hard (VPN 165 min)

Thickness

0.14 mm to 1.00 mm

Width

600 mm to 1000 mm

Length

1000 mm to 1800 mm

Edge Condition

Trimmed or Mill Edge, as required.

 
TESTING FACILITIES

Hardness, Bend Test, Cupping Value, UTS/YS, Gauge, Width, Elongation & Chemical Composition.

 
Applications

Auto Components

All types of vehicles (Two/ Four/ Heavy) components,  Steel components, Body etc.

Cycle Components

Rim/ Mudguard/ Chain Wheel/ Chain/ Hubs etc.

White goods Components Washing Machines, Refrigerator, AC etc.
Stampings Electric motor stampings.
 
Products Categories
 
Vardhman Galvanised Coils/Sheets (Plain/Corrugated)
 
Vardhman Colour Coated Products (PPGI)
 
Vardhman Cold Rolled Products
 
Galvanised/Black Pipes
 
Precision Tubes
 
Vardhman Panel System
 
Vardhman Roofing System
 
 
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