ASTM A268 Specifications
ASTM A268 is a standard specification for seamless and welded ferritic and martensitic stainless steel pipes for general use. Grades include TP410, TP405, TP420, TP430, TP430Ti, TP403, TP409, TP444, TP439, and TP446.
| Standard | ASTM A268, ASME SA268 |
| Tube Type | Both Welded and Seamless |
| Application | Heat Exchanger, Heater, Condenser |
| Wall Thickness | 0.5mm to 12mm |
Frequently Asked Questions
Q1: What materials are available for the pipes?
We offer a wide range of materials including stainless steel grades 201, 304, 316, 904L, and special alloys like UNS S32750 and C276.
Q2: Can the pipe size and length be customized?
Yes, we can customize outer diameters from 9.5mm to 2000mm, thickness from 0.5mm to 20mm, and lengths up to 18.3 meters per piece.
Q3: What quality certifications do your products have?
Our tubes are certified by AD 2000-W0, PED 2014/68/EU, and ISO 9001:2015, ensuring high international quality standards.
Q4: What kind of testing is performed on the pipes?
We conduct non-destructive testing (NDT), including online eddy current inspection, hydraulic testing, and airtightness testing to ensure integrity.
Q5: How are the products packaged for shipment?
Tubes are typically packed in wooden boxes. For polished tubes, individual plastic sleeves with capped ends are used to ensure maximum cleanliness.
Q6: Are the pipes suitable for food-grade applications?
Yes, we provide sanitary tubing that meets standards like JIS G3447 and ASTM A270 specifically for the food processing and beverage industries.