ASTM A192, ASME SA192 Seamless Carbon Steel Boiler Tube Superheater
Tube
ASTM A192 Seamless Steel Tube is applied as minimum-wall-thickness,
seamless carbon steel boiler and superheater tubes for
high-pressure service.
Chemical Composition
| Grade | Chemical composition(%) |
| C | Type | C | Si | Mn | P | S |
| ASTM A192 | S=Seamless | 0.06~0.18 | 0.25Max | 0.27~0.63 | 0.035Max | 0.035Max |
Mechanical Property
| Grade | Elongation % | Tensile Test MPa or N/mm2 |
| A | Min Yield Strength | Tensile Strength |
| ASTM A192 | =35 | =180 | =325 |
Hardness Requirement
| Brinell Hardness Number | Rockwell Hardness Number |
| (Tubes 0.200 in. [5.1 mm] and over in wall thickness) | (Tubes less than 0.200 in. [5.1 mm] in wall thickness) |
| 137 HB | 77 HRB |
Production Standard, Grade, Steel No
ASTM A178 Grade A, C, D
ASTM A179 Grade A, C, D
ASTM A192
ASTM A210 GradeA-1, C
BS3059-Ⅰ 320 CFS
BS3059-Ⅱ 360, 440, 243, 620-460, 622-490, S1, S2, TC1, TC2
EN10216-1 P195TR1/TR2, P235TR1/TR2, P265TR1/TR2
EN10216-2 P195GH, P235GH, P265GH, TC1, TC2
DIN17175 ST35.8, ST45.8
DIN1629 ST37.0, ST44.0, ST50.0
JIS G3454 STPG370, STPG410
JIS G3461 STB340, STB410, STB440
GB5310 20G, 15MoG, 12CrMoG, 12Cr2MoG, 15CrMoG, 12Cr1MoVG,
12Cr2MoWVTiB
GB9948 10, 20, 12CrMo, 15CMo
GB3087 10, 20
Delivery Condition:Annealed, Normalized, Normalized and Tempered
Inspection and Test
Chemical Composition Inspection, Mechanical Properties Test(Tensile
Strength,Yield Strength,
Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),
Surface and Dimension Test,No-destructive Test, Hydrostatic Test.
Surface treatment
Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
| Tube Sizes for Heat Exchangers & Condensers & Boiler |
| Outside Diameter | | BWG |
| 25 | 22 | 20 | 18 | 16 | 14 | 12 | 10 |
| Wall Thickness mm |
| 0.508 | 0.71 | 0.89 | 1.24 | 1.65 | 2.11 | 2.77 | 3.40 |
| mm | inch | | Weight kg/m |
| 6.35 | 1/4 | 0.081 | 0.109 | 0.133 | 0.174 | 0.212 | | | |
| 9.53 | 3/8 | 0.126 | 0.157 | 0.193 | 0.257 | 0.356 | 0.429 | | |
| 12.7 | 1/2 | | 0.214 | 0.263 | 0.356 | 0.457 | 0.612 | 0.754 | |
| 15.88 | 5/8 | | 0.271 | 0.334 | 0.455 | 0.588 | 0.796 | 0.995 | |
| 19.05 | 3/4 | | 0.327 | 0.405 | 0.553 | 0.729 | 0.895 | 1.236 | |
| 25.4 | 1 | | 0.44 | 0.546 | 0.75 | 0.981 | 1.234 | 1.574 | 2.05 |
| 31.75 | 1 1/4 | | 0.554 | 0.688 | 0.947 | 1.244 | 1.574 | 2.014 | 2.641 |
| 38.1 | 1 1/2 | | 0.667 | 0.832 | 1.144 | 1.514 | 1.904 | 2.454 | 3.233 |
| 44.5 | 1 3/4 | | | | 1.342 | 1.774 | 2.244 | 2.894 | 3.5 |
| 50.8 | 2 | | | | 1.549 | 2.034 | 2.574 | 3.334 | 4.03 |
| 63.5 | 2 1/2 | | | | 1.949 | 2.554 | 3.244 | 4.214 | 5.13 |
| 76.2 | 3 | | | | 2.345 | 3.084 | 3.914 | 5.094 | 6.19 |
| 88.9 | 3 1/2 | | | | 2.729 | 3.609 | 4.584 | 5.974 | 7.27 |
| 101.6 | 4 | | | | | 4.134 | 5.254 | 6.854 | 8.35 |
| 114.3 | 4 1/2 | | | | | 4.654 | 5.924 | 7.734 | 9.43 |
| Form of Tube: Straight & U-bend & Finned & Coiled |
| Stainless Steel Tube: A/SA213, A/SA249, A/SA268, A/SA269, A/SA789, EN10216-5, A/SA688,
B/SB163, JIS-G3463, GOST9941-81. |
| Carbon &Alloy Steel Tube: A/SA178, A/SA179, A/SA192,A/SA209, A/SA210, A/SA213, A.SA214 |
