According ISO 683-18-1996
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Heat-treated steel, alloy steel and free-machining steel
7-day express delivery
Minimum order quantity of 1 ton
Precision machining provided by our own factory
Supporting multiple payment methods: CIF CFR FOB EX-WORK
Multi-port delivery at Shanghai, Ningbo, and Guangzhou
Supporting sample services
Botec Company can supply various grades of hot-rolled steel, all of which are produced by large steel organizations such as Baosteel Group and Ansteel Group within China. We can produce and deliver according to the standards required by customers based on their location or order specifications. China possesses world-leading steel production technology, and nowadays, steel supply is distributed globally. As a result, Bertic has the capability to cooperate with numerous multinational enterprises like BMW, General Motors, and other automotive manufacturers, implementing a global supply approach.
Steel grades included in the standard
Steel grade designation | Name | THICKNESS from _ to in mm | WIDTH from _ to in mm |
---|---|---|---|
ISO C25E4 | hot rolled carbon steel | 1,00 – 13,00 | 50 – 1,630 |
NOTE: Not all thickness and width combinations are possible.
Chemical composition of symbol standards
Steel grade | C [%] | Si [%] | Mn [%] | P [%] | S [%] | Cr [%] | Ni [%] | Mo [%] | Cu [%] | As [%] |
---|---|---|---|---|---|---|---|---|---|---|
ISO C25E4 | 0.22-0.29 | 0.1-0.4 | 0.4-0.7 | ≤0.035 | ≤0.035 | – | – | – | – | – |
NOTE: Mass fraction in ladle analysis.
Application field
Delivery information
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Contact and Support

Ilin Ye
Steel Business Manager
5F, Building 7, No. 7 Youyi Road,
Baoshan District,
Shanghai, China.
Baoshan District,
Shanghai, China.
t/f: +86 (0)21 56162819
m: +86 15618590326