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17-4PH Stainless Steel Bar (AMS 5643/ AMS 5622)
Technical Data Sheet
17-4PH is a martensitic, precipitation-hardening stainless steel that provides an outstanding combination of high strength and hardness along with excellent corrosion resistance. 17-4PH has good fabricating characteristics and can be age hardened by a single step, low temperature treatment. 17-4PH is a versatile material widely used in the aerospace, chemical, petrochemical, food processing, paper and general metalworking industries.
| Chemical Composition Limits | ||||||||
| Weight% | C | Si | Mn | P + S max | Cr | Ni | Cb + Ta | Cu |
| AMS 5643 | 0.07 | 1.0 max | 1.0 max | 0.04 P 0.03 S | 15.0 - 17.5 | 3.0 - 5.0 | 5 X C / 0.45 | 3.0 - 5.0 |
| AISI 630 | 0.07 | 1.0 max | 1.0 max | 0.04P 0.03 S | 15.0 - 17.5 | 3.0 -5.0 | 0.15 - 0.45 | 3.0 - 5.0 |
Typical Mechanical Properties
| Material | Condition | Ultimate Tensile Strength (ksi) | 0.2 % Yield Strength (ksi) | Elongation % in 2D | % Reduction of Area | Rockwell C Hardness |
| Alloy 17-4PH Bar AMS 5643 | Cond A | - | - | - | - | 363 HB max |
| Alloy 17-4PH Bar AMS 5643 | H900 | 190 | 170 | 10 | 40 | 388-444 |
| Alloy 17-4PH Bar AMS 5643 | H925 | 170 | 155 | 10 | 44 | 375-429 |
| Alloy 17-4PH Bar AMS 5643 | H1025 | 155 | 145 | 12 | 45 | 331-401 |
| Alloy 17-4PH Bar AMS 5643 | H1075 | 145 | 125 | 13 | 44 | 311-375 |
| Alloy 17-4PH Bar AMS 5643 | H1100 | 140 | 115 | 14 | 45 | 302-363 |
| Alloy 17-4PH Bar AMS 5643 | H1150 | 135 | 105 | 16 | 50 | 277-352 |
| Material | Condition | Ultimate Tensile Strength (ksi) | 0.2 % Yield Strength (ksi) | Elongation % in 2D (Values are for sheet <0.1874" thick) | % Reduction of Area | Rockwell C Hardness |
| Alloy 17-4PH Sheet/Plate AMS 5604 | Cond A | - | - | - | - | 38 max |
| Alloy 17-4PH Sheet/Plate AMS 5604 | H900 | 190 | 170 | 5 | - | 40-47 |
| Alloy 17-4PH Sheet/Plate AMS 5604 | H925 | 170 | 155 | 5 | - | 38-45 |
| Alloy 17-4PH Sheet/Plate AMS 5604 | H1025 | 155 | 145 | 5 | - | 35-42 |
| Alloy 17-4PH Sheet/Plate AMS 5604 | H1075 | 145 | 125 | 5 | - | 33-39 |
| Alloy 17-4PH Sheet/Plate AMS 5604 | H1100 | 140 | 115 | 5 | - | 32-38 |
| Alloy 17-4PH Sheet/Plate AMS 5604 | H1150 | 135 | 105 | 8 | - | 28-37 |
Availability
17-4PH is available in Bar (Round, Flat, Hexagon, Square), Wire, Forgings, Tube, Ring, Plate, Sheet and Strip. View Stock List, Plate Stock List or contact Sales for further availability.
Specifications
AMS 5604 Sheet, Strip and Plate
AMS 5643 and 5622 Bars (Flat, Hex, Round, Square), Wire, Forgings, Tubing and Rings
ASTM A 693 Plate, Sheet and Strip
UNS : S17400
17-4 DBLE H1150
ASTM A 564 T 630 Cond H1150D
NACE MRO175/ISO 15156-3
17-4PH Cond H 1150
ASTM A 564
17-4PH Sol
AMS 5643
ASTM A 484
AMS 5604 Sheet, Strip Cold Rolled and Plate.
AMS 5622 (Vac Melt) Bars (Flat, Hex, Round, Square), Wire, Forgings, Tubing and Rings
AMS 5642 Bar
AMS 5643 Bars (Flat, Hex, Round, Square), Wire, Forgings, Tubing and Rings
MIL-S-25043
ASTM A564 Grade 630
ASTM A484 / ASME SA484
ASTM A564 / ASME SA564
ASTM A693 / ASME SA693 Plate, Sheet and Strip
WS 1.4542
X5CrNiCuNb16-4
AFNOR Z6CNU1704
UNS S17400
