JINBAICHENG Metal Materials Co., Ltd

Factory directly Hot Rolled Steel Coil - Factory Supply High Purity Alloy Plate – JINBAICHENG

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During the past few years, our business absorbed and digested state-of-the-art technologies the two at home and abroad. Meanwhile, our firm staffs a group of experts devoted to your development of Copper Strip , Stainless Steel Angle , 316l Stainless Steel Coil Plate , Adhering to the business enterprise philosophy of 'customer first, forge ahead', we sincerely welcome consumers from at your home and abroad to cooperate with us provide you greatest services!
Factory directly Hot Rolled Steel Coil - 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:

Factory directly Hot Rolled Steel Coil - Factory Supply High Purity Alloy Plate – JINBAICHENG detail pictures

Factory directly Hot Rolled Steel Coil - Factory Supply High Purity Alloy Plate – JINBAICHENG detail pictures

Factory directly Hot Rolled Steel Coil - Factory Supply High Purity Alloy Plate – JINBAICHENG detail pictures


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No matter new consumer or outdated shopper, We believe in lengthy expression and trusted relationship for Factory directly Hot Rolled Steel Coil - Factory Supply High Purity Alloy Plate – JINBAICHENG , The product will supply to all over the world, such as: Mexico, Belarus, Sheffield, With more and more Chinese products around the world, our international business is developing rapidly and economic indicators big increase year by year. We have enough confidence to offer you both better products and service, because we are more and more powerful, professional and experience in domestic and international.
  • Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By Letitia from Ireland - 2018.12.30 10:21
    The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Chloe from Argentina - 2017.09.29 11:19
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