Hot rolled 45# ASTM 4310 4140 4135 Q235B Carbon steel plate

1. 45# (GB standard): Indicates a Chinese steel grade with a carbon content of 0.45%, offering good mechanical properties and weldability, commonly used for structural components.

2. ASTM 4310, 4140, 4135: These are ASTM (American Society for Testing and Materials) specifications for alloy steels with specific chemical compositions and mechanical properties. They are known for their high strength, toughness, and wear resistance, suitable for applications requiring high-performance materials.

3. Q235B (GB standard): Refers to a commonly used Chinese steel grade with a carbon content of 0.2%, characterized by excellent weldability and machinability, often used in construction and structural engineering.

Overall, this type of carbon steel plate combines the advantages of different steel grades, offering a range of mechanical properties suitable for various industrial applications such as construction, machinery manufacturing, and automotive components.
 

FAQ:
 

Q:Can you send samples?

A:Sample can be for free,freight cost collect. 

Q:What product information do I need to provide? 

A:Steel grade/thickness/width/quantity,these will decide the price.

Q:About product prices? 

A:Prices vary from period to period due to cyclical changes in the price of raw materials.

Q:What are the certifications for your products? 

A:We have ISO 9001,CE,SGS,BV and other certifications.

Q:How about the delivery time? 

A:Regularly the delivery time around 10-15 days,customized one will inform the delivery time ahead.

Q:Does the product have quality inspection before loading? 

A:All the products are strictly tested before packaging,also can inspect by third party inspection.

Q:How to pack the products?

A:Standard export package with waterproof film and wooden pallet.It can effectively protect products from corrosion.