321 Seamless or Welded Stainless Tube - AMS 5557

Technical Data Sheet

Chemical Composition Limits
Weight% C Mn Si P S Cr Ni Ti Mo Cu N
AMS 5557 0.08 max 2 max 0.40-1.00 0.040 max 0.030 max 17-20 8-13 0.7 max 0.75 max 0.75 max 0.10 max

Typical Mechanical Properties


Material Outside Diameter
Wall Thickness Tensile Strength ksi Yield Strength ksi Elongation %
AMS 5557 <0.188 <0.016 75-120 30 33
AMS 5557 <0.188 >0.016 75-105 30 35
AMS 5557 1.88-0.500 <0.010 75-115 30 35
AMS 5557 1.88-0.500 >0.010 75-105 30 35
AMS 5557 >0.500 >0.010 75-105 30 35

AMS 5557 Type 1 covers seamless, hydraulic tubing. AMS 5557 Type 2 covers welded hydraulic tubing. Contact Sales for further availability.

AMS 5510 Sheet / strip / plate
AMS 5557 Welded/seamless tube
AMS 5559 Welded / thin wall tube
AMS 5570 Seamless tube
AMS 5576 Welded tube
AMS 5645 Bars / wire / forging
MIL-T-8606 Seamless tube
MIL-T-8606 Welded tube
MIL-T-8808 Seamless tube
MIL-T-8808 Welded tube
ASTM A240 / ASME SA240
ASTM A167 / ASME SA167
ASTM A193 Grade B8T CL1
ASTM A276 / ASME SA276
ASTM A314 / ASME SA314
ASTM A320 Grade B8T
ASTM A479 / ASME A479
ASTM A484 / ASME SA484
AISI 321
BS 2S129
BS T67 Tube
BS S524 Sheet
BS S526 Sheet
BS 970; 321S31
WS 1.4541
UNS S32100
18.5Cr 10.5Ni 0.4Ti Hydraulic Solution Heat Treated
Alloy 30321


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Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

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