Ympress Plate

Description
Ympress is the brand name for the series of hot-rolled High-Strength Low-Alloy steel produced by TMCP (Thermal Mechanical Control Process). Through customer focus the Ympress range has been continuously improved and widened to match the increasing requirements of our customers. Ympress delivers high strength steel with consistent properties, excellent surface quality and high formability. To ensure an optimum match with standards, all grades have been designed to meet or exceed specifications conform EN 10149.

Ympress offer a wide range of strength levels between S315MC up to S700MC and a broad dimensional range with gauges between 1.5 and 20 mm and widths up to 2070 mm. Because of the wide dimensional range and the number of strength levels included in the Ympress brand, Ympress can be used for many applications ranging from construction profiles to crane booms.

Chemical Composition

C Mn Si P S Altot Nb V Ti Mo
Guaranteed ≤ 0.08 ≤ 1.90 ≤ 0.15 0.003 ≤ 0.05 ≤ 0.015 ≤ 0.09 ≤ 0.01 ≤ 0.15 ≤ 0.02
Typical CEV 0.35
Typical Pcm 0.16 (Japanese welding society standard)

Mechanical Properties

Thickness ReH in MPa Rm in MPa A80 in % Adp5 in %
Typical 2 – 3 mm 825 840 13
4 – 8 mm 800 845 19
8 – 10 mm 750 825 18
Guaranteed ≥ 690 750 – 950 ≥ 12 ≥ 14
Bend 0.5t for thickness ≤ 3mm
1t for thickness ≤ 6mm
1.5t for thickness > 6mm

Ympress Benefits

The consistency in chemical composition and production conditions provide the basis for the consistency in product properties of Ympress. Through its properties Ympress contributes to an optimum and efficient processing and high quality finished products.

  • Formability:
    The precise control of the sulphur content prevents the formation of MnS particles resulting in improved bending characteristics for Ympress. Even the use of a very small bending radius (0t) is possible for many strength levels. The guaranteed elongation levels are leading in the European industry.
  • Consistency:
    Ympress’ consistent properties and narrow gauge control ensure the same bending behaviour from sheet to sheet and from coil to coil. This reduces the intermediate setup times for tooling and increases efficiency.
  • Welding:
    The guaranteed low carbon equivalent allows Ympress to be welded trouble free with the commonly used welding methods. Pre- or post heating of the steel is therefore not necessary.
  • Galvanising:
    Most Ympress can directly be galvanised, the very low silicon content prevents the formation of surface defects by the Sandelin effect. For the highest strength levels E690TM and S700MC it is recommended to test the galvanising conditions first.
  • Laser cutting:
    For the optimisation of your laser cutting process we recommend the use of Ympress Laser. Ympress Laser is a superior product because of the low tensions in the material, the low silicon content and the extra high surface quality.
  • High surface quality:
    The low silicon content of all Ympress grades avoids the formation of so called ‘tiger stripes’ . The high quality surface can lead to fewer processing steps during manufacture.

Fabrication

The low carbon equivalent of Ympress makes it readily weldable and permits the use of high welding speeds. There is no need for pre-or post-welding treatment.

Adjacent to the weld a narrow Heat Affected Zone (HAZ) with a slightly decreased hardness is produced, however, with standard welding techniques this has no practical significance.

Tensile tests taken transverse to the weld show the same tensile strength as the parent material.

Stress relieving should be done in temperature ranges of 980° – 1080° F. Heating above this range reduces strength and should be avoided.

Application

Ympress combines high strength with excellent formability and weldability. It is used in applications such :

• Earth Moving Vehicles
• Large Cranes / Mobile Cranes
• Telescopic Booms

In these applications the high strength of steel is used to save weight and increase the load bearing capacity.

Product Wear Plates:

Harga AISI 1045 Steel

AISI 1045 Steel Roundbar

Characteristic
AISI 1045 Steel is a medium strength steel. Suitable for shafts studs, keys etc. Available as rolled or normalised. Supplied as square bar, or round bar or flat. They are excelling in weldability & machinability , and they can be subjected to various heat treatments. Based on JIS G 4051-2009
AISI 1045 Steel Standard and Grade: JIS S45C DIN1.1151 is typical for flame hardening, and can produce a surface hardness of 500 BHN to a depth of 0.10 in this applies particularly to shafts and gears

Availability
Round bar, Flat

Size

Round Bar: Φ 3.2 – 400mm

Flat: 10 – 90 mm & 205 – 305mm or

Mechanical Properties
* Density (kg/m3) 7700-8030
* Young’s Modulus (GPa) 190-210
* Tensile Strength (Mpa) 569 (Standard) 686 (Quenching, Tempering)
* Yield Strength (Mpa) 343 (Standard) 490 (Quenching, Tempering)
* Poisson’s ratio 0.27-0.30

Hardness
Brinell Hardness (HB) 160-220 (Annealed)

Equivalents
DIN Equivalents for JIS S45C
C45, CK45, CF45, CQ45

ASTM Equivalents for JIS S45C
ASTM A29 , ASTM A510 , ASTM A519 , ASTM A576 , ASTM A682

SAE Equivalents for JIS S45C
SAE J403 , SAE J412 , SAE J414

AISI Equivalents for JIS S45C
AISI 1045, AISI 1046

EN Equivalents for JIS S45C
EN-8 / BS 970 080M40,Thyssen 1191, ASSAB 760

Chemical Composition

C Si Mn P S
0.42–0.48 0.15–0.35 0.6–0.9 0.030 Max 0.035 Max

Heat Treatment
The following temperature ranges are applicable for the respective heat treatment operations.
Full Annealing 800 – 850°C
Normalising 840 – 880°C
Hardening 820 – 860°C
Quenching medium Water or Oil
Tempering 550 – 660°C

Melting Point
Melting point: 1520 Degree Celsius

Applications

Standard punch head, special punch head and thread rolling tool requiring high precision, long service and abrasion resistance. Various machining tools, e. G. Lathe bit, milling cutter, drill bit, screw tap, round saw and other metal machining tools and wood machining tools. Also suitable for manufacture of forming tools, e. G. Cold extrusion head, extrusion die, punch dies of long service life, and plastic molds of high precision and long service life.

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