Steel CRNGO Cold Rolled vs CRNGO-SRA
Steel · CRNGO temper comparison
CRNGO Cold Rolled and CRNGO-SRA are two conditions of the same steel grade, CRNGO: Cold Rolled versus SRA (stress-relief annealed after blanking). The chemistry is identical, so every difference below comes from the condition. CRNGO Cold Rolled is the stronger of the two: yield strength 500 MPa (72.5 ksi) against 300 MPa (43.5 ksi) for CRNGO-SRA, about 67% more; tensile strength follows at 600 MPa (87 ksi) vs 440 MPa (63.8 ksi). In exchange, CRNGO-SRA is the more ductile: elongation 28% versus 10% for CRNGO Cold Rolled, and CRNGO Cold Rolled is harder (210 HB vs 155 HB). CRNGO-SRA runs hotter in service (200°C vs 150°C continuous).
CRNGO Cold RolledChoose it when strength drives the design.
CRNGO-SRAChoose it when the part is bent, formed or impact-loaded, or when the part sees heat.
CRNGO Cold Rolled vs CRNGO-SRA: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all steel grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
How to read these bars
- One bar per material. A full bar is the highest value among all steel grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
Mechanical
Strength, stiffness, ductility and hardness at room temperature.
Tensile Strength (Ultimate)
Yield Strength (0.2% offset)
Elongation at Break
Reduction in Area
Compressive Strength
Shear Strength
Fatigue Strength (Endurance Limit)
Charpy V-Notch Impact (RT)
Hardness, Brinell
Hardness, Rockwell B
Hardness, Vickers
Same in both: Elastic (Young's) Modulus 200 GPa29 Msi · Shear Modulus 78 GPa11.3 Msi · Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29
Physical
Density and transition temperatures.
Same in both: Density 7.65 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,500°C2,732 °F · Liquidus Temperature 1,525°C2,777 °F
Thermal
How each material carries heat and how hot it can run.
Thermal Conductivity
Max Service Temperature (continuous)
Same in both: Specific Heat Capacity 465 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 11.8 µm/m·K6.6 µin/in·°F · Latent Heat of Fusion 247 J/g106 BTU/lb · Min Service Temperature -60°C-76 °F
Electrical
Conductivity and insulation.
Electrical Conductivity
Electrical Resistivity
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Corrosion Resistance
Same in both: Galvanic Potential (seawater, vs SCE) -0.6 V
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Machinability
Machinability Rating (AISI 1212 = 100 %)
Weldability
Formability (cold)
Same in both: Brazeability / Solderability 50 / 100 · Polishability 45 / 100
Sustainability
Primary-production footprint per kilogram.
Same in both: Embodied Energy (primary production) 32 MJ/kg13,758 BTU/lb · Embodied Carbon (primary production) 2.3 kg CO₂/kg · Embodied Water 45 L/kg5.4 gal/lb · Typical Recycled Content 20%
Strength versus weight
Yield strength against density for every steel grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.
CRNGO Cold Rolled vs CRNGO-SRA — frequently asked
Is CRNGO Cold Rolled stronger than CRNGO-SRA?
Yes. CRNGO Cold Rolled has a typical yield strength of 500 MPa (72.5 ksi) against 300 MPa (43.5 ksi) for CRNGO-SRA — about 67% more. Tensile strength is 600 MPa (87 ksi) vs 440 MPa (63.8 ksi).
Which condition does FabDigit quote by default, Cold Rolled or SRA?
Annealed is the default CRNGO condition in the FabDigit quote flow (neither Cold Rolled nor SRA). The other condition is available on request or by drawing note — specify it in the material field or the part notes and the quote is priced for it.
Which welds better, CRNGO Cold Rolled or CRNGO-SRA?
CRNGO-SRA. Its weldability rates fair (52/100) against fair (45/100) for CRNGO Cold Rolled.
Ready to make it?
Upload a CAD file and FabDigit prices the part in CRNGO Cold Rolled and CRNGO-SRA side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.
Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.