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UNS T20819 / H19 Hot Work Tool Steel

Product parameters
Material Technical Standards:: ASTM A681 - 2004
Place of Origin: P. R. China
Terms of Price:: Ex works, CIF, and CFR
Min. order quantity Per Batch:: 3300 KG
Product Shapes:: Round bar, Flat bar, Plate
Surface Condition:: Peeled - Rough turned - Shot blasted - Bright surface.
Ultrasonic Test Standard:: ASTM E2375 / MIL-STD- AMS 2154 / SEP 1923 / GB/T 4162 / EN 10228-3 / EN 10308.
Standard Export Packing Way:: Wooden box, wooden Pallet / tray with free from fumigation.
Production Lead Time:: Within 75 days after 40% downpayment.
Unified Social Credit Code:: 91510871777942750J
Company ISO Register No:: UQ211218R0
INQUIRY
Description

The alloy 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.
Bars are usually supplied black/bright in the annealed condition.

Main Chemical Composition (Mass weight %)
C (%) 0.32 ~ 0.45
Si(%) 0.20 ~ 0.50
Mn(%) 0.20 ~ 0.50
P(%) ≤ 0.030
S (%) ≤ 0.030
Cr (%) 4.00 ~ 4.75
Ni (%) -
Mo(%) 0.30 ~ 0.55
Other (%) W 3.75 ~ 4.50
​​​​​​V 1.75 ~ 2.20
Co 4.00 ~ 4.50
Mechanical Properties At room Temp.
Condition of heat treatment annealing
Tensile Rm (MPa) -
Yield Rp0.2 (MPa) -
Elongation A (%) -
Reduction in cross section on fracture Z (%) -
Impact AKV/AKU (J) -
Brinell Hardness (HBW) 241  max
Products Forms and Dimensoins:
Round bar (Diameter): 5.50 ~ 450mm
Square bar / Flat bar: 10 ~ 600mm
Wire rod (Diameter): 1.0 ~ 12mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 650mm X L (or in coil form)
Forging piece: Different shapes based on OEM

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