Alloy Steel Pipes & Plates
Specifications governing Alloy Steel Tubes are as
under:
IS 2002-62 STEEL PLATED FOR BOILERS
|
Chemical Composition,% |
Tensile Test |
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|
Designation
|
C max.
|
Si
|
P max
|
S max
|
Tensile Strength Kgf/mm2
|
Yield Point Kgf/mm2,min.
|
Elongation
|
|
|
Test Piece
|
%, min
|
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|
IS 2002-1
|
0.18
|
.010-0.35
|
0.40
|
0.40
|
37-45
|
55
|
5.65/So
4/So |
26
30 |
|
IS 2002-2A
|
0.20
|
0.10-0.35
|
0.050
|
0.050
|
42-50
|
50
|
5.65/So
4/So |
25
29 |
|
IS 2002-2b
|
0.22
|
0.10-0.35
|
0.050
|
0.050
|
52-62
|
50
|
5.65/So
4/So |
20
24 |
Kawasaki Specification [AG] Steel Plates for Galvanizing Pots
|
Chemical Composition,%
|
Tensile Test |
Bend test |
|||
|
Designation
|
C Si Mn P S
Max Max Max |
Yield Point Tensile Strength
Kgf/mm2 Kgf/mm2.(N/mm2) |
Elongation
%, Test Piece |
Angle of Bend
|
Inside Radius
|
|
AG
|
0.09 tr.0.20-0.40 0.30 0.030
|
— —
|
— —
|
||
|
Chemical Composition,%
|
Tensile Test*1 |
1. (i) Refer to (1) for ASTM A 203
(ii) Refer to (2) for ASTM A 203 (iii) Refer to (4) for ASTM A 203. |
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|
Designation
|
C max
|
Mn max
|
P max
|
S max
|
Tensile Strength
ksi (MPa), |
Yeild Strengh ksi(MPa),min.
|
Elongation,% min
|
||
|
GL=8 in. |
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|
A 285 A
|
0.17
|
0.90
|
0.035
|
0.040
|
45-65 (310-450)
|
24(165)
|
27 30
|
||
|
A 285 B
|
0.22
|
0.90
|
0.035
|
0.040
|
50-70(385-485)
|
27(185)
|
25
28 |
||
|
A 285 C
|
0.28
|
0.90
|
0.035
|
0.040
|
55-75(380-515)
|
30(205)
|
23 27
|
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