Stainless Steel 19-9DL is stocked by 3 North American distributors and produced by 5 large mills. Distributors will offer small quantity buys while mills will generally only sell large quantities, with delivery times anywhere from 10 to 50 weeks depending on size and form required
This material is stocked primarily in Wire Products by 3 distributors but is also available to a lesser extent in Flat Rolled Products, Forging Products, and Tubular Products.
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Specifications
The following specifications cover Stainless Steel 19-9DL
- AISI 651
- AMS 5526
- AMS 5579
- ASTM A453 (651)
- ASTM A457 (651)
- ASTM A458 (651)
- ASTM A477 (651)
- UNS S63198
Property Results
Related Metals:
- Carpenter 19-9 DL(tm)
- Uniloy 19-9 DL(tm)
Chemistry Data : [top]
Carbon
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0.28 - 0.55 |
Chromium
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18 - 20 |
Iron
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Balance |
Manganese
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1.5 - 0.75 |
Molybdenum
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1 - 1.75 |
Nickel
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8 - 11 |
Niobium+Tantalum
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0.25 - 0.6 |
Silicon
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0.3 - 0.8 |
Titanium
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0.5 max |
Tungsten
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1 - 1.75 |
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Principal Design Features
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This alloy is primarily an austenitic stainless steel which combines fine grain and stability in a wide range of temperatures with good resistance to both corrosion and brittle failure.
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Applications
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Applications include a wide variety of jet engine components including casings, manifolds, buckets and fasteners. Generally employed in applications where resistance to intergranular corrosion is not a great concern.
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Machinability
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Experienced machinists compare the characteristics of this material to those of 316 stainless. Constant feeds, slow speeds and ample sulphurized lubricants are necessary for optimum results. The material will produce tough, "gummy" chips. The use of chip breakers or curlers will effectively deal with this problem.
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Welding
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This alloy can be successfully welded using all commonly employed techniques. When required, filler metal should be of matching chemistry for optimum performance.
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Heat Treatment
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This alloy is austenitic and will not respond to heat treatment.
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Forging
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Soak thoroughly at 2150 F prior to working, air cool forgings. Given sufficient hammer strength, this material can be forged down to 1250 F.
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Hot Working
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This material can be successfully forged, headed and upset.
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Cold Working
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This alloy can be successfully formed using most common practices. If severe forming is employed the material should be stress relief annealed immediately after forming at 1200-1300 F.
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Annealing
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Soak at 1800-2150 F, air cool. For stress relieving, heat to 1200 F (649 C), hold for 60 minutes and air cool.
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Hardening
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This material will not respond to hardening by thermal treatment.
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Physical Data : [top]
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Density (lb / cu. in.)
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0.29
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Specific Gravity
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7.9
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Specific Heat (Btu/lb/Deg F - [32-212 Deg F])
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0.11
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Modulus of Elasticity Tension
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29.5
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Mechanical Data : [top]
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MSO currently has no data available for this grade.
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Videos :
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MSO currently has no videos available for this grade.
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Disclaimer
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