55Mn high-quality carbon structural steel implementation standard and delivery status

55Mn high-quality carbon structural steel implementation standard and delivery status

1. Introduction to 55Mn steel plate: 1. The material of 55Mn steel plate is: high-quality carbon structural steel plate 2, 55Mn steel plate Executive standard: GB/T 711 and WTB
3, 55Mn steel plate
Delivery status:
Delivered in the state of hot rolling or heat treatment (annealing, normalizing or high temperature tempering). If the delivery is required in the state of heat treatment, it shall be indicated in the contract, and those who are not specified shall be delivered according to no heat treatment.
4. The size, shape, weight and allowable deviation of 55Mn steel plate The size, shape, weight and allowable deviation
of 55Mn steel plate shall be applied in accordance with the provisions of GB/T709.
5. 55Mn steel plate smelting method
: 55Mn steel is smelted by oxygen converter or electric furnace.
6. Ultrasonic testing of 55Mn steel plate 55Mn steel plate After negotiation between the supply and demand parties, the steel plate can be ultrasonic tested according to GB/T2970, and the testing
standard and qualification level should be specified in the contract.

Chemical composition

Tabulation: Depu Steel Date: 2024-01-18

C	Si	Mn	P	S	Cr	Ni
0.52-0.60	0.17-0.37	0.70-1.00	0.035	0.035	0.25	0.3

Note:
(1): In order to improve the properties of steel, other trace alloying elements other than the above table can be added, and the data comes from the network and is for reference only.
(2): The allowable deviation of the chemical composition of the finished steel plate shall comply with the provisions of GB/T222