Contact Platform Support
Help CenterASTM A178 ERW Steel Boiler Tube – Economical & Reliable
Product Spotlights
Related Products
-
ASTM A178 ERW Steel Tube Electric-Resistance-Welded – Boiler & Superheater ServiceNegotiableMOQ: 1 Metric Ton -
Q355B Lined & Clad Composite Pipe Bimetal Metallurgical Bonded Pipe for Corrosion & Wear ResistanceNegotiableMOQ: 1 Metric Ton
-
Q355B Composite Pipe – Bimetal Clad PipeNegotiableMOQ: 1 Ton
-
Seamless Boiler Tube – High Temperature & PressureNegotiableMOQ: 1 Metric Ton
-
Seamless Steel Pipe for Boiler High Temperature & High Pressure – Carbon & Alloy SteelNegotiableMOQ: 1 Metric Ton
ASTM A178 ERW Steel Boiler Tube – Economical & Reliable
Product Overview
ASTM A178 / ASME SA178 covers electric-resistance-welded (ERW) carbon steel tubes for boilers, boiler flues, superheater flues, and safe ends.
Heat treated after welding for weld integrity. A cost-effective alternative to seamless boiler tubes.
Grades: Grade A (Low Carbon) | Grade C (Medium Carbon) | Grade D (Carbon-Manganese)
✅ 100% hydrostatic or NDT tested
✅ Mill test certificate EN 10204 3.1 provided
✅ Factory direct | ERW specialist
Key Specifications
| Parameter | Details |
|---|---|
| Standard | ASTM A178 / ASME SA178 |
| Type | ERW (Electric-Resistance-Welded) |
| Grades | A, C, D |
| OD Range | 1/2″ – 5″ (12.7mm – 127mm) |
| WT Range | 0.035″ – 0.360″ (0.9mm – 9.1mm) |
| Length | 3m – 12m |
| Surface | Black / Bare / Oiled |
Chemical Composition (ASTM A178)
| Element | Grade A | Grade C | Grade D |
|---|---|---|---|
| Carbon (C) | 0.06-0.18% | ≤0.35% | ≤0.27% |
| Manganese (Mn) | 0.27-0.63% | ≤0.80% | 1.00-1.50% |
| Phosphorus (P) | ≤0.035% | ≤0.035% | ≤0.030% |
| Sulfur (S) | ≤0.040% | ≤0.035% | ≤0.015% |
Mechanical Properties (Grades C & D)
| Grade | Tensile Strength | Yield Strength | Elongation |
|---|---|---|---|
| Grade C | ≥415 MPa | ≥255 MPa | ≥30% |
| Grade D | ≥485 MPa | ≥275 MPa | ≥30% |
Key Advantages
| Feature | Benefit |
|---|---|
| ERW manufacturing | Lower cost than seamless |
| Heat treated after welding | Uniform properties, stress-relieved weld |
| Multiple grades | Choose strength level for your application |
| 100% tested | Guaranteed pressure integrity |
| Minimum-wall-thickness | Weight reduction |
Applications
Boiler tubes & boiler flues
Superheater flues
Safe ends for boiler connections
Industrial steam boilers
Marine & power plant boilers
Available Sizes (Stock)
| OD (inch) | OD (mm) | WT (mm) |
|---|---|---|
| 1/2″ | 12.7 | 0.9-2.1 |
| 3/4″ | 19.1 | 1.1-2.4 |
| 1″ | 25.4 | 1.2-3.0 |
| 1-1/4″ | 31.8 | 1.4-3.4 |
| 1-1/2″ | 38.1 | 1.7-4.0 |
| 2″ | 50.8 | 2.1-5.2 |
| 2-1/2″ | 63.5 | 2.4-6.4 |
| 3″ | 76.2 | 2.8-7.6 |
| 4″ | 101.6 | 3.0-9.1 |
| 5″ | 127.0 | 3.8-9.1 |
Quality Testing
Hydrostatic Test – 100%
Nondestructive Electric Test – 100%
Flattening / Flange / Reverse Flattening Test – Per batch
Tensile Test (Grades C & D) – Per batch
Processing Services
Cutting | Bending | Swaging | Threading | Surface treatment
Packaging
Bundles + anti-rust oil + plastic end caps + seaworthy export packing
Quick Grade Selection Guide
| Grade | Carbon | Strength | Best For |
|---|---|---|---|
| A | Low | Standard | General boiler service |
| C | Medium | Higher | High-temperature boilers |
| D | Carbon-Mn | Highest | Demanding superheater service |
Contact for Quote
Please provide: Grade / OD / WT / Length / Quantity
📧 Email:yjhtrade@gmail.com
📞 WhatsApp: +86 15106174543
🌐 Website:
Tags: ASTM A178 ERW Boiler Tube Carbon Steel Boiler Tube Superheater Tube ASME SA178
Send Inquiry to This Supplier
You May Also Like
-
Bimetal Composite Pipe / Lined Pipe Q355B + 65Mn / 65MnCr / QSTE600TM – Mechanical Bond or Metallurgical BondNegotiableMOQ: 1 Ton
-
Bimetal Composite Pipe – Q355B + 65Mn / 65MnCr / QSTE600TM Wear-Resistant Lined Pipe – Mining, Dredging, Slurry TransportNegotiableMOQ: 1 Ton
-
Bimetal Composite Pipe – Q355B + 65Mn / 65MnCr / QSTE600TMNegotiableMOQ: 1 Ton
-
Bimetal Composite Pipe – Q355B + 65MnNegotiableMOQ: 1 Ton
-
ASTM A178 ERW Welded Steel Tube Supplier – Boiler & Superheater ServiceNegotiableMOQ: 1 Metric Ton
-
Seamless Steel PIPESNegotiableMOQ: 1 Metric Ton
-
Boiler & Heat Exchanger TubesNegotiableMOQ: 1 Metric Ton
-
CARBON STEEL PIPE for High-Temperature ApplicationsNegotiableMOQ: 1 Metric Ton
-
Tubes for High-temperature & Low-temperatureNegotiableMOQ: 1 Metric Ton
-
Precision Seamless Pipe and ERW PipeNegotiableMOQ: 1 Metric Ton
