X4NiCrMoCuNb20-18-2,W-Nr 1.4505
Stainless Steel X4NiCrMoCuNb20-18-2,W-Nr 1.4505
Technical Data Sheet
| Chemical Composition (Weight %) | ||||||||
|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Ni | Mo | Other |
| ≤ 0.05 | ≤ 1.00 | ≤ 2.00 | ≤ 0.045 | ≤ 0.015 | 16.5 ～ 18.5 | 19.0 ～ 21.0 | 2.00 ～ 2.50 | Cu 1.80 ～ 2.20 Nb ≥ 8×C (Nb+Ta) |
X4NiCrMoCuNb20-18-2,W-Nr 1.4505 is usually produced by BEF & AOD followed by electroslag remelting (ESR) / VAR if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
X4NiCrMoCuNb20-18-2,W-Nr 1.4505 Bars are usually supplied black/bright in the annealed condition.
Mechanical Properties
| Condition of heat treatment | Tensile Rm(MPa) |
Yield Rp0.2(MPa) |
Elongation A(%) |
Reduction in cross section on fracture Z (%) |
Impact AKV/AKU(J) |
Brinell Hardness(HBW) |
|---|---|---|---|---|---|---|
| Annealed | - | - | - | - | - | - |
| Q/T | 490 ～ 740 | ≥ 225 | ≥ 40.0 | - | ≥ 120 | 130 ～ 190 |
Round bar (Diameter): 5.5 mm to 700 mm
Wire rod (Diameter): 0.10 ~ 16mm
Square bar / Flat bar: 5mm to 550mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 650mm X L (or in coil form)
Forged ring: OD200 ~ 1500mm X ID150 ~ 1250mm X H20 ~ 1250mm
Heavy/middle plate via hot rolled: T50 - 200mm X W80- 1200mm X L1000-3000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Length: Fixed length or random length or based on the customer's special requirement.
For all stock availability contact Sales.