Classification According to structure:
1. the pressure vessel with steel plate: in case of the tail of the trademark R, the number of available yield point can also be used with carbon content or containing alloy elements. Such as: Q345, Q345R for the yield point. Another example: 20R, 16MnR, 15MnVR, 15MnVNR, 8MnMoNbR, MnNiMoNbR, 15CrMoR and with carbon content or content of alloy elements to represent.
2. welding gas cylinders with steel plate: in case of the tail of the trademark HP, its brand can be said with the yield point, such as: Q345HP, Q295HP; also can be used to indicate the alloying elements such as: 16MnREHP.
3.boiler steel plate: with a small G in the tail said. Its grades can be said that the yield point, such as: Q390g; also can be used to indicate the amount of carbon or alloy elements, such as 20g, 22Mng, 15CrMog, 16Mng, 19Mng, 13MnNiCrMoNbg, 12Cr1MoVg, etc..
4. the bridge with the steel plate: with a small Q at the end of the brand, such as 16Mnq, Q420q, 14MnNbq, etc..
5. automobile beam steel plate: with a capital l at the end of the brand, said such as 09MnREL, 06til, 08TiL, 10TiL, 09sivl and 16MnL, 16MnREL etc..
Chemical composition contrast:
|
Grade |
C |
Si |
Mn |
P |
S |
|
Q345A |
≤0.20 |
≤0.55 |
1.00-1.60 |
≤0.045 |
≤0.045 |
|
Q345B |
≤0.20 |
≤0.55 |
1.00-1.60 |
≤0.040 |
≤0.040 |
|
Q345C |
≤0.20 |
≤0.55 |
1.00-1.60 |
≤0.035 |
≤0.035 |
|
Q345D |
≤0.18 |
≤0.55 |
1.00-1.60 |
≤0.030 |
≤0.030 |
|
Grade |
V |
Nb |
Al |
Ti |
|
|
Q345A |
0.02-0.15 |
0.015-0.060 |
|
0.02-0.20 |
|
|
Q345B |
0.02-0.15 |
0.015-0.060 |
|
0.02-0.20 |
|
|
Q345C |
0.02-0.15 |
0.015-0.060 |
≥0.015 |
0.02-0.20 |
|
|
Q345D |
0.02-0.15 |
0.015-0.060 |
≥0.015 |
0.02-0.20 |
|
Since 2015, HYT has actively cooperated with many domestic steel mills. HYT regularly exchange steel technology with these mills and make progress from this. ln the process of communicating with customers, we carefully listen to customers' requirements and produce steel products as customers' demands. Under necessary circumstances, HYT is willing to help customers find suitable steel mill to produce some special products to save time and cost for customers because we have the reliable resources of still mills to prevent you to be cheated.
Our Group provides customers with high-quality products and services with advanced equipment, strong technical strength and a high sense of social responsibility. Since 2015, Our products have been exported globally, including Germany, France, the United States, Japan, Russia, ltaly, Turkey, the United Arab Emirates, Australia, Saudi Arabia, Ukraine, Thailand, Viet-nam, Singapore, Spain, lreland, India, South Africa, Mexico, etc.
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