News: What is the common name for 321 material? Which standard does the 321 grade come from? 
Who knows about the price of 321? Are there any well-known manufacturers or suppliers? A friend mentioned a company called Dongguan Xingwang that specializes in selling 321 material, even sent him samples with favorable prices, and they eventually closed a deal. 
By the way, here is the introduction to 321 material: 
"Grade: 321
Characteristics and Applications:
News: What is the common name for 321 material? Which standard does the 321 grade come from? 
Who knows about the price of 321? Are there any well-known manufacturers or suppliers? A friend mentioned a company called Dongguan Xingwang that specializes in selling 321 material, even sent him samples with favorable prices, and they eventually closed a deal. 
By the way, here is the introduction to 321 material: 
"Grade: 321
Characteristics and Applications:
321 special steel, American special steel 
 News: What is the common name for 321 material? Which standard does the 321 grade come from?

The steel products sold are roughly as follows:

France

I General Structural Steel

1 Non-alloy Structural Steel

S185  S235JR   S235J0  S235J2  S275JR  S275J0  S275J2   S355JR  S355J0  S355J2   S355K2  S450J0   E295  E335   E360

2 General Structural Steel

AF34C10  AF37C12  AF42C20  AF50C30  AF50S   AF55C35  AF60C4   AF65C45  AF70C55

II Low Alloy and Weathering Steel

Fine Grain Low Alloy Structural Steel

P265NJ2   P265NJ4  P285NJ2  P345NJ2  P345NGJ2   P345NGJ4  P400NGJ2   P400NGJ4  P40NJ4  P460NJ2  S235J0W  S235J2W  S355J0WP  S355J2WP  S355J0W  S355J2W  S355K2W 

Case Hardening Structural Steel

C10E  C10R  C15E  C15R  C16E  C16R  17Cr3  17CrS3  28Cr4  28CrS4  16MnCr5  16MnCrS5  16MnCrB5  20MnCr5  20MnCrS5  10NiCr5-4  15NiCr13  16NiCr4   16NiCrS4   18NiCr5-4   20MoCr3   20MoCrS3   20MoCr4  20MoCrS4  17CrNi6-6  18CrMo4  18CrMoS4  22CrMoS3-5  18CrNiMo7-6  14NiCrMo13-4  17NiCrMo6-4  17NiCrMoS6-4   20NiCrMo2-2  20NiCrMoS2-2    20NiCrMoS6-4

Nitriding Structural Steel

24CrMo13-6   31CrMo12  31CrMoV9  33CrMoV12-9  40CrMoV13-9  32CrAlMo7-10   34CrAlMo5-10  41CrAlMo7-10   34CrAlNi7  

Before consulting, customers must inform Xingwang Mold Steel Business Department about the required material characteristics, hardness, and whether it is for mold making or other uses, to help the material selection department provide better service! Any material-related issues can be addressed promptly.
Dongguan Chang'an Xingwang Mold Steel Business Department promises: quality assurance, competitive prices, attentive service, large stock availability, complete specifications. Welcome to call for inquiries.