ASTM A213 / A213M-19a Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
The tubing sizes and thicknesses usually furnished to this specification are 1/8 in. [3.2 mm] in inside diameter to 5 in. [127 mm] in outside diameter and 0.015 to 0.500 in. [0.4 to 12.7 mm], inclusive, in minimum wall thickness or, if specified in the order, average wall thickness. Tubing having other diameters may be furnished, provided such tubes comply with all other requirements of this specification.
ASTM A213 alloy steel tube Dimensions:
Grade: T2, T5, T9, T11, T12, T91, T92
Outside Diameter: 4 -127mm
Wall Thickness: 0.4-12.7mm
Length: 32m Max.
ASTM A213 alloy steel tube chemical composition:
| Grade | C | Mn | P | S | Si | Cr | Mo | V | N | Ni | Al | Nb | W |
| T2 | 0.10-0.20 | 0.30-0.61 | 0.025 max | 0.025 max | 0.10-0.30 | 0.50-0.81 | 0.44-0.65 | ||||||
| T5 | 0.15 max | 0.30-0.60 | 0.025 max | 0.025 max | 0.50 max | 4.00-6.00 | 0.45-0.65 | ||||||
| T9 | 0.15 max | 0.30-0.60 | 0.025 max | 0.025 max | 0.25-1.00 | 8.0-10.0 | 0.90-1.10 | ||||||
| T11 | 0.15 max | 0.30-0.60 | 0.025 max | 0.025 max | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 | ||||||
| T12 | 0.15 max | 0.30-0.60 | 0.025 max | 0.025 max | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 | ||||||
| T22 | 0.05-0.15 | 0.30-0.60 | 0.025 max | 0.025 max | 0.50 max | 1.90-2.60 | 0.87-1.13 | ||||||
| T91 | 0.08-0.12 | 0.30-0.60 | 0.020 max | 0.010 max | 0.20-0.50 | 8.00-9.50 | 0.85-1.05 | 0.18-0.25 | 0.03-0.07 | 0.40 max | 0.04 max | 0.06-0.10 | |
| T92 | 0.07-0.13 | 0.30-0.60 | 0.020 max | 0.010 max | 0.50 max | 8.50-9.50 | 0.30-0.60 | .015-0.25 | 0.03-0.07 | 0.40 max | 0.04 max | 0.04-0.09 | 1.50-2.00 |
ASTM A213 alloy steel tube mechanical property table:
| Grade | Tensile Strength, Mpa | Yield Strength, Mpa | Elongation, % | Hardness, HB |
| T2 | 415 min | 205 min | 30 min | 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 | 179 max |
| T12 | 415 min | 205 min | 30 min | 179 max |
| T22 | 415 min | 205 min | 30 min | 163 max |
| T91 | 585 min | 415 min | 20 min | 250 max |
| T92 | 585 min | 415 min | 20 min | 250 max |
ASTM A213 alloy steel tube outside diameter tolerance:
| Method | Outside Diameter,mm | Tolerance, mm |
| Hot Rolled | OD=101.6 | +0.4 / -0.8 |
101.6| +0.4 / -1.2 | | |
190.5| +0.4 / -1.6 | | |
| Cold Drawn | OD<25.4 | ±0.10 |
| 25.4=OD=38.1 | ±0.15 | |
38.1| ±0.20 | | |
| 50.8=OD<63.5 | ±0.25 | |
| 63.5=OD<76.2 | ±0.30 | |
| 76.2=OD=101.6 | ±0.38 | |
101.6| ?0.38 / -0.64 | | |
190.5| ?0.38 / -1.14 | |
ASTM A213 alloy steel tube wall thickness tolerance:
| Method | Outside Diameter, mm | Tolerance, % |
| Hot Rolled | OD=101.6,WT=2.4 | +40 / -0 |
OD=101.6,2.4| +35 / -0 | | |
OD=101.6,3.8| +33 / -0 | | |
| OD=101.6,WT>4.6 | +28 / -0 | |
OD>101.6,2.4| +35 / -0 | | |
OD>101.6,3.8| +33 / -0 | | |
| OD>101.6,WT>4.6 | +28 / -0 | |
| Cold Drawn | OD=38.1 | +20 / -0 |
| OD>38.1 | +22 / -0 |
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| Grade | T2, T5 ,T9,T11,T12,T91,T92 |
|---|---|
| Outside Diameter | 4 -127mm |
| Wall Thickness | 0.4-12.7mm |
| Length | 32m Max |