Both of “seamless and welded stainless steel tubing are subjective to A269-2010 standard which is edited by American Society of Test and Material -ASTM. Such as our most popular products 304,316,304L,316L are austenitic mainly used on high corrosion resistance and high temperature and pressure service. For L added after designation, it means low carbon than normal which can have superior characteristics than high carbon grade.

A269-2010 Standard covers grades of nominal wall thickness, tolerance for outside diameter, Chemical components and mechanical propensities. Since this specification is applied for general service, for stainless steel tubing smaller than 1/8 inch or 3.2mm, in inside diameter or 0.015 inch. in wall thickness aspects, It is not covered. tp310 stainless steel seamless tube

According to A269 Standard, following information should be submitted clear on order by Buyer.
1.Quantity including feet, meters, number of lengths.
2.Name of material: seamless or welded tubes.
3.Sizes including outside or inside diameter, wall thickness.
4.For the length should be specified if fixed or random.
5.Optional requirement, it should be negotiation by mutual parties. Including heat treatment,hydro static nondestructive electric test.

Jaway Steel Corporation as a professional Stainless Steel Series products producer and exporter, we can custom-made a variety of range of pipe and tubes, besides A269 Standard, DIN, JIS and AISI are also available for us. For any demand of SS pipe, bar, plate, wire,welcome to inquiry us freely.