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| Brand Name: | TORICH |
| Model Number: | ASTM A978 |
| MOQ: | 1 Ton |
| Price: | Negotiable |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 60000 Ton/Tons per Year |
ASTM A978 specifies the requirements for plastic-coated steel pipes, particularly those that are pre-coated with polyethylene. This composite rib welded steel pipe is designed to provide enhanced durability and corrosion resistance, making it suitable for various applications in harsh environments.
The ASTM A978 standard outlines the specifications for the manufacturing process, dimensions, and performance characteristics of plastic-coated steel pipes. The pipes must meet specific criteria for coating thickness, adhesion, and overall structural integrity.
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.05 - 0.25 |
| Manganese (Mn) | 0.30 - 0.60 |
| Phosphorus (P) | ≤ 0.04 |
| Sulfur (S) | ≤ 0.05 |
| Silicon (Si) | 0.10 - 0.40 |
| Iron (Fe) | Balance |
| Property | Value |
|---|---|
| Yield Strength (min) | 250 MPa |
| Tensile Strength (min) | 400 MPa |
| Elongation | 20% (min) |
| Hardness | 120 HB (max) |
The steel grade used in ASTM A978 pipes typically falls under the standard structural steel grades, such as ASTM A53 or ASTM A106, depending on the specific application and requirements.
ASTM A978 plastic-coated steel pipes are widely used in:
While ASTM A978 is a preferred choice for many applications, alternative grades may include:
A: manufacturer,also can do trading.
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.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
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