RUCHI STRIPS & ALLOYS LIMITED
 ( Guide Lines For Domestic Product )


SR.NO.

PARTICULARS

RSAL CAN OFFER/PREFER

1.

THICKNESS

  1. CRFH
  2. CRCA

 

0.14 to 2.00 mm
0.15 to 2.50 mm

2.

TOLERANCES IN THICKNESS

Upto 0.15 mm
0.16 to 0.20 mm
0.21 to 0.25 mm
0.26 to 0.35 mm
0.36 to 0.50 mm
0.51 to 0.70 mm
0.71 to 1.00 mm
1 to 1.20 mm
1.21 to 1.50 mm
151 to 2.00 mm

 

± 0.005 mm  
± 0.007 mm            
± 0.010 mm
± 0.015 mm
± 0.020 mm
± 0.025 mm
± 0.030 mm
± 0.040 mm
± 0.040 mm
± 0.040 mm
Note : Total tolerance can be given either  side also if required by Customer.

3.

WIDTH

 

Full Hard up to 1000 mm
& CRCA up to 1250 mm
Note : For width less than 75 mm , the material will be taken out from the arising side slits and in that case  delivery may be delayed but will be completed in 60 days

4.

TOLERANCES IN WIDTH

  1. Up to 500 mm (CRCA)
  2. 501 to 700 mm (CRCA)
  3. 701 to 1250 mm (CRCA)
  4. 501 to 700 mm (Full Hard)
  5. 701 to 1000 mm (Full Hard)

 

- 0.00/+ 0.20mm   
- 0.00/+0.50 mm              
- 0.00/+1.00 mm             
- 0.00/+1.00 mm
- 0.00/+3.00 mm
Note : Total  tolerance can be given on minus side also if required by customer.

5.

SHEET LENGTH

500 to 3500 mm

6.

TOLERANCES IN LENGTH

  1. Length
  2. Diagonal Difference

 

- 0.00/+ 2.00 mm  
  2.00 mm Max.                 
Note : Total  tolerance can be given on  minus side also if required by the  customer.

7.

SURFACE FINISH (RA VALUE)

  1. Bright Finish
  2. Light Matt Finish
  3. Medium Matt Finish
  4. Heavy Matt Finish
  5. As per Customer’s need

 

0.30 µm (Max.)    
0.60 to 0.90 µm               
0.90 to 1.40 µm
1.50 µm (Min.)
-
Note : A variance of  total 0.30 µm (in matt finish) shall be permitted.

8.

EDGE CAMBER (Concave Side)

3.00 mm Max. in  2.50 mm Meters   ( Aiming 2 mm )

9.

FLATNESS

  1. Cut Sheet
  2. Coils
    1. EW Depth in mm
    2. No. of Waves/Mtr.
    3. Bow Wave Depth in mm
    4. Center Buckle Depth in mm
    5. No. of Center Buckle/Mtr.

3.00 mm Max.

4 (Aiming 3)
4 (Aiming 3)
4 (Aiming 3)

4 (Aiming 3)

4 (Aiming 3)
10.
CROWN FORM CENTER TO 10MM FROM EDGE
Up to 0.15 mm
0.16 to 0.20 mm
0.21 to 0.25 mm
0.26 to 0.35 mm                    
0.36 to 0.50 mm
0.51 to 0.70 mm
0.71 to 1.00 mm
1 to 1.20 mm
1.21 to 1.50 mm
1.51 to 2.00 mm

0.005 mm Max.
0.005 mm Max.
0.010 mm Max.
0.010 mm Max.
0.015 mm Max.
0.015 mm Max.
0.020 mm Max.
0.025 mm Max.
0.030 mm Max.
0.040 mm Max.
11.
GRADE
Ordinary/Commercial, D, DD & EDD as per IS 513, DIN 1623 & JIS 3141, ASTM (For CRCA & CRFH),TMBP with T2/T3 Temper., Material for electrical stamping.
12.
CHEMISTRY

As per above standard
Note : It will be preferred to ask chemistry of the required material from the customers.
13.

MECHANICAL PROPERTIES

  1. Hardness VPN/HRB
  2. ECV (mm)
  3. % Elongation 20/80 mm or 50 mm GL
  4. UTS Kg/mm² (or MPA or N/MM²)
  5. YS    Kg/mm² (or MPA or N/MM²)

As per above standard

As per above standard   
As per above standard               
As per above standard               
                                                   
As per above standard              
As per above standard

Note : It will be preferred ask Min. & Max. values of Mechanical properties of Required material from the customer.
14.
RUST PREVENTIVE OIL
Light R.P.Oil (ITW 601) Viscosity 5-6 CST
15.
SURFACE DEFECTS
The surface should be free from harmful defects, however in case of coils, minor surface defects (up to 2.5% of the length of the coil) may be accepted as a prime coil.
16.
COIL ID
508 ± 10mm
17.
COIL WEIGHT

  1. Wider Width Thickness > 0.30 mm > 600mm but < 1250mm
  2. Wider Width Thickness < 0.30 mm > 600mm but < 1000mm
  3. Narrow Width Thickness > 0.30 mm > 300mm but < 600 mm
  4. Narrow Width Thickness < 0.30 mm > 300mm but < 600 mm
  5. Narrow Width any Thickness Width > 100 mm but < 300mm
  6. Narrow Width any Thickness width < 100mm > 25 mm

Minimum              Maximum
1000 Kgs.             12.00 Kgs./mm
Minimum              Maximum
1000 Kgs.             6.00Kgs./mm
Minimum              Maximum
1000 Kgs.             6.00 Kgs/mm

Minimum             Maximum
1000 Kgs.            4.20 Kgs./mm
Minimum            Maximum
200 Kgs.             4.20 Kgs./mm
                          Maximum
                          3.10 Kgs/mm²
18.
Bundle Weight for Cut Sheet subject to maximum height of stack is 350 mm.
Minimum                              Maximum
500 Kgs.                                3000 Kgs.

19.

 
PACKING
  1. Complete Metallic
  2. Partially Metallic
  3. Unpacked (only straps)
  4. Wooden Pallet
  5. Sea Worthy
  6. As per customer requirement.
20.
END USE

Customer should specify the criticality such as :

  1. Draw ability
  2. Cosmetic Importance
  3. Forming Operation
  4. Component will be for External or Internal Component.
  5. Brief Description about the Component i.e. end use.