Detailed specification:
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
Application
For high, middle, low pressure boiler and pressure purpose
| 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 | | |
Certification
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