world of steel A Division of Ellias International




      Product Specifcations


PRODUCT SPECIFICATIONS

 

1) Typical Steel Type For Tin Mill Products

 

MR It contains few residual minor constituents and has a good corrosion resistance so that it is widely used for such applications as containers
L It contains particularly few residual minor constituents such as Cu, Ni, Cr, Mo, so that it is suitable for the materials of containers required improved corrosion resistance
D It is aluminium killed steel, so that it is suitable for the applications, which bear deep drawing,or other working that is liable to produce Luder`s lines pattern.

 

2) Low Carbon and Al-killed Steel

 

MR 0.13 0.60 0.020 0.05 0.020 0.20 0.15 0.10 0.05
L 0.13 0.60 0.015 0.05 0.020 0.06 0.04 0.06 0.05
D 0.12 0.60 0.020 0.05 0.020 0.20 0.15 0.10 0.05

 

SURFACE FINISH

 






Single Reduced

Bright
MB
B

7B
-0.15
EB -0.20
B 0.25 - 0.35

Stone
R1
R

7C
0.35 - 0.50
R2 0.45 - 0.70


Silver
S1

S


5C


0.80 - 5.5
S2
S3
S4
Double Reduced Stone RIC R 7C 0.30 - 0.50


TEMPER

 


Temper
Designation
Aim Hardness (HR30T)
Temper
Designation

Aim Hardness
(HR30T)
Tensile
Yield
Strength (N/mm2)
t≤0.21mm 0.21<t≤0.28mm t>0.28mm
T-1(T-50) Below 53 Below 52 Below 51 DR-7.5 (DR520) 71±3 520±70
T-2(T52) 53±3 52±3 51±3
T-2.5(T55) 56±3 55±3 54±3 DR-8 (DR550) 73±3 550±70
T-3(T57) 58±3 57±3 56±3 DR-8.5 (DR580) 74±3 580±70
T-4(T61) 62±3 61±3 60±3
T-5(T65) 65±3 65±3 64±3 DR-9 (DR620) 76±3 620±70

 

SHAPE AND DIMENSIONS

 

1) Dimensions

Thickness Nominal ± 6% at any point on the sheet not less than 6mm (1/4 in.) from either of both side edge
Width Nominal -0. +2mm
(-0. +0.08 in.)
Aim  -0. +1.5mm (-0. +1/16 in.)
Length (Sheet) Nominal -0. +1mm     (-0. +0.04 in.) Products of heavy coating (#50/75, #75/50) and width 900mm (35.4 in.) over:-0. +1.3mm (-0. +0.05 in.)
Out of Square Max. 0.8mm(0.032 in.) Max. 0.5mm (0.02 in.) for Crown Corks
Camber Max. 6mm/6m(0.25 in./2.40 in.)  
Burr Max. 0.05mm (0.002 in.) Aim 0.03mm (0.0012 in.)
Inside Diameter for Coil 420mm (16 1/2 in.)
508mm (20 in.)
 

2) Flatness

Edge Wave Pitch:Min.150mm (6 in.)
Height: Max.3mm(1/8 in.)
Less than 6 waves are found on the 1m (40 in.) long sheet.
Bow Height:Max.3mm (1/8 in.) Aim 2.5mm (1/10 in.) on the flat plate
Buckle Height: Max 1.5mm (1/16 in.) Cut the center part of buckle, lay it on a flat plate and measure its height.


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