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1.4542 Forgings, Plate, Round bars

EN 1.4542 is A Precipitation Hardening Martensitic Stainless steel with an addition of Nb/Cu elements. Grade 1.4542 Combines High Strength, hardness (up to HRC40), and corrosion resistance.
Product parameters
Terms of Price:: Ex works, CIF, CFR
Stocklist & Inventory Available:: Diameter 10 ~ 240mm
Melting Process Route:: EAF + VD + LF / BEF + ESR / VAR
Min. order quantity Per Batch:: 200 KG
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
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Description

Introduction:
1.4542 is a corrosion resistant grade which is soft and ductile in the solution annealed condition. Medium to high strength, good toughness and strength is obtained by the appropriate ageing treatment. As a martensitic precipitation hardening stainless it is characterised by high tensile strength and high yield strength obtained by solution annealing, followed by a single or double low temperature age hardening treatment. 1.4542 has corrosive properties comparable to 304 austenitic stainless steel in many environments.
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.
Bars are usually supplied black/bright in the annealed condition.


Applications:
Commonly used in industries such as offshore, marine, food, paper mills, oil field and aerospace. 1.4542 is used for components such as fasteners, couplings, screws, bushings, studs, fittings, valve stems, roller, wear rings.

 
Technical Standard: DIN EN 10088-1
 
All Grades Comparison
DIN ASTM AISI UNS JIS Other
1.4542
X5CrNiCuNb16-4
Grade 630 630 S17400 SUS 630 17-4PH
AMS 5643
AMS 5622
Z6CNU17-04
10705GU-GV
 

Chemical Composition (Weight %)
C Si Mn P S Cr Ni Mo Other
≤ 0.07 ≤ 1.00 ≤ 1.00 ≤ 0.040 ≤ 0.030 15.0 ~ 17.0 3.00 ~ 5.00 - Cu 3.00 ~ 5.00
Nb+Ta 0.15 ~ 0.45


Mechanical Properties Under Room Temperature
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 ≤ 1034 ≤ 650 6.0 ~ 15.0 30.0 ~ 60.0 - ≤ 363
H900 ≥ 1380 ≥ 1275 ≥ 14.0 ≥ 50.0 ≥ 20 ≤ 420
H925 ≥ 1310 ≥ 1200 ≥ 14.0 ≥ 54.0  ≥ 34 ≤ 409
H1025 ≥ 1170 ≥ 1140 ≥ 15.0 ≥ 56.0 ≥ 47  ≤ 352
H1075 ≥ 1140 ≥ 1035 ≥ 16.0 ≥ 58.0 ≥ 61  ≤ 341
H1100 ≥ 1035 ≥ 930 ≥ 17.0 ≥ 58.0 ≥ 61 ≤ 332
H1150 ≥ 1000 ≥ 860 ≥ 19.0 ≥ 60.0 ≥ 68 ≤ 311
H1150+H1150 ≥ 965 ≥ 760 ≥ 20.0 ≥ 60.0 ≥ 108 ≤ 302
H1150M ≥ 860 ≥ 585 ≥ 22.0 ≥ 68.0 ≥ 135 ≤ 277


Shapes and Dimensions Available
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. 

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