Steel E6011-SR (Stress relieved)
Heat-treated state
GOST E6011
Choose when code work (e.g. ASME/B31 piping) requires PWHT; strength drops slightly and ductility/toughness improve.
Values for the SR condition
Other E6011 tempers and conditions
E6011 is listed in 2 conditions; see the grade overview at E6011.
- SR
- AW
Compare all 2 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
SRThis page Stress relieved | Choose when code work (e.g. ASME/B31 piping) requires PWHT; strength drops slightly and ductility/toughness improve. | 360 | 455 | 30 | 145 HB | 11 % IACS |
AWDefault As-welded deposit | Standard supplied/qualified condition: properties of the undiluted deposit in the as-welded state, no post-weld heat treatment. | 400 | 480 | 26 | 160 HB | — |
What is E6011-SR?
E6011-SR is E6011 heat treated to SR — choose when code work (e.g. ASME/B31 piping) requires PWHT; strength drops slightly and ductility/toughness improve. E6011-SR has a yield strength of 360 MPa (52.2 ksi) and a tensile strength of 455 MPa (66 ksi) — weaker than 72% of steel grades. Elongation at break is 30% and the elastic modulus is 205 GPa (29.7 Msi). E6011-SR has a density of 7.85 g/cm³ (0.284 lb/in³), heavier than 56% of steel grades. It melts at 1,460°C (2,660 °F). AW is the default condition FabDigit quotes; SR is available on request or by drawing note.
Advantages
- High electrical conductivity — 11 % IACS, better than 98% of steel grades
- Ductile — tolerates forming and impact — 30%, better than 93% of steel grades
- Conducts heat well — 51 W/m·K (29.5 BTU/hr·ft·°F), better than 92% of steel grades
- Readily welded — 85/100, better than 83% of steel grades
- Forms and bends easily — 62/100, better than 78% of steel grades
Limitations
- Hard to polish — 40/100, worse than 96% of steel grades
E6011-SR properties
Typical room-temperature values for E6011-SR; 22 are specific to this condition. Other listed values are E6011 reference data and may not represent this condition. Bars are the position among steel grades.
Physical3
E6011-SR has a density of 7.85 g/cm³ (0.284 lb/in³), heavier than 56% of steel grades. It melts at 1,460°C (2,660 °F).
Mechanical13
E6011-SR has a yield strength of 360 MPa (52.2 ksi) and a tensile strength of 455 MPa (66 ksi) — weaker than 72% of steel grades. Elongation at break is 30% and the elastic modulus is 205 GPa (29.7 Msi).
Thermal6
E6011-SR is rated for continuous service to 425°C (797 °F). It conducts heat at 51 W/m·K (29.5 BTU/hr·ft·°F), better than 92% of steel grades. Thermal expansion is 12 µm/m·K (6.67 µin/in·°F).
Electrical3
E6011-SR conducts electricity at 11 % IACS, better than 98% of steel grades.
Chemical & Environmental3
Corrosion resistance is not recommended (10/100), worse than 86% of steel grades.
Sustainability4
Producing a kilogram of E6011-SR takes about 32 MJ of energy and emits 2.4 kg of CO₂ — more than 70% of steel grades. Typical recycled content is 25%.
Manufacturability7
E6011-SR's machinability is good (60/100, better than 83% of steel grades); weldability excellent (85/100); formability good (62/100).
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with E6011-SR
Is E6011 easy to machine?
Deposit machines like mild steel but slag inclusions and hard HAZ zones dull tooling — grind the crown flat before finish cuts.
Can E6011 be welded?
Run AC or DCEP with a tight, whipped arc; deep penetration handles rust, paint and galvanizing residue, but keep hydrogen-sensitive or thick, restrained joints for low-hydrogen E7018 instead.
Can E6011 be formed, bent or molded?
Not a wrought product — deposits can be peened or lightly dressed, but avoid severe cold bending across as-welded beads.
What surface finishes work on E6011?
Heavy spatter and coarse ripple require grinding/wire-brushing; then prime and paint or galvanize since bare deposit rusts quickly.
E6011 chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| CAWS A5.1 deposit limit | ≤ 0.2 | 0.11 |
| MnAWS A5.1 deposit limit | ≤ 1.2 | 0.45 |
| SiAWS A5.1 deposit limit | ≤ 1 | 0.2 |
| P | ≤ 0.03 | 0.02 |
| S | ≤ 0.04 | 0.02 |
| Niresidual | ≤ 0.3 | 0.02 |
| Crresidual | ≤ 0.2 | 0.02 |
| Moresidual | ≤ 0.3 | 0.01 |
| Vresidual | ≤ 0.08 | 0.01 |
| Fe | balance | — |
E6011-SR — frequently asked
What is E6011-SR used for?
E6011-SR is typically used for maintenance welding, farm equipment repair and general steel fabrication. In short: runs on AC transformers; tolerates dirty, painted steel; not low-hydrogen.
What is the yield strength of E6011-SR?
E6011-SR has a typical yield strength of 360 MPa (52.2 ksi) and a tensile strength of 455 MPa (66 ksi) — weaker than 72% of steel grades. Strength varies by condition: see the 2 listed tempers.
Is E6011-SR easy to machine?
Reasonably — machinability is rated good (60/100, better than 83% of steel grades). Deposit machines like mild steel but slag inclusions and hard HAZ zones dull tooling — grind the crown flat before finish cuts.
Can E6011-SR be welded?
Yes — weldability is rated excellent (85/100). Run AC or DCEP with a tight, whipped arc; deep penetration handles rust, paint and galvanizing residue, but keep hydrogen-sensitive or thick, restrained joints for low-hydrogen E7018 instead.
What surface finishes work on E6011-SR?
Heavy spatter and coarse ripple require grinding/wire-brushing; then prime and paint or galvanize since bare deposit rusts quickly.
Can E6011-SR be formed, bent or molded?
Not a wrought product — deposits can be peened or lightly dressed, but avoid severe cold bending across as-welded beads.
What is the maximum service temperature of E6011-SR?
E6011-SR is rated for continuous use to about 425°C (797 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between E6011-AW and E6011-SR?
AW is the default condition — standard supplied/qualified condition: properties of the undiluted deposit in the as-welded state, no post-weld heat treatment. SR: choose when code work (e.g. ASME/B31 piping) requires PWHT; strength drops slightly and ductility/toughness improve. Yield strength is 400 MPa in AW versus 360 MPa in SR.
Sources
- AWS A5.1/A5.1M — Specification for Carbon Steel Electrodes for Shielded Metal Arc Welding — American Welding Society (2012)
- ASM Handbook Vol. 6 — Welding, Brazing and Soldering — ASM International (1993)
- ASM Handbook Vol. 1 — Properties and Selection: Irons, Steels — ASM International (1990)
- Cellulosic SMAW electrode datasheets (E6011 class) — Lincoln Electric / ESAB / (2023)
Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.