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| Categories | Boiler Steel Tube |
|---|---|
| Brand Name: | HDT |
| Model Number: | TP304L |
| Certification: | ASME/CE / ISO /TUV |
| Place of Origin: | China |
| MOQ: | 5T |
| Price: | 100 - 1000 USD / ton |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 10000 ton / month |
| Delivery Time: | 30days |
| Packaging Details: | Seaworthy Package |
| STANDARD: | JIS, AiSi, ASTM, GB, DIN, EN |
| MATERIAL: | TP304L |
| SPECIFICATION: | Carbon steel seamless Boiler Tube, cold-drawn tube, ASTM A179/seamless boiler tubes/seamless steel pipe |
| Package: | Standard Seaworthy Package |
| Processing: | Bending, Welding, Decoiling, Punching, Cutting, Moulding |
| Shape: | Round |
| Company Info. |
| ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD |
| Verified Supplier |
| View Contact Details |
| Product List |
Description
We are one of the biggest manufactures of stainless steel & duplex steel & alloy steel tubes and pipes in China. With development more than 20 years.
ASTM A178 Standard covers minimum-wall-thickness, electric-resistance-welded tubes made of carbon steel and carbon-manganese steel intended for use as boiler tubes, boiler flues, superheater flues, and safe ends.
SA178 tubing sizes and thicknesses usually furnished to this specification are 1⁄2 to 5 in. [12.7 to 127 mm] in outside diameter and 0.035 to 0.360 in. [0.9 to 9.1 mm], inclusive, in minimum wall thickness. Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification.


Specification:
| Standard specification | ASTM A178, ASME SA178 |
| Grade | Grade A, Grade C, Grade D, BKW, NBK, GBK |
| Available sizes | 4 Inch to 26 Inch, Customized Size Available |
| OD | 12.7mm to 127mm |
| Wall thickness | 1.5mm to 6.0mm |
| Length | 6m-25m, Custom Double / Single Random |
| End Finish | Plain End, Beveled End, Treaded Protected With Plastic End Caps |
| Shape | Round, Coiled, “U” Bend, Rectangular, Hydraulic |
| Manufacturing types | Welded & ERW SA178 & A178 Tubes |
| Fabricated & CDW A178 & SA178 Tubes | |
| Common uses & application |
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| Producing process | Electric-Resistance-Welded |
| Delivery Condition | Annealed, Normalized, Tempered, Heat Treatment, BK, BKS |
| Surface | Varnish |
| Common Supply Terms followed |
|
SA178 Chemical details:
| Element | Carbon | Manganese | Phosphorus | Sulfur |
| Grade A | 0.06-0.18 | 0.27-0.63 | 0.035 | 0.04 |
| Grade B | 0.35 max | 0.80 max | 0.035 | 0.035 |
| Grade C | 0.27 max | 1.00-1.50 | 0.03 | 0.035 |
SA178 Mechanical properties:
| SA178 Grade A | SA178 Grade C | SA178 Grade D | |
| Tensile strength, min, ksi [MPa] | 47[325] | 60[415] | 70[485] |
| Yield strength, min, ksi [MPa] | 26[180] | 37[255] | 40[275] |
| Elongation in 2 in. or 50mm, min, % | 35 | 30 | 30 |
| For longitudinal strip tests a deduction for | 1.50A | 1.50A | 1.50A |
SA178 Pipe OD and WT Tolerance:
| Outside Diameter tolerance | Wall thickness tolerance | ||
| OD < 50 | ±0.05mm | S < 4mm | ±12.5% |
| OD > 50 | ±1% | 4–20mm | -120 |
| S≥20mm | ±12.5% | ||
Application Industries

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