AMS 5513 / AMS 5511Aircraft Steel

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Data Sheet:

Corrosion Resisting Alloy AMS 5513 / 5511

Chemical Composition Limits
Weight %	C	Si	Mn	P + S max	Cr	Ni	N	Fe
AMS 5511 304L	0.03 max	0.75 max	2.0 max	0.045 P 0.03 S	18.0 / 20.0	8.0 / 12.0	0.1 max	Bal
AMS 5513 304	0.08 max	0.75 max	2.0 max	0.045 P 0.03 S	18.0 / 20.0	8.0 / 12.0	0.1 max	Bal

AMS 5513 / AMS 5511 304 / 304L Sheet, Strip and Plate Cold Rolled

AVAILABILITY

304 is available in Sheet, Strip, Plate, Tube, Bar (Round), Rod, Rings, Forgings. 304 Foil (Shim) is available in various thicknesses. View stock list for further information. Foil Stock List, Sheet Stock List., Plate Stock List.

SPECIFICATIONS Types 304 Stainless Steels and 304L Stainless Steel are covered by the following specifications:

Type 304 AMS 5513 Sheet, Strip and Plate

Type 304L AMS 5511 Sheet, Strip and Plate

Type 304 AMS 5501 Sheet, Strip and Foil

Type 304 AMS 5560 Seamless Tubing

Type 304 AMS 5564 Tubing

Type 304 AMS 5565 Welded Tubing : MIL-T-8506

Type 304 AMS 5566 Seamless or Welded Hydraulic Tubing : MIL-T-6845

Type 304 AMS 5567 Seamless or Welded Tubing : MIL-T-8504

Type 304 AMS 5575 Welded Tubing : MIL-T-6737

Type 304 AMS 5639 Bars, Wire, Forgings and Rings

Type 304L AMS 5647 Bars, Wire, Forgings and Rings

Type 304 L Vac Melt (AMS 5647, QQ-S-763, ASME SA 479, ASTM A 276, ASTM A 479, ASTM A 484)

Type 304 is a variation of the basic 18-8 grade, Type 304, with a higher chromium and lower carbon content. Lower carbon minimizes chromium carbide precipitation due to welding and its susceptibility to intergranular corrosion. In many instances, it can be used in the ”as-welded“ condition, while Type 304 must be annealed in order to retain adequate corrosion resistance.

Type 304L is an extra low-carbon variation of Type 304 with a 0.03% maximum carbon content that eliminates carbide precipitation due to welding. As a result, this alloy can be used in the ”as-welded“ condition, even in severe corrosive conditions. It often eliminates the necessity of annealing weldments except for applications specifying stress relief. It has slightly lower mechanical properties than Type 304.

TYPICAL MECHANICAL PROPERTIES Typical Room Temperature Properties

ALLOY	Ultimate Tensile Str		0.2% Offset Yield Strength		Elongation % in 2" (50.8mm)	Hardness Rockwell
ALLOY	ksi	MPa	ksi	MPa	Elongation % in 2" (50.8mm)	Hardness Rockwell
304L	85	586	35	241	55	B80
304	90	621	40	290	55	B82

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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