Hot rolled ocean anchor chain steel round bar
Chemical composition, %, max.
| Steel grade | C | Si | Mn | P | S |
| SBC 300 | 0.13 | 0.04 | 0.50 | 0.040 | 0.040 |
| SBC 490 | 0.25 | 0.15-0.40 | 1.00-1.50 | 0.040 | 0.040 |
| SBC 690 | 0.36 | 0.15-0.55 | 1.0-1.90 | 0.040 | 0.040 |
For SBC 690, such elements as Ni, Cr, Mo and V other than given in the table above may be added, as required.
Mechanical properties
| Steel grade | Tensile strength N/mm2 | Elongation % | Contraction % | Condition of test specimen |
| SBC 300 | 300 min | 30 min. | - | As rolled |
| SBC 490 | 490 min | 22 min. | - | As rolled or normalized |
| SBC 690 | 690 min | 17 min. | 40 min. | Heat treatment of quenching and tempering or the like |
The shape, dimensions, masses and tolerances of steel bars shall be in accordance with JIS G 3191.
Appearance of steel bars shall be in accordance with clause 9 of JIS G 3191
The chemical composition of steel bars shall be obtained by the cast analysis, and the general
matters concerning the analytical test and the sampling method for the analytical samples shall conform to clause 8 of JIS G 0404
The general matters pertaining to mechanical tests shall be in accordance with clause 9 of JIS G 0404
Method of tension test JIS Z 2241
Method of bending test JIS Z 2248
Method of impact test JIS Z 2242
Marking
The steel bar which has passed the inspection shall be marked with the following information by an appropriate method on each steel bar or on each bundle. However, part of the following information may be omitted, as agreed on between the purchaser and the manufacturer.
Product size range
Diameter: 40mm - 150mm
Length: on request
Production Process
Key clients
