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Your Loaction £ºHome>>Products>>Heat Exchange / Boiler Tubes>>ASTM A213 |
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Heat Exchange / Boiler Tubes / §³§ä§Ñ§Ý§î§ß§í§Ö §Ò§Ö§ã§ê§à§Ó§ß§í§Ö §ä§â§å§Ò§í |
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ASTM A213: SEAMLESS FERRITIC AND AUSTENITIC ALLOY STEEL BOILER SUPERHEATER AND HEAT EXCHANGER TUBES
Chemical Composition |
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Steel Grade |
C % |
Mn % |
Si % |
P % |
S % |
Cu % |
Ni % |
Mo % |
Cr % |
V % |
T2 |
0.10-0.20 |
0.3-0.6 |
0.10-0.30 |
0.025 max |
0.025 max |
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0.45-0.65 |
0.50-0.81 |
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T5 |
0.15 max |
0.3-0.6 |
0.50 max |
0.025 max |
0.025 max |
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0.45-0.65 |
4.00-6.00 |
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T9 |
0.15 max |
0.3-0.6 |
0.25-1.00 |
0.025 max |
0.025 max |
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0.90-1.10 |
8.00-10.0 |
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T11 |
0.05-0.15 |
0.3-0.6 |
0.50-1.00 |
0.025 max |
0.025 max |
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0.44-0.65 |
1.00-1.50 |
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T12 |
0.05-0.15 |
0.3-0.6 |
0.50 max |
0.025 max |
0.025 max |
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0.44-0.65 |
0.80-1.25 |
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T22 |
0.05-0.15 |
0.3-0.6 |
0.50 max |
0.025 max |
0.025 max |
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0.87-1.13 |
1.90-2.60 |
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T91 |
0.08-0.12 |
0.3-0.6 |
0.20-0.50 |
0.020 max |
0.010 max |
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0.40 max |
0.85-1.05 |
8.00-9.50 |
0.18-0.25 |
Mechanical Properties |
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Steel Grade |
Tensile Strength MPA |
Yield Strength MPA |
Elongation % |
HB |
T2 |
415 min |
205 min |
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163 max |
T5 |
415 min |
205 min |
30 min |
163 max |
T9 |
415 min |
205 min |
30 min |
179 max |
T11 |
415 min |
205 min |
30 min |
163 max |
T12 |
415 min |
220 min |
30 min |
163 max |
T22 |
415 min |
205 min |
30 min |
163 max |
T91 |
585 min |
415 min |
20 min |
250 max |
Dimensional Tolerance |
Type of the Steel pipe |
Out Diameter |
Wall Thickness |
Cold Drawn Pipe |
Out Diameter |
Tolerance ange |
Tolerance Range |
£¾25.4 |
¡À 0.1 |
0-20% |
25.4-38.1 |
¡À 0.15 |
38.1-50.8 |
¡À 0.2 |
0-22% |
50.8-63.5 |
¡À 0.25 |
63.5-76.2 |
¡À 0.3 |
76.2-101.6 |
¡À 0.38 |
101.6-180 |
-0.64 / +0.38 | |
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