347 stainless steel tubing aerospace

347 Stainless Steel Tubing



Product Description

347 Stainless Steel Tubing

347 Stainless Steel Tubing

Aerpspace 347 stainless steel tubing is made from an austenitic stainless steel offering an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500° F (427 to 816°C). Alloy 347 alloyed with columbian-tantalum (also referred to as niobium) allowing good mechanical properties at high temperatures.

Applications of 347 Stainless Steel Tubing:

Stock Size Range:

OD:
.031″- 3.00″
Walls:
.020″- .156″

Tempers: Annealed

Specifications: MI-L-T 8808, MIL-T-8606, AMS 5556, AMS 5571

Typical Chemical Composition %
Weight % Ni Cr Mn C Si S P Cu Mo Cb
Minimum 9.0 17.0
Maximum 12.0 19.0 2.00 .080 1.00 .030 .040 .50 .50 1.10
Typical Mechanical Properties of 347 stainless steel tubing
Nominal OD Nominal Wall Ultimate KSI Yield KSI Elongation
.188 and less .016 and less 75-120 max 35%
75-105 max 30 min
Over .016 35%
Over .188 .010 and 75-115 max 30 min 35%
Thru .500 Less
incl Over .010 75-105 max 35%
Over .500 All 75-100 max 30 min 35%