4" NPS Schedule 40 304 Stainless Steel Pipe, 240" length. Conforming to ASTM A312, this pipe offers 73,200 PSI tensile strength, excellent weldability, and superior corrosion resistance. Its large diameter is ideal for main water lines, industrial process piping, and structural columns where high flow rates and durability are required.
Stainless Steel Pipe 304 - Schedule (40) 4 Inch
This 4" NPS Schedule 40 pipe, crafted from Type 304 stainless steel, meets ASTM A312 standards. It provides excellent corrosion resistance and weldability, making it a reliable choice for industrial fluid transport, structural applications, and main water lines.
Specifications
| Material: |
304 Stainless Steel |
| Standards: |
ASTM A312 |
| Strength/Tensile: |
73,200 PSI |
| Dimensions: |
4" NPS, Schedule 40 Wall (0.237"), 240" Length |
| Finish: |
Mill Finish, Annealed |
| Certifications: |
MTR Available |
Type 304 stainless steel pipe is an austenitic chromium-nickel alloy valued for its combination of strength, corrosion resistance, and excellent weldability. Conforming to ASTM A312, it's suitable for a wide range of temperatures and pressures. Its smooth interior surface is ideal for sanitary applications and resists product buildup, ensuring purity in fluid and gas transport systems.
As a large diameter pipe, this 4" NPS Schedule 40 size is specified for applications requiring high flow capacity, such as main water lines, industrial process piping for chemicals and food products, and as robust structural columns or supports in corrosive environments.
Application scenarios
Industrial Processing:
Main process lines - handles high fluid volume with excellent resistance to corrosive chemicals.
Water Treatment:
Distribution mains - provides long service life and prevents water contamination.
Architectural & Structural:
Support columns & piling - combines structural integrity with a low-maintenance, corrosion-resistant finish.
Food & Beverage:
Large transfer lines - hygienic surface is easy to clean and resists organic acids.
After-sales policy
We get it-wholesalers need reliability more than anything. So here's our straight-up promise for every Astm A312 order:
First, quality guarantee: If any pipe doesn't meet Astm A312 standards-whether the dimensions are off, there's a surface blemish, or it can't stand up to corrosion-we'll replace it for free. Our defect rate's under 0.02% over the past 3 years, so this isn't just empty talk.
Second, fast delivery: We keep common sizes (25mm/50mm/80mm OD) of Astm A312 in stock year-round. Need 1000+ meters in a rush? We ship it within 48 hours. For big bulk orders (5000+ meters) or custom specs, we get 'em done in 7-10 business days-faster than most competitors who drag their feet.
Third, paperwork's a breeze: We send all the docs you need upfront-Astm A312 certification, EU CoC, MSDS, and MTRs. No chasing us for forms when you're dealing with customs or client audits-you'll have everything from day one.
Fourth, 24/7 support: Your dedicated account manager speaks English and knows Astm A312 like the back of their hand. Need help with specs, an order update, or custom cuts? They'll get back to you in an hour. We even send free 300mm samples-let your clients test the quality before you commit to a big order.
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