PropertiesAbout these values
- Typical room-temperature values for the default supply condition.
- Bars show where S550MC sits against the other steel grades in the catalog (shaded band = 10th–90th percentile, tick = median).
- Confirm against the certified mill / resin datasheet before design release.
About these values
- Typical room-temperature values for the default supply condition.
- Bars show where S550MC sits against the other steel grades in the catalog (shaded band = 10th–90th percentile, tick = median).
- Confirm against the certified mill / resin datasheet before design release.
Datasheet
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Against other steel grades
Strength versus weight in the steel family
Yield strength against density for every steel grade FabDigit runs. S550MC is highlighted; hover a dot for its name, or open the interactive family chart.
Surface finishes for S550MC
Coatings and treatments compatible with steel on the processes S550MC runs on. Pick them in the quote configurator or call them out on the drawing.
Plating
- Copper Plating
- Electroless Nickel (EN)
- Gold Plating
- Hard Chrome Plating
- Silver Plating
Organic Coating
- Epoxy Coating
Black / Phosphate
- Manganese Phosphate
- Zinc Phosphate
Thermal Spray
- Plasma Spray
Equivalent designations
Standards and trade names that resolve to Steel S550MC in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- GB (China)
- Q550M
- Also called
- 高强度结构钢
Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.