Hebei Qijie Wire Mesh MFG Co., Ltd
Hebei Qijie Wire Mesh MFG Co., Ltd
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Punch Plate Mesh is the primary screening material in crushed rock. Also used for scalping screening. They will endure rough, heavy screening and thus last longer than most other screening. Products is demanding environment.Technical Requirements & Additional Services for NM300 Abrasion Steel Plate:
♦ High tension test
♦ Low temperature impacting test
♦ Normalised/Quenched and Tempered
♦ Hardness Value Test
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands
Mechnical property for NM300 Abrasion resistance steel plate:
| Tensile strength (≥Mpa) | -20℃ impacting test absorbed energy (Longi.J) | Elongation in ≥,% | HBW |
| 1000 | ≥24 | 50mm | 270-330 |
| 14 |
►Chemical composition for NM300 Abrasion resistance steel plate (Heat Analysis Max%)
| Main chemical elements composition of NM300 steel plate | ||||||
| C | Si | Mn | P | S | Cr | |
| 0.23 | 0.70 | 1.60 | 0.025 | 0.015 | 0.70 | |
| Mo | Ti | B total | Als (min) | Ni | ||
| 0.40 | 0.050 | 0.0005-0.006 | 0.010 | 0.50 | ||
Material:
We can offer a wide range of punch plate, either punched or plasma profiled in mild steel and stainless steel.
Edge Types:
seamless welded with 45/60degree folded mild steel plate or stainless steel plate
Perforated Revolving Screens - Standards
Quantity - State the number of screen sections required (see illustration above).
Thickness - Specify in inches or gage number.
Steel - U.S. Std. Ga. Table Revised 11/42.
Monel - U.S. Std. Ga. Table
Stainless Steel - U.S. Std. Ga. Table
Brass, Muntz, Aluminum - B&S Ga. Table
Metal Type - State the kind of metal required. Steel plate: a minimum of .20 C and a minimum of .40 Mn shall be used. Abrasion resisting (AR) steel plate: a min. of .35 C and a min. of 1.20 Mn.
Diameter - Specify the exact outside diameter or the exact inside diameter of the Perforated Screen Section in inches.
Length - Specify the length of the screen section (see illustration above). Tolerance of the length of the screen: plus 0" minus 1/4".
Perforated Size & Shape - See Page 4 for perforations that are available.
Arrangements of Perforations - Staggered arrangement (600 pattern) is standard for Perforated Screen Plate when used on revolving screens.
Bars - The "bar" is the metal between perforations and is measured at the point where perforations are closest. Specify the width of the bar.
Segments - Specify the number of segments to each section. (See illustrations above).
Method of Assembling Perforated Screen Plate Segments to Make Sections and/or Cylinders
Butt Joints - Not Fastened.
Butt Joints - Standard Clips.
Butt Joints - Standard Straps.
Lap Joints -The std. lap joint is 11/2" to 2" (minimum lap 11/2").
Other Information - If bolt holes for mounting to frame or specific margins are required, submit a sketch.
If slotted perforations are required and the arrangement of slots is important, indicate whether the long dimension of the slots is parallel to the length of the screen section or is parallel to the circumference of the screen section.