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17 - 7PH tube
Introduction:
17-7 PH Stainless Steel (SS) is a precipitation hardening martensitic stainless steel. Typical usage is seen in applications requiring high strength and a modest level of corrosion resistance. Strength and toughness desired can be manipulated by temperate range in the heat treatment process. TP INOX offers high quality standards including: UNS S17400, AMS 5643, ASTM A564, and ASTM A693 Grade 630.
17-7 PH stainless steel can be used for a variety of industires including: pump shafts, oil path, mechanical seals, and within the aerospace industry. Its composition is carbon, chromium, columbian + tantalum, copper, manganese, nickel, phosphorous, silicon, and sulfur.
Specifications:
AMS 5604, AMS 5643, AMS 5825
ASME SA 564, ASME SA 693, ASME SA 705, ASME Type 630
ASTM A 564, ASTM A 693, ASTM A 705, ASTM Type 630
EN 1.4548
ISO 15156-3
NACE MR0175, S17400
UNS S17400
W. Nr./EN 1.4548
Werkstoff 1.4548
Chemisty
| Name | NI | Cr | Mo | Mn | Cu | Si | C | Cb+Ta | S |
| MIN | 3.0 | 15.0 | - | - | 3.0 | - | - | 5×C | - |
| MAX | 5.0 | 17.5 | 0.5 | 1.0 | 5.0 | 1.0 | 0.07 | 0.45 | 0.03* |
Note: P 0.04*MAX. Fe .Balance *0.025max.
High tensile strength and hardness to 600°F
Corrosion resistant
Excellent oxidation resistance to about 1100°F
Creep-rupture strength to 900°F
