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ASTM A199/A199M T11 Seamless Alloy Heat-exchanger & Condenser Tubes
ASTM A199 covers several grades of minimum-wall-thickness, chromium-molybdenum and chromium-molybdenum-silicon, seamless, cold-drawn, intermediate alloy steel tubes for heat exchanger, condensers, and similar heat transfer apparatus.
The tubing sizes usually furnished to this specification are 1/8 to 3 in. [3.2 to 76.2 mm) in outside diameter. Tubing having other dimensions may be furnished provided such tubes comply with all other requirements of this specification.
Seamless Alloy heat exchanger tube ASTM A199 is widely used for shell & tube bundle heat exchanger, condenser and similar heat transfer equipment.
ASTM A199/A199M T11
| Standard | Grade | Chemical Composition% | ||||||
| C | Mn | P | S | Si | Cr | Mo | ||
| ASTM A199 | T5 | ≤0.15 | 0.30-0.60 | ≤0.025 | ≤0.025 | ≤0.50 | 4.00-6.00 | 0.45-0.65 |
| T9 | ≤0.15 | 0.30-0.60 | ≤0.025 | ≤0.025 | 0.25-1.00 | 8.00-10.0 | 0.90-1.10 | |
| T11 | 0.05-0.15 | 0.30-0.60 | ≤0.025 | ≤0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 | |
| T21 | 0.05-0.15 | 0.30-0.60 | ≤0.025 | ≤0.025 | ≤0.50 | 1.90-2.60 | O.87-1.13 | |
| Standard | Grade | Technical Parameters:% | ||
| Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation(%) | ||
| ASTM A199 | T5 | ≥415 | ≥170 | ≥30 |
| T9 | ≥415 | ≥170 | ≥30 | |
| T11 | ≥415 | ≥170 | ≥30 | |
| T22 | ≥415 | ≥170 | ≥30 | |
Equivalent Standard / Grades For Carbon Steel ASTM A199 / ASME SA199 Pipes & Tubes
| ASTM standard | Japanese | German | British | ||
| JIS No | DIN type | DIN No | BS No | BS grade | |
| A199 T5 | STBA25 | 12crmo19 5 | 3606 | CFS625 | |
| A199 T11 | STBA23 | DIN17175 | 13crmo44 | 3606 | CFS621 |
| A199 T22 | STBA24 | SEW610 | 10crmo9 10 | 3606 | CFS622 |
| A199 t9 | STBA26 | DIN17175 | 12CrMo195 | 3606 | |
