Stainless Steel Flange ANSI/ASME
►Product Description
Stainless Steel Flange is a core connecting component for American industrial piping systems, engineered to securely join pipes, valves, pumps and equipment. Crafted from premium 304 and 316L stainless steel—with 316L featuring enhanced molybdenum content for superior chloride corrosion resistance—it is perfectly suited for the Americas' diverse operating environments, including oil & gas (Gulf of Mexico offshore), chemical processing, food & beverage (compliant with FDA standards), water treatment, and renewable energy (solar & wind power generation).
The key advantages of our Stainless Steel Flange lie in its strict compliance with American standards and superior material performance. Manufactured to ANSI/ASME B16.5, ASTM A182 standards, it ensures perfect compatibility with American piping components, eliminating cross-standard fitting issues. The high-strength stainless steel maintains stable performance under high pressure (Class series: Class 150, 300, 600) and temperature conditions, minimizing leakage risks and ensuring long-term operational safety. Available in American-preferred types (weld neck, slip on, blind, threaded), it meets diverse needs from small commercial facilities to large-scale industrial infrastructure across North and South America.
All our flanges adhere to stringent American quality and safety norms, with each unit undergoing rigorous testing to meet FDA, API and other relevant industrial requirements. The finely processed surface ensures optimal sealing performance when paired with American-standard gaskets, further enhancing piping system tightness. We offer a comprehensive range of Class-rated and ANSI-standard specifications (Class 150, 300, 600, etc.) and diameters, fully customizable to meet the specific needs of different American industries and projects.
Strict quality control is implemented throughout the entire production process, from high-quality stainless steel raw material selection to forging, machining, surface treatment and final inspection. As an experienced partner for American clients, we provide competitive pricing, timely delivery (optimized for North and South American logistics networks), and professional technical support tailored to American industry regulations. Our after-sales service complies with relevant American consumer protection standards, ensuring a worry-free cooperation experience.
Whether for new industrial piping construction, maintenance or upgrade projects in the Americas, our American-standard Stainless Steel Flange is a reliable choice for secure and durable connections. Choose us as your trusted partner to get premium, compliant stainless steel flanges that meet American market demands.
►Product Size
| DN |
Pipe OD |
Connection Size |
Flange Thickness(mm) C |
Flagne ID |
| A |
B |
Flange OD |
Bolt Hole Circle Diameter |
A |
B |
| 10 |
17.2 |
14 |
90 |
60 |
14 |
18 |
15 |
| 15 |
21.3 |
18 |
95 |
65 |
14 |
22.5 |
19 |
| 20 |
26.9 |
25 |
105 |
75 |
16 |
27.5 |
26 |
| 25 |
33.7 |
32 |
115 |
85 |
16 |
34.5 |
33 |
| 32 |
42.4 |
38 |
140 |
100 |
18 |
43.5 |
39 |
| 40 |
48.3 |
45 |
150 |
110 |
18 |
49.5 |
46 |
| 50 |
60.3 |
57 |
165 |
125 |
19 |
61.5 |
59 |
| 65 |
76.1 |
76 |
185 |
145 |
20 |
77.5 |
78 |
| 80 |
88.9 |
89 |
200 |
160 |
20 |
90.5 |
91 |
| 100 |
114.3 |
108 |
220 |
180 |
22 |
116 |
110 |
| 125 |
139.7 |
133 |
250 |
210 |
22 |
143.5 |
135 |
| 150 |
168.3 |
159 |
285 |
240 |
24 |
170.5 |
161 |
| 200 |
219.1 |
219 |
340 |
295 |
24 |
221.5 |
222 |
| 250 |
273 |
273 |
395 |
350 |
26 |
276.5 |
276 |
| 300 |
323.9 |
325 |
445 |
400 |
26 |
328 |
328 |
| 350 |
355.6 |
377 |
505 |
460 |
28 |
360 |
381 |
| 400 |
406.4 |
426 |
565 |
515 |
32 |
411 |
430 |
| 450 |
457 |
480 |
615 |
565 |
36 |
462 |
485 |
| 500 |
508 |
530 |
670 |
620 |
38 |
513.5 |
535 |
| 600 |
610 |
630 |
780 |
725 |
42 |
616.5 |
636 |
►Shot Shoot
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►FAQ
Q1: Delivery time?
A: 1- 7 days for small order.10- 20 days for big order.
Q2: Are you manufacturer or trading company?
A: We are not only manufacturer but also a trading company,we have more than 12years export experience.
Q3: What is your minimum order quantity?
A: The MOQ for each product is different, so it would be recommended to refer to the detail page of the product you are interested in. If you need further clarification, send me the product link, and I will reply as soon as possible.
Q4: Do you provide samples ? Is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q5: How long is your production lead time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.