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Resources/Materials & grades/DC01 / SPCC

Materials & grades

DC01 (1.0330) / ASTM A1008 CS / IS 513 CR1 / JIS SPCC cold-rolled sheet

DC01 (1.0330) is the commercial-quality cold-rolled low-carbon steel sheet of EN 10130, used for bending, profiling and light forming. Its nearest names are ASTM A1008 CS Type B, IS 513 CR1 and JIS G 3141 SPCC.

Names by standard

What it is called in each region

RegionSystemDesignationNormeMatch
USAASTM A1008CS Type BCommercial steel, carbon 0.02–0.15 %. Types A and C differ in carbon and phosphorus limits. A1008 gives only typical (non-mandatory) properties for CS, with yield 140–275 MPa and elongation of 30 % or more.ASTM A1008/A1008MClosest equivalent
ASTM (legacy)A366 CQOld commercial-quality designation that ArcelorMittal still lists against DC01. A366 has been replaced by A1008.ASTM A366Closest equivalent
UKBS EN 10130DC01The UK adopts the European standard.BS EN 10130Same material
BS 1449 Part 1 (legacy)CR4Withdrawn. Cross-reference tables pair CR4 with DC01. Do not confuse with IS 513 CR4, which is extra deep drawing.BS 1449-1Closest equivalent
EUEN 10027-1 nameDC01EN 10130Same material
EN 10027-2 number1.0330EN 10130Same material
VDA 239-100CR1German automotive name for the same grade (Salzgitter lists DC01 as CR1). Its yield limit is a little higher (140–300 MPa). Not the same as IS 513 CR1.VDA 239-100Equivalent
EN 10130:1991 (legacy)FeP01Superseded designation of the 1991 edition.EN 10130:1991Equivalent
DIN 1623 (legacy)St 12Superseded German name still used in drawings.DIN 1623-1Equivalent
IndeIS 513CR1 (commercial)Current designation from IS 513:2008 onward. Carbon 0.15 % maximum, manganese 0.60 %; mechanical values are not normally guaranteed.IS 513Closest equivalent
IS 513 (pre-2008)O (ordinary quality)Old name for CR1 in the IS 513 grade correlation table.IS 513Closest equivalent
JapanJIS G 3141SPCCCommercial quality. Tensile strength is guaranteed only when ordered as SPCCT (270 MPa minimum); phosphorus limit is much looser than DC01.JIS G 3141Closest equivalent

On equivalence

  • DC01, CS Type B, CR1 and SPCC are close but not identical. DC01 limits P and S to 0.045 % each; SPCC allows 0.100 % P and CR1 allows 0.050 % P and 0.040 % S.
  • SPCC has no tensile guarantee unless ordered as SPCCT, and IS 513 does not normally guarantee CR1 mechanical values. DC01 always carries a tensile range of 270–410 MPa and an A80 minimum.
  • ASTM A1008 gives only typical properties for CS (yield 140–275 MPa), so there is no mandatory mechanical match to EN 10130.
  • The name CR1 is used by VDA 239-100 for DC01 and by IS 513 for the commercial grade. In BS 1449 cross-references CR4 is commercial steel (DC01) and CR1 the deep-drawing grade (DC04). Check the standard named on an order before substituting.
  • Yield strength in EN 10130 is shown as a maximum. Some mill sheets show a range of 140–280 MPa; the lower figure is a design assumption, not a purchase minimum.
  • JIS G 3141:2021 allows SPCC manganese up to 1.00 % (Total Materia); the 2011 edition printed ≤0.60 %.

Chemical composition

Composition limits, mass %

ElementCS Type B, heat analysisUSA · ASTM A1008/A1008MDC01 (1.0330), ladle analysisEU · EN 10130CR1 commercialInde · IS 513:2008SPCCJapan · JIS G 3141:2021
C0.02–0.15≤0.12≤0.15≤0.15
Mn≤0.60≤0.60≤0.60≤1.00
P≤0.025≤0.045≤0.050≤0.100
S≤0.035≤0.045≤0.040≤0.035
Cr≤0.15———
Ni≤0.20———
Mo≤0.06———
Cu≤0.20———
N——≤0.012—

Mechanical properties

Strength and hardness

ConditionTensile strengthYield strengthElongationHardness
Cold rolled, annealed and skin-passed (EN 10130 DC01)Specified, transverse test, nominal thickness 0.7–3 mm; yield is a range, not a minimum; A80 minimum; no r90 or n90 requirementEN 10130 as tabulated by ArcelorMittal, Tata Steel Nederland and Roy Mech270–410 MPa39–59 ksi140–280 MPa20–41 ksi≥28 %—
Cold rolled, annealed and skin-passed (EN 10130 DC01)Specified, transverse test, 0.5–0.7 mm; A80 minimumEN 10130 as tabulated by ArcelorMittal270–410 MPa39–59 ksi140–300 MPa20–44 ksi≥26 %—
Cold rolled, annealed and skin-passed (EN 10130 DC01)Specified, transverse test, 0.3–0.5 mm; A80 minimumEN 10130 as tabulated by ArcelorMittal270–410 MPa39–59 ksi140–320 MPa20–46 ksi≥24 %—
Cold rolled, typical range (ASTM A1008 CS Types A, B, C)Typical and non-mandatory; longitudinal test; elongation in 50 mm; no r or n values establishedASTM A1008/A1008M, Table 3—140–275 MPa20–40 ksi≥30 %—
Cold rolled (IS 513 CR1)Values not normally tested for commercial quality; temper is ordered by hardness. Annealed 68 HRB maximum, skin passed 70 HRB maximumIS 513:2008, Tables 3 and 5———≤68 HRB annealed; ≤70 HRB skin passed
Cold rolled, standard temper (JIS SPCCT)Specified when ordered with tensile guarantee (SPCCT); elongation for 1.0–1.6 mm, No. 5 test piece along rolling direction (28 % at 0.25–0.30 mm up to 39 % at 2.5 mm and over); 2 points less if bright finishJIS G 3141:2011, Table 5≥270 MPa≥39 ksi—≥37 %—

In practice

Behaviour, heat treatment and uses

Characteristics

  • Low-carbon steel (C 0.12 % maximum) with no guaranteed plastic strain ratio (r90) or strain-hardening exponent (n90), so it is suited to bending, roll forming, shallow drawing and general sheet-metal work rather than deep drawing.
  • EN 10130 limits yield strength only from above (280 MPa maximum), with tensile strength of 270–410 MPa and A80 of at least 28 % at nominal thickness. ReL of at least 140 MPa may be assumed for design.
  • Deoxidation is left to the maker's discretion and boron or titanium may be present; DC03 and above are specified as aluminium killed.
  • No ageing guarantee: DC01 is not covered by the six-month property period of the deep-drawing grades, and one standards summary gives only three months free of stretcher-strain marks for surface quality B.
  • EN 10130 defines two surface qualities. Quality A allows small defects that do not impair forming or coating (pores, light scratches, slight dents, slight colour change). Quality B requires the better side to be free of defects that would show through high-grade paint or electroplating, with the other side at least quality A; B is for skin-passed product only and not every size is offered in it.
  • Skin-passed sheet can be ordered with a roughness finish: bright b (Ra up to 0.4 µm), semi-bright g (up to 0.9 µm), normal m (0.6–1.9 µm, the default) or rough r (above 1.6 µm). The finish cannot be specified for non-skin-passed product.
  • Thin gauges: yield strength limit rises by 20 MPa from 0.5 to 0.7 mm and by 40 MPa at 0.5 mm and below, and minimum A80 falls by 2 and 4 points. r90 and n90 apply from 0.5 mm; above 2 mm r90 falls by 0.2.
  • Welds readily by resistance spot, MIG and similar processes because of the low carbon and manganese content.
  • Available electrolytically zinc coated as DC01+ZE under EN 10152; the coated grade has its own standard.

Heat treatment

  • Supplied cold rolled, then annealed (batch or continuous) and skin-passed. It is a non-hardening steel; nothing is gained from quenching.
  • Skin passing sets the surface finish and removes the yield-point elongation that causes stretcher-strain (Lüders) lines. Without an ageing guarantee, form soon after delivery.
  • Preheat is not normally needed for welding thin sheet; stress relieving is not required.

Usages types

  • Bent, profiled and roll-formed sections, brackets and covers
  • Appliance housings, panels and enclosures
  • Furniture, shelving and office equipment
  • Electrical cabinets and light fittings
  • Tube and pipe made from strip, and general sheet-metal fabrication

Sheet and strip

Similar grades compared

GradeC %Mn %Cr %Ni %Tensile, first listed condition
DC01 / SPCC0.02–0.15≤0.60≤0.15≤0.20270–410 MPa
DC03 / SPCD0.02–0.08≤0.50≤0.15≤0.20270–370 MPa
DC04 / SPCE≤0.06≤0.50≤0.15≤0.20270–350 MPa
DC05 / SPCF≤0.02≤0.40≤0.15≤0.10270–330 MPa
DC06 / SPCG≤0.02≤0.40≤0.15≤0.10270–330 MPa
DD11 / SPHC≤0.15≤0.60≤0.15≤0.20≤440 MPa
DD12 / SPHD0.02–0.08≤0.45——≤420 MPa
DD13 / SPHE≤0.08≤0.40——≤400 MPa
S355MC≤0.23≤1.35≤0.15≤0.20430–550 MPa
DX51D / 1.02260.02–0.15≤0.60——270–500 MPa

Composition from the US standard where one exists, otherwise the first standard listed on each grade's page. Strength conditions differ between grades; open a grade for its full table.

Questions et réponses

Common questions

What is the equivalent of DC01?

The closest equivalents are ASTM A1008 CS Type B, IS 513 CR1 and JIS G 3141 SPCC. The old German name is St 12 and the old EN 10130:1991 name is FeP01. They match on commercial forming quality but their composition limits and guaranteed properties differ.

Is DC01 the same as SPCC?

They are used interchangeably, but they are not identical. SPCC allows up to 0.15 % carbon and 0.100 % phosphorus against 0.12 % and 0.045 % for DC01, and SPCC has no guaranteed tensile strength unless ordered as SPCCT.

Is DC01 good for deep drawing?

No. EN 10130 sets no r90 or n90 value for DC01, so it is meant for bending, profiling and shallow forming. Use DC03 or DC04 for drawn parts and DC05 or DC06 for the most severe draws.

What is the difference between DC01 and DC03?

DC03 has lower carbon and manganese (0.10 % and 0.45 % maximum), a lower yield limit (240 MPa against 280 MPa), a higher A80 (34 % against 28 %) and a guaranteed r90 of 1.3. It is aluminium killed and has a six-month ageing guarantee.

What do surface qualities A and B mean on DC01 sheet?

Quality A permits minor surface defects that do not affect forming or coating. Quality B requires the better side to be fit for high-grade painting or electroplating. B is supplied skin-passed only.

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Keep reading

DC03 / SPCDDC03 (1.0347) is the drawing-quality cold-rolled low-carbon steel sheet of EN 10130, used for pressed and drawn parts of moderate depth.DC04 / SPCEDC04 (1.0338) is the deep-drawing cold-rolled low-carbon steel sheet of EN 10130, the usual choice for automotive and appliance pressings.DX51D / 1.0226DX51D+Z (1.0226) is the commercial-quality hot-dip galvanized sheet steel of EN 10346, used for roofing, cladding, ducting and other parts that are bent or roll-formed but not deep drawn.1008SAE 1008 is a very low-carbon steel with at most 0.10 % carbon, supplied as sheet, strip, wire and bar for deep drawing and cold forming.DD11 / SPHCDD11 (1.0332) is the commercial-quality grade of EN 10111, a low-carbon hot-rolled strip made for cold forming.AnnealingAnnealing heats steel to a set temperature, holds it and cools it slowly to make it softer, more ductile and easier to machine or cold form.EN 10027 names and numbersEuropean steels carry two identifiers under EN 10027: a steel name (Part 1) such as S235JR, C45 or 42CrMo4 that describes the steel's use or chemistry, and a material number (Part 2) such as 1.0503 or 1.7225.JIS steel designationsJapanese JIS steel symbols start with S for steel and add letters for the steel family or its use, but the number means different things in different standards.

References

Sources

  1. Tata Steel Nederland: cold rolled forming steel (EN 10130) — DC01, DC03 and DC04 limits, thickness adjustments, surface qualities and finishes (Ra).
  2. ArcelorMittal: B10 steels for cold forming (EN 10130 grades) — Yield, tensile, A80, r90 and n90 by thickness band; ageing guarantee; ASTM and JIS cross-references.
  3. Roy Mech: BS EN 10130 information — EN 10130:2006 steel numbers, yield range, tensile range, elongation and composition.
  4. Modulus Metal: EN 10130 standard guide — Grade table with r90, n90, thickness adjustments, ageing periods and surface finish symbols.
  5. Salzgitter Flachstahl: DC01 data sheet (mild steels for cold forming) — Mill-guaranteed transverse properties, heat analysis and legacy DIN name.
  6. ASTM A1008/A1008M-18 cold-rolled sheet (copy hosted by US Frame Factory) — Table 1 chemical composition and Table 3 typical (non-mandatory) mechanical properties for CS, DS, DDS and EDDS.
  7. IS 513:2008 Cold reduced low carbon steel sheet and strip, with Amendment 1 (BIS public copy) — CR designations, composition, mechanical properties and the old O/D/DD/EDD correlation. Current edition is IS 513 (Part 1):2016, which was not available to read.
  8. JIS G 3141:2011 Cold-reduced carbon steel sheets and strip (JISF English translation) — SPCC to SPCG composition, yield, tensile, elongation and r values.
  9. Takasago Tekko: cold rolled steel strips (JIS G 3141 values) — SPCC, SPCD and SPCE composition and elongation as listed by a Japanese strip maker.
  10. Gavex: cold-rolled steel correspondence norms — EN 10130:1991 FeP names, DIN 1623 St names and BS 1449 CR grades against DC01 to DC05.
  11. Nippon Steel Slovakia (formerly U. S. Steel Košice): drawing steels, EN 10130 DC01 to DC06 table
  12. Farnell / Multicomp material declaration: cold rolled coils and sheets EN 10130 (2015)
  13. Kobelco: cold-rolled steel sheet product guide (JIS G 3141 SPCD to SPCG elongation, 6-month non-ageing note)
  14. SSAB DC01 Zero: EN 10130 DC01 data (thin-gauge yield increase, 8-day validity of the 280 MPa limit)
  15. Total Materia: JIS SPCC, G 3141:2021 (composition)

Values summarize published limits and typical data. The governing standard and the current edition control; check them before specifying.