TORICH INTERNATIONAL LIMITED
12 month ago
ASTM A135 Electric-Resistance-Welded Steel Pipe
Material
Specification
| Standard | ASTM A135 / ASME SA135 |
| Grades | Grade A, Grade B |
| Manufacturing Process | Electric-Resistance-Welded (ERW) |
| Surface Finish | Black, varnished, galvanized, or oiled |
| Outer Diameter | 6 mm - 762 mm |
| Wall Thickness | 1.65 mm - 12.7 mm |
| Length | Customizable |
| Testing | Flattening, bending, hydrostatic test, and nondestructive electric test |
Key Features
- Manufactured using high-frequency electric resistance welding (ERW) technology, it offers consistent weld quality.
- A smooth inner bore ensures low friction loss during fluid transport.
- Provides uniform mechanical properties and dimensional accuracy.
- An economical alternative to seamless pipe for medium and low-pressure applications.
- Easy to fabricate, weld, bend, and cut.
- Available in black and galvanized finishes for excellent corrosion resistance.
Chemical Composition
| Grade | C (max, %) | Mn (max, %) | P (max, %) | S (max, %) | Si (max, %) |
|---|---|---|---|---|---|
| Grade A | 0.25 | 0.95 | 0.035 | 0.035 | 0.10 |
| Grade B | 0.30 | 1.20 | 0.035 | 0.035 | 0.10 |
Mechanical Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HBW) |
|---|---|---|---|---|
| Grade A | ≥ 330 | ≥ 205 | ≥ 30 | ≤ 179 |
| Grade B | ≥ 415 | ≥ 240 | ≥ 25 | ≤ 187 |
Steel Grade
- Grade A: Low-carbon ERW pipe suitable for general-purpose, low-pressure applications.
- Grade B: Medium-strength ERW pipe suitable for medium-pressure and higher mechanical load applications.
Application
- Steam, air, gas, and water transportation in industrial and municipal systems
- Fire protection systems and sprinkler piping
- Structural and mechanical support
- Low- and medium-pressure fluid piping
- HVAC systems, piping, and general engineering applications
Possible Alternative Grades
| Alternative Grades | Reasons |
| ASTM A53 Grade A/ B | For similar pressure and mechanical applications. |
| ASTM A252 Grade 1/ 2/ 3 | For structural and piling applications, not fluid transfer. |
| ASTM A500 Grade A/ B/ C | A structural alternative with increased strength and dimensional control. |
| ASTM A178 Grade A/ C | Suitable for high-temperature boilers and heat exchangers. |
Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
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