JINBAICHENG Metal Materials Co., Ltd

Quality Inspection for Stainless Round Bar - Factory Supply High Purity Alloy Plate – JINBAICHENG

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Now we have highly developed devices. Our items are exported towards the USA, the UK and so on, enjoying a great popularity among the customers for Galvanized Steel Sheet Roll , 420 Stainless Steel Plate , Stainless Steel Welded Pipe , We are able to do your tailored get to fulfill your own satisfactory! Our organization sets up several departments, including manufacturing department, sales department, high quality control department and sevice center, etc.
Quality Inspection for Stainless Round Bar - Factory Supply High Purity Alloy Plate – JINBAICHENG Detail:

Structural components

Brand C Si Mn P S V Nb Al Ti
Q345A ≤0.20 ≤0.55 1.00-1.60 ≤0.045 ≤0.045 0.02-0.15 0.015-0.060   0.02-0.20
Q345B ≤0.20 ≤0.55 1.00-1.60 ≤0.040 ≤0.040 0.02-0.15 0.015-0.060   0.02-0.20
Q345C ≤0.20 ≤0.55 1.00-1.60 ≤0.035 ≤0.035 0.02-0.15 0.015-0.060 ≥0.015 0.02-0.20
Q345D ≤0.18 ≤0.55 1.00-1.60 ≤0.030 ≤0.030 0.02-0.15 0.015-0.060 ≥0.015 0.02-0.20

Product Display

Alloy plate2
Alloy plate3
Alloy plate

Physical Properties

Brand Mechanical properties
12Mn2A Thickness ≤ 4mm steel plate Thickness >4mm steel plate Brinell hardness HBW No greater than
  Tensile strength Rm N/m ㎡ Elongation after break A11.3% Not less than Tensile strength Rm N/m ㎡  Elongation after break A11.3% Not less than
12Mn2A 390-570 22 390-570 23 —-
45Mn2A 590-835 12 590-835 13 - -
20CrA 390-590 18 390-590 20  
38CrA 540-735 16 540-735 18 —-
40CrA 540-735 14 540-730 16
20CrMnSiA 490-685 18 490-685 21
25CrMnSiA 570-720 18 570-720 20 229
30CrMnSiA 540-735 16 540-735 19 229
35CrMnSiA 590-785 14 590-785 16 -
18CrMn2MoBA 440-640 20 440-640 22 217
30CrSiMoVA QQ709023242 - - - 217

Typical applications

According to the professional use, there are plates for oil drums, enamel plates, bullet-proof plates, etc.; according to the surface coating layer, there are galvanized thin plates, tin-plated thin plates, lead-plated thin plates, plastic composite steel plates, etc.

Main products

1. Classification by thickness: (1) thin plate; (2) medium plate; (3) thick plate; (4) extra thick plate.

2. Classification by production method: (1) hot-rolled steel sheet; (2) cold-rolled steel sheet.

3. Classification by surface characteristics: (1) galvanized sheet (hot dip galvanized sheet, electro galvanized sheet); (2) tin-plated sheet; (3) composite steel sheet; (4) color coated steel sheet.

4. Classification by application: (1) Bridge steel plate; (2) Boiler steel plate; (3) Shipbuilding steel plate; (4) Armor steel plate; (5) Automobile steel plate; (6) Roofing steel plate; (7) Structural steel plate; (8) Electrical steel plate (silicon steel sheet); (9) Spring steel plate; (10) Other common Japanese grades of steel plates for general and mechanical structures.


Product detail pictures:

Quality Inspection for Stainless Round Bar - Factory Supply High Purity Alloy Plate – JINBAICHENG detail pictures

Quality Inspection for Stainless Round Bar - Factory Supply High Purity Alloy Plate – JINBAICHENG detail pictures

Quality Inspection for Stainless Round Bar - Factory Supply High Purity Alloy Plate – JINBAICHENG detail pictures


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Our commission would be to serve our customers and clientele with very best excellent and aggressive portable digital products for Quality Inspection for Stainless Round Bar - Factory Supply High Purity Alloy Plate – JINBAICHENG , The product will supply to all over the world, such as: Guatemala, Puerto Rico, Sevilla, Our company now has many department, and there have more than 20 employees in our company. We set up sales shop, show room, and product warehouse. In the meantime, we registered our own brand. We have tightened inspection for quality of product.
  • Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
    5 Stars By lucia from Karachi - 2017.04.08 14:55
    The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
    5 Stars By Lee from Denmark - 2018.06.21 17:11
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