SA178 Boiler Tube
SA178 Boiler Tube Price
SA178 Boiler Tube
SA178 grade a Seamless Tube
SA 178 grade c Tubing
SA 178 Gr D Superheater Tubes
ASME SA178 Welded Steel Boiler Tubes
SA178a Boiler Tubes
SA178 Boiler Tube Specifications
| 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 |
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| 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 |
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Carbon Steel SA 178 Boiler Tube for critical engineered applications
| SA 178 Seamless Tube | Seamless Black ASME SA 178 Gr A CDW Tube |
| SA 178 Gr A Welded Tube | SA178 Grade A Cold Drawn Tube |
| SA 178 Gr C Hollow Tube | ASME SA 178 Gr D Casing Tube |
| SA 178 Carbon Steel Boiler Tube | SA 178c finned Tube |
| ASME SA 178 Gr A Reheater Tube | SA 178 Straight Tube |
| SA178 Grade A Instrument Tube | SA 178 Gr A U Bend Tube |
| ASME SA 178 Gr D Round Tube | ASME SA 178 Gr D Seamless Boiler Tube |
| SA 178c High Pressure Tube | SA 178 Carbon Steel Water Tube Boiler |
| SA 178 Square Tube | ASME SA 178 Gr A Superheater Tube |
| SA 178 Gr A Rectangular Tube | SA178 Grade A Coiled Tube |
| SA 178 Gr C Welded Rectangular | ASME SA 178 Gr D Dom Tube |
| Large Diameter Seamless SA 178 Carbon Steel Tube | Seamless SA 178 Hydraulic Tube |
| Epoxy Coated SA 178c Tube | SA 178 Condenser Tube |
| SA 178 Gr A Fabricated Tube | Thin Wall SA 178 Gr A Cold Drawn Seamless Tube |
SA178/ SA178a Boiler Tubes Chemical Compatibility
| 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 | 0.030 | 0.035 |
SA178 grade a boiler tubing mechanical characteristics
| 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 |
| Each1⁄32-in[0.8mm] decrease in wall thickness below 5⁄16in. [8mm] | |||
| From the basic minimum elongation of the following percentage points shall be made |
SA178a pipe OD and Wall thickness Tolerance
| Outside Diameter tolerance | Wall thickness tolerance | ||
|---|---|---|---|
| OD < 50 | ±0.05mm | S < 4mm | ±12.5% |
| OD > 50 | ±1% | 4–20mm | +15/-12.5% |
| S≥20mm | ±12.5% | ||
SA178 Boiler Tube supplied for the normalized condition
Carbon Steel SA 178 Boiler Tube manufacturer
ASME SA 178 Gr A / C Carbon Steel Boiler Tubing