According DIN EN 10025-6-2020
Quenched and tempered high yield strength structural steel
Alloword 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, Alloword 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 |
|---|---|---|---|
| S550Q/1.8904 | alloy steel | 1,00-13,00 | 50-1,630 |
| S550QL/1.8926 | 1,00-13,00 | 60-1,630 | |
| S550QL1/1.8986 | 1,00-13,00 | 80-1,630 |
NOTE: Not all thickness and width combinations are possible.
Chemical composition of symbol standards
| Steel grade | C [%] | Si [%] | Mn [%] | P [%] | S [%] | Cr [%] | Ni [%] | Cu [%] | Mo[%] | Ti[%] |
|---|---|---|---|---|---|---|---|---|---|---|
| S550Q/1.8904 | ≤0.2 | ≤0.8 | ≤1.7 | ≤0.02 | ≤0.015 | ≤1.5 | ≤4 | ≤0.5 | ≤0.7 | — |
| S550QL/1.8926 | ≤0.2 | ≤0.8 | ≤1.7 | ≤0.02 | ≤0.01 | ≤1.5 | ≤4 | ≤0.5 | ≤0.7 | — |
| S550QL1/1.8986 | ≤0.2 | ≤0.8 | ≤1.7 | ≤0.02 | ≤0.01 | ≤1.5 | ≤4 | ≤0.5 | ≤0.7 | — |
NOTE: Mass fraction in ladle analysis.
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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