Product categories: pressure vessel plates, steel plates for boilers, wear-resistant plates, low-alloy high-strength plates, alloy structural plates, steel plates for bridges, steel plates for building structures, ship plates and steel plates for pipelines.
Futures fixed rolling: thickness 12-260mm, width 1.5-4.02m, length 3.0- 18.8m, and maximum unit weight 26.5t ..
Product material:
1: pressure vessel plates: Q245R, Q345R, 16MnDR.
2. Steel plates for boilers: 20g, SA285Grc, SB4 10, 16Mng, 4 10B.
3. Wear plates: NM360, NM400, WZB-NM360A.
4. Low-alloy high-strength steel plates: WH60A, WH70B, WQ50A, Q390, Q420, Q460, Q690D,
5: Alloy structural plates 20CrMo, 30CrMo, 35CrMo, 42CrMo, 20Cr and 40Cr.
6: Bridge steel plates Q235qc, Q345qc, Q370qc, 14MnNbq.
7: Steel plates Q235GJC, Q345GJC and Q390GJC for building structure.
AH32, DH32, EH32, AH36, DH36, EH36, 2HCr50 plank
Delivery status: according to user's requirements, it can be delivered in different states, such as hot rolling, normalizing, tempering, normalizing+tempering, quenching+tempering, etc.
Quality grade: A, B, C, D, E, Z-direction performance Z 15, Z25, Z35.
The punching sheet is a steel plate containing manganese, 16 manganese is Q345 steel plate, and 65 manganese is spring steel.
16 manganese is Q345 steel plate,
Main features: Grade C, D and E steels have good comprehensive mechanical properties, good weldability, cold and hot workability, good corrosion resistance and good low-temperature toughness.
Application examples: ships, boilers, pressure vessels, oil storage tanks, bridges, power station equipment. Lifting and transportation machinery and other high-load welded structural parts.
Performance requirements of 65 manganese steel:
① high elastic limit σe and yield ratio σs/σb to ensure excellent elastic properties, that is, absorbing a large amount of elastic energy without plastic deformation;
② The fatigue limit is high, and fatigue is one of the most important failure forms of springs. The fatigue performance is mainly affected by the metallurgical quality of steel (such as nonmetallic inclusions) and the surface quality of springs (such as decarburization) besides the composition and microstructure of steel.
③ Sufficient plasticity and toughness to prevent impact fracture;
④ Other properties, such as good heat treatment and plastic processability, heat resistance or corrosion resistance under special conditions, etc.
If it is not high manganese steel, but low alloy structural steel containing manganese, steel and iron can be separated from the surface. The machined surface of 65 manganese steel cast iron is quite different from that of steel, so it is impossible to finish the cast iron. You can find graphite carbon by touching it with your hands.
The most important use of manganese is to make alloy manganese steel.
manganese
The temper of steel is very strange and interesting: if 2.5-3.5% manganese is added to steel, low manganese steel will be as brittle as glass and will break when knocked. However, if more than 13% manganese is added, high-purity manganese will be made.
Manganese steel, then it becomes hard and tough. When high manganese steel is heated to light orange, it becomes very soft and easy to process. In addition, it has no magnetism and will not be attracted by magnets. Now, manganese steel is widely used.
Manufacturing steel mills, ball bearings, buckets and other frequently worn parts of bulldozers and excavators, as well as iron-manganese-manganese rails and bridges.