Stainless Steel - UNS S17400 / Grade 17-4PH
S17400 ( Grade 17-4PH) is a precipitation-hardenable (PH) martensitic stainless steel that delivers an excellent combination of oxidation and corrosion resistance, widely used in many industrial field.
| Product parameters | |
| Material category:: | Martensitic PH Stainless Steel |
| Material technical standards:: | ASTM A276, ASTM A693, ASTM A705 |
| Place of origin:: | P.R. China |
| Terms of price:: | Ex works, CIF, and CFR |
| Stock & Inventory available:: | Diameter 5.5 ~ 300mm |
| Melting process way:: | EAF + VD + LF / BEF + ESR / VAR |
| Min. order quantity:: | 1000 KG |
| Product shapes:: | Round bar, Flat bar, Hollow bar, Plate, and Forgings. |
| Heat treatment practice:: | Solution annealed 1050 ℃, water, oil or air cooled, aged 480 ~ 620 ℃, air cooled |
| Ultrasonic test standard:: | ASTM E2375 / MIL-STD- AMS 2154 / SEP 1923 / GB/T 4162 / EN 10228-3 / EN 10308 |
| Production lead time:: | Within 10 days after 30% deposit prepayable |
| Unified social credit code:: | 91510871777942750J |
| Company ISO register No.:: | UQ211218R0 |
Description
| C (%) | ≤ 0.07 |
| Si(%) | ≤ 1.00 |
| Mn(%) | ≤ 1.00 |
| P(%) | ≤ 0.040 |
| S (%) | ≤ 0.030 |
| Cr (%) | 15.0 ~ 17.5 |
| Ni (%) | 3.00 ~ 5.00 |
| Mo(%) | - |
| Other (%) | Nb 0.15 ~ 0.45 Cu 3.00 ~ 5.00 |
| Condition of heat treatment | - |
| Tensile Rm (MPa) | 1070 |
| Yield Rp0.2 (MPa) | 1000 |
| Elongation A (%) | 12 |
| Reduction in cross section on fracture Z (%) | 45 |
| Impact AKV/AKU (J) | - |
| Brinell Hardness (HBW) | - |
| Forms and Dimensions Available Round bar (Diameter): 5.50 ~ 650mm Square bar / Flat bar: 3 ~ 650mm Wire rod (Diameter): 0.10 ~ 16mm Steel strip via cold rolled: T0.1 - 3mm X W5 - 650mm X L (or in coil form) Forging piece: Different shapes based on OEM |












