Tubería de acero de aleación ASTM A213
ASTM A213 cubre calderas, tubos de calderas y tubos de intercambiadores de calor de acero ferrítico y austenítico sin costura para aplicaciones de alta temperatura, con grados designados T5, TP304, etc. Los grados con la letra H tienen una mayor resistencia a la rotura por fluencia que los grados sin la H. La tubería sin costura ASME SA213 es una tubería de cromo-molibdeno que contiene elementos de aleación de cromo y molibdeno.
CSC STEEL es uno de los principales fabricantes y proveedores de tubos de acero de baja aleación ASTM A213 en varios grados y tamaños. También disponemos de tubos sin costura de acero aleado ASTM A213: T2, T11, T12, T22, T91, T92 en condiciones de recocido y decapado, recocido brillante, acabado y pulido según los requisitos del cliente.
ASTM A213 Alloy Steel Chemical Composition(%, max)
| Steel Grade |
Chemical Composition% |
| C |
Si |
Mn |
P, S Max |
Cr |
Mo |
Ni Max |
V |
Al Max |
W |
B |
Nb |
N |
| T2 |
0.10~0.20 |
0.10~0.30 |
0.30~0.61 |
0.025 |
0.50~0.81 |
0.44~0.65 |
– |
– |
– |
– |
– |
– |
– |
| T11 |
0.05~0.15 |
0.50~1.00 |
0.30~0.60 |
0.025 |
1.00~1.50 |
0.44~0.65 |
– |
– |
– |
– |
– |
– |
– |
| T12 |
0.05~0.15 |
Max 0.5 |
0.30~0.61 |
0.025 |
0.80~1.25 |
0.44~0.65 |
– |
– |
– |
– |
– |
– |
– |
| T22 |
0.05~0.15 |
Max 0.5 |
0.30~0.60 |
0.025 |
1.90~2.60 |
0.87~1.13 |
– |
– |
– |
– |
– |
– |
– |
| T91 |
0.07~0.14 |
0.20~0.50 |
0.30~0.60 |
0.02 |
8.0~9.5 |
0.85~1.05 |
0.4 |
0.18~0.25 |
0.015 |
– |
– |
0.06~0.10 |
0.03~0.07 |
| T92 |
0.07~0.13 |
Max 0.5 |
0.30~0.60 |
0.02 |
8.5~9.5 |
0.30~0.60 |
0.4 |
0.15~0.25 |
0.015 |
1.50~2.00 |
0.001~0.006 |
0.04~0.09 |
0.03~0.07 |
ASTM A213 Alloy Steel Mechanical properties:
| Steel Grade |
Mechanical Properties |
| T. S |
Y. P |
Elongation |
Hardness |
| T2 |
≥ 415MPa |
≥ 205MPa |
≥ 30% |
163HBW(85HRB) |
| T11 |
≥ 415MPa |
≥ 205MPa |
≥ 30% |
163HBW(85HRB) |
| T12 |
≥ 415MPa |
≥ 220MPa |
≥ 30% |
163HBW(85HRB) |
| T22 |
≥ 415MPa |
≥ 205MPa |
≥ 30% |
163HBW(85HRB) |
| T91 |
≥ 585MPa |
≥ 415MPa |
≥ 20% |
250HBW(25HRB) |
| T92 |
≥ 620MPa |
≥ 440MPa |
≥ 20% |
250HBW(25HRB) |
ASTM A213 Steel Tubes Outside Diameter and Wall Thickness Tolerance
| OD, mm |
OD Tolerance |
| < 25.4 |
+/- 0.10 |
| 25.4 – <= 38.1 |
+/- 0.15 |
| > 38.1 -< 50.8 |
+/- 0.20 |
| 50.8 -< 63.5 |
+/- 0.25 |
| 63.5 -< 76.2 |
+/- 0.30 |
| 76.2 – <= 101.6 |
+/- 0.38 |
| > 101.6 – <= 190.5 |
+0.38/-0.64 |
| > 190.5 – <= 228.6 |
+0.38/-1.14 |
| OD, mm |
WT Tolerance |
| <= 38.1 |
+20%/-0 |
| > 38.1 |
+22%/-0 |
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