ASTM A 213/A213M ASME SA213/SA213M T1 T2,T5,T5b,T5c,T9, T11, T12, T22, T23, T91, T92 etc. Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater,and Heat-Exchanger Tubes
1.Chemical Composition:
Steel grade |
C % |
Si % |
Mn % |
S% |
P% |
Cr% |
Mo% |
V% |
Ti% |
B% |
W% |
Ni% |
Al% |
Nb% |
N% |
Tensile strength(Mpa) |
Yield strength (MPa) |
Elongation (%) |
Hardness(HB) |
ASTM A213 T2/ASME SA213-T2 |
0.10-0.20 |
0.10-0.30 |
0.30-0.61 |
0.02 Max |
0.025 max |
0.50-0.81 |
0.44-0.65 |
- |
- |
- |
- |
- |
|
|
|
≥415 |
205 |
|
85HRB(163HBW) |
ASTM A213 T5/ASME SA 213 T5 |
0.15 max |
0.50 max |
0.30-0.60 |
0.025 max |
0.025 max |
4.00-6.00 |
0.45-0.65 |
- |
- |
- |
- |
|
|
|
|
415 min |
205 min |
|
163 max |
ASTM A213 T9/ASME SA213 T9 |
0.15 max |
0.25-1.00 |
0.30-0.60 |
0.025 max |
0.026 max |
8.00-10.0 |
0.90-1.10 |
- |
- |
- |
- |
|
|
|
|
415 min |
205 min |
|
179 max |
ASTM A213 T11/ASME SA213 T11 |
0.05-0.15 |
0.50-1.00 |
0.30-0.60 |
0.025 max |
0.027 max |
1.00-1.50 |
0.44-0.65 |
- |
- |
- |
- |
|
|
|
|
≥415 |
205 |
≥30 |
85HRB(163HBW) |
ASTM A213 T12/ASME SA213 T12 |
≤0.15 |
≤0.5 |
0.30-0.61 |
0.02 |
0.028 max |
0.80-1.25 |
0.44-0.65 |
- |
- |
- |
- |
- |
|
|
|
415 min |
220 min |
≥30 |
163 max |
ASTM A213 T22/ASME SA213 T22 |
0.05-0.15 |
≤0.5 |
0.30-0.60 |
0.02 |
0.029 max |
1.90-2.60 |
0.87-1.13 |
- |
- |
- |
- |
- |
|
|
|
≥415 |
205 |
≥30 |
85HRB(163HBW) |
ASTM A213 T23/ASME SA213 T23 |
0.04-0.10 |
≤0.50 |
0.10-0.60 |
0.01 |
0.030 max |
1.90-2.60 |
0.05-0.30 |
0.20-0.30 |
- |
0.0005-0.006 |
1.45-1.75 |
- |
≤0.03 |
0.02-0.08 |
≤0.03 |
≥510 |
400 |
≥20 |
97HRB(220HBW) |
ASTM A213 T24/ASME SA-213 T24 |
0.05-0.10 |
0.15-0.45 |
0.30-0.70 |
0.02 |
0.031 max |
2.20-2.60 |
0.70-1.10 |
0.20-0.30 |
0.06-0.10 |
0.0015-0.0020 |
- |
- |
≤0.02 |
|
≤0.012 |
|
|
|
|
ASTM A213 T91/ASME SA213 T91 |
0.08-0.12 |
0.20-0.50 |
0.30-0.60 |
0.01 |
0.032 max |
8.00-9.50 |
0.85-1.05 |
0.18-0.25 |
- |
- |
- |
≤0.4 |
≤0.4 |
0.06-0.10 |
0.03-0.07 |
≥585 |
415 |
≥20 |
25HRC(250HBW) |
ASTM A213 T911/ASME SA213 T911 |
0.09-0.13 |
0.10-0.50 |
0.30-0.60 |
0.02 |
0.033 max |
8.50-10.50 |
0.90-1.10 |
0.18-0.25 |
- |
0.0003-0.006 |
0.90-1.10 |
≤0.4 |
≤0.4 |
0.06-0.10 |
0.04-0.09 |
≥620 |
440 |
≥20 |
25HRC(250HBW) |
2. Mechanical Properties
Mechanical Properties of ASTM A213 Low Alloy Steel Tubes |
Grade |
Tensile Strength |
Yield Strength |
Elongation, % |
Hardness |
ksi |
MPa |
ksi |
MPa |
Brinell/Vickers |
Rockwell |
T5b |
60 |
415 |
30 |
205 |
30 |
179 HBW/190 HV |
89 HRB |
T9 |
60 |
415 |
30 |
205 |
30 |
179 HBW/190 HV |
89 HRB |
T12 |
60 |
415 |
32 |
220 |
30 |
163 HBW/170 HV |
85 HRB |
T23 |
74 |
510 |
58 |
400 |
20 |
220 HBW/230 HV |
97 HRB |
T24 |
85 |
585 |
60 |
415 |
20 |
250 HBW/265 HV |
25 HRC |
T36 Class 1 |
90 |
620 |
64 |
440 |
15 |
250 HBW/265 HV |
25 HRC |
T36 Class 2 |
95.5 |
660 |
66.5 |
460 |
15 |
250 HBW/ 265 HV |
25 HRC |
T91 |
85 |
585 |
60 |
415 |
20 |
190 to 250 HBW/ 196 to 265 HV |
90 HRB to 25 HRC |
T92 |
90 |
620 |
64 |
440 |
20 |
250 HBW/ 265 HV |
25 HRC |
T122 |
90 |
620 |
58 |
400 |
20 |
250 HBW/ 265 HV |
25 HRC |
T911 |
90 |
620 |
64 |
440 |
20 |
250 HBW/ 265 HV |
25 HRC |
Others*A |
60 |
415 |
30 |
205 |
30 |
163 HB/170 HV |
85 HRB |
*A – All other low alloy steel grades of ASTM A213.
3. Heat Treatment
Heat Treatment Process for ASTM A213 Low Alloy Steel Tubes |
Grade |
Heat Treatment Type |
Austenitizing/Solutioning
Temperature, min. or range °F[°C] |
Cooling Media |
Subcritical Annealing or Tempering
Temperature, min. or range °F[°C] |
T2 |
full or isothermal anneal |
- |
- |
- |
normalize and temper |
- |
- |
- |
subcritical anneal |
- |
- |
1200-1350[650-730] |
T5 |
full or isothermal anneal |
- |
- |
- |
normalize and temper |
- |
- |
1250[675] |
T5b |
full or isothermal anneal |
- |
- |
- |
normalize and temper |
- |
- |
1250[675] |
T5c |
subcritical anneal |
- |
air or furnace |
1350[730] |
T9 |
full or isothermal anneal |
- |
- |
- |
normalize and temper |
- |
- |
1250[675] |
T11 |
full or isothermal anneal |
- |
- |
- |
normalize and temper |
- |
- |
1200[650] |
T12 |
full or isothermal anneal |
- |
- |
- |
normalize and temper |
- |
- |
- |
subcritical anneal |
- |
- |
1200-1350[650-730] |
T17 |
full or isothermal anneal |
- |
- |
- |
normalize and temper |
- |
- |
1200[650] |
T21 |
full or isothermal anneal |
- |
- |
- |
normalize and temper |
- |
- |
1250[675] |
T22 |
full or isothermal anneal |
- |
- |
- |
normalize and temper |
- |
- |
1250[675] |
T23 |
normalize and temper |
1900-1975[1040-1080] |
- |
1350-1470[730-800] |
T24 |
normalize and temper |
1800-1870[980-1020] |
- |
1350-1420[730-770] |
T36 |
normalize and temper |
1650[900] |
- |
1100[595] |
T91 |
normalize and temper |
1900-1975[1040-1080] |
- |
1350-1470[730-800] |
T92 |
normalize and temper |
1900-1975[1040-1080] |
- |
1350-1470[730-800] |
T122 |
normalize and temper |
1900-1975[1040-1080] |
- |
1350-1470[730-800] |
T911 |
normalize and temper |
1900-1975[1040-1080] |
- |
1365-1435[740-780] |
4. Inspection and Tests
Tests or inspection the ASTM A213 tube shall take include: tension test, hardness test, flattening test, flaring test, hydrostatic or any alternative nondestructive(NDT) test, dimension inspection and visual examination.