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

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

Specifications
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-S-6721
MIL-T-8606 Seamless tube
MIL-T-8606 Welded tube
MIL-T-8808 Seamless tube
MIL-T-8808 Welded tube
QQ-S-766
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
EN58B
WS 1.4541
Z10CnNb18-11
UNS S32100
18.5Cr 10.5Ni 0.4Ti Hydraulic Solution Heat Treated
Alloy 30321

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Disclaimer
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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