ASTM A511 MT316 Seamless Mechanical Tubing
Certification：ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
Shape：round
Technique：Cold Rolled
Surface Treatment：Sanded /Mirror/Hairline Brushed
Thickness：0.3-30mm
out Diameter：8-219mm
Length：5.8/6m or Custom
Stock：in Stock
Sample：Available
Transport Package：Standard Sea-Worthy Packing
MT316 stainless steel mechanical tubing, MT316 seamless pipe Manufacturer
If you're looking for seamless stainless steel tubing with excellent corrosion resistance, precise tolerances, and high mechanical strength, ASTM A511 MT316 stainless steel mechanical tubing is a strong candidate. As a trusted stainless steel supplier, GNEE offers MT316 tubing fully compliant with the ASTM A511 standard. We support custom lengths, tight dimensional tolerances, and surface treatments, ensuring the tubes precisely match your application requirements. Each batch is delivered with mill test certificates (EN 10204 3.1 or 3.2) to guarantee quality and traceability.
ASTM A511 MT316 tubing is manufactured through cold-finishing processes and typically supplied in the annealed condition. In this state, it provides a minimum yield strength of 205 MPa, tensile strength ≥515 MPa, and elongation ≥35%, ensuring dependable mechanical performance under pressure and load-bearing applications.
GNEE's cold-drawn MT316 tubing features tight dimensional tolerances (±0.1 mm OD), uniform wall thickness, and excellent surface finish. It is highly formable and machinable-ideal for complex parts that require bending, precision cutting, or stamping. Applications include hydraulic systems, heat exchangers, pharmaceutical machinery, aerospace components, and marine equipment. Furthermore, annealed 316 stainless steel tubing is generally non-magnetic, making it well-suited for low magnetic permeability requirements in medical and electronic applications.
tp316 steel pipe in Stock
specification
| Item | Specification |
|---|---|
| Standard | ASTM A511 / A511M |
| Grade | MT316 (UNS S31600) |
| Product Type | Seamless Mechanical Tubing |
| Manufacturing Process | Cold-finished / Cold-drawn, Annealed |
| Material Type | Austenitic Stainless Steel |
| Outer Diameter (OD) | 6 mm – 150 mm (Customizable) |
| Wall Thickness (WT) | 0.5 mm – 10 mm (Customizable) |
| Length | 1000 mm – 8000 mm (Custom lengths available) |
ASTM A511 Chemical Composition
| Grade | Carbon | P | Mn | S | Se | Ni | Columbium plus Tantalum | Si, max | Mo | Cr | Ti |
|---|---|---|---|---|---|---|---|---|---|---|---|
| max | max | max | |||||||||
| MT 316L | 0.035 maxA | 0.04 | 2 | 0.03 | … | 10.0 to 15.0 | … | 1 | 2.0 to 3.0 | 16.0 to 18.0 | … |
| MT 316 | 0.08 max | 0.04 | 2 | 0.03 | … | 11.0 to 14.0 | … | 1 | 2.0 to 3.0 | 16.0 to 18.0 | … |
ASTM A511 Stainless Steel Tube Straightness Tolerances
| Size Limits | Max Curvature in any 3 ft, in. |
Max Curvature in Total Lengths, in. | Max Curvature for Lengths under 3 ft |
|---|---|---|---|
| OD 5 in. and smaller. WT, over 3 % of OD but not over 0.5 in. | 0.03 | 0.030 3 [ (No. of feet of length)/3] | Ratio of 0.010 in./ft |
| OD over 5 in. to 8 in., incl. WT, over 4 % of OD but not over 0.75in. | 0.045 | 0.045 3 [(No. of feet of length)/3] | Ratio of 0.015 in./ft |
| OD over 8 in. to 123⁄4 , incl. WT, over 4 % of OD but not over 1 in. | 0.06 | 0.060 3 [(No. of feet of length)/3] | Ratio of 0.020 in./ft |
We primarily offer austenitic ASTM A511 MT304, 304L, 309S, 310S, 316, 316L, 321, and 347 stainless steel mechanical tubing. Outer diameters range from 1/4" to 12 3/4" and wall thicknesses from 0.02" to 1" (0.5mm to 25.4mm), making it ideal for mechanical applications requiring corrosion resistance or high-temperature performance.
Whether you need high-performance mechanical tubing for critical equipment or high-volume production supply, GNEE has the inventory and expertise to meet your needs. Email: sales@gneestainless.com
inspection
Our ASTM A511 stainless steel tubing has passed numerous international standard certifications, such as ISO 9001 quality management system certification, ISO 14001 environmental management system certification, Pressure Equipment Directive (PED) certification, and RoHS compliance certification. We also offer related certifications to enhance customer confidence.
ASTM A511 316 stainless steel tube manufacturer
high quality packaging
Packaging: Each 316 stainless steel pipe is wrapped in moisture-proof paper, lined with plastic film, and secured with steel straps. The outer layer is protected by a wooden pallet or crate to ensure safety during international transport.
Marking: Each package includes the furnace number, grade, dimensions, and standard information.
Delivery Time: Typically within 7-15 working days after receiving prepayment.
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