40 Welded Galvanized Steel Pipe
Products Description
| Specification | Details |
|---|---|
| Pipe Material & Manufacture | ASTM A53 - Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless |
| Type | Type E (Electric Resistance Welded) or Type S (Seamless). Type E is most common for general applications |
| Grade | Grade A (lower tensile strength) or Grade B (higher tensile strength). Grade B is more prevalent |
| Galvanizing Process | ASTM A123/A123M - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products |
Products Advantages
| Advantage | Description |
|---|---|
| Strength-to-Weight | Offers an excellent balance of strength and material cost |
| Availability | The most widely available pipe schedule globally |
| Versatility | Suitable for a vast range of pressure and structural applications |
| Standardization | Fittings, valves, and hangers are universally designed for Schedule 40/80 dimensions |
Products Applications
| Application Field | Specific Uses |
|---|---|
| Water Supply Lines | For both potable and non-potable water |
| Structural Applications | Handrails, guardrails, scaffolding (where allowed), and support frames |
| Fencing and Outdoor Structures | Gates, livestock pens, and greenhouse frames |
| Electrical Conduit | Protecting electrical wires (EMT) |
| Compressed Air Systems | For industrial plant air lines |
| General Fabrication | Use in machine shops and for DIY projects |
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Q1: What does "Schedule 40" mean?
A: "Schedule" (often abbreviated as "Sch") is a standardized term that refers to the wall thickness of a pipe. Schedule 40 is the most common "standard weight" for steel pipes. A higher schedule number (e.g., Sch 80, Sch 160) means a thicker wall and a higher pressure rating, but also increased weight and cost.
Q2: What are the key standards for this pipe?
A: Our Schedule 40 Galvanized Pipes are manufactured to the following key ASTM International standards:
Pipe Material & Fabrication: ASTM A53 - This covers both welded (Type E) and seamless (Type S) steel pipe, typically Grade B for higher strength.
Galvanizing Coating: ASTM A123 - This standard specifies the requirements for the hot-dip zinc galvanizing coating process, ensuring a minimum thickness and durability.
Q3: What is the difference between "Nominal Pipe Size" and actual dimensions?
A: "Nominal Pipe Size" (NPS) is a North American standard size designation. It is loosely based on the inside diameter for smaller sizes but does not correspond exactly to any physical dimension. The Outside Diameter (OD) is fixed and constant for each NPS, regardless of schedule. The Inside Diameter (ID) gets smaller as the wall thickness increases.
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