Base Iron
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Chemical Composition

Base Iron Material Chemical Composition and Application Table
Grade C (%) Mn (%) P (%) S (%) Fe (%) Application
Q195≤0.060.25–0.50≤0.035≤0.035Residual (≈99.6)Welding rods, steel wires, nails
Q235A/B≤0.22≤1.40≤0.045≤0.045Residual (≈98.3)Building structure components, profiles
Q345B≤0.201.0–1.6≤0.035≤0.035Residual (≈98.7)Load-bearing welded structural components
SPCC≤0.15≤0.60≤0.10≤0.05Residual (≈99.1)Home appliance casings, stamped parts
SPCD≤0.10≤0.45≤0.04≤0.045Residual (≈99.4)Deep drawing parts
SPCE≤0.08≤0.45≤0.03≤0.035Residual (≈99.4)Ultra-deep drawn parts
DC01≤0.12≤0.60≤0.045≤0.045Residual (≈99.2)Cold-formed structures
DC03≤0.10≤0.45≤0.035≤0.035Residual (≈99.4)Deeper drawing parts
DC04≤0.08≤0.40≤0.030≤0.030Residual (≈99.5)Ultra-deep drawing parts
A36≤0.260.6–0.9≤0.04≤0.05Residual (≈99.0)General structural steel, engineering steel

Mechanical Properties

Base Iron Material Mechanical Properties Table
Grade Temper Vickers Hardness (HV) Tensile Strength (MPa) Elongation (%)
Q195Soft—≥315≥33
1/2H105–130370–430≥20
H≥130≥410—
Q235A/BSoft—370–500≥25
1/2H110–140430–510≥20
H≥140≥470—
SPCCSoft≤100270–410≥30
1/2H110–140410–490≥15
H≥140≥450—
DC01Soft≤130≥280≥28
1/2H130–160360–440≥15
H≥160≥420—
SAE 1008Soft—≥310≥33
1/2H105–135370–450≥20
H≥135≥400—
厚度
Thickness (mm)		 公称宽度 < 600mm
Nominal Width < 600mm		 600mm ≤ 公称宽度 < 1560mm
600mm ≤ Nominal Width < 1560mm
JIS G4305 ASTM 240 我司标准 JIS G4305 ASTM 240 我司标准
0.1 ≤ t < 0.2±0.02±0.015±0.01///
0.2 ≤ t < 0.3±0.025±0.02±0.01±0.038±0.038±0.015
0.3 ≤ t < 0.4±0.03±0.025±0.015±0.04±0.04±0.015
0.4 ≤ t < 0.5±0.04±0.03±0.015±0.04±0.04±0.02
0.5 ≤ t < 0.6±0.04±0.03±0.015±0.04±0.04±0.02
0.6 ≤ t < 0.7±0.045±0.035±0.015±0.05±0.05±0.02
0.7 ≤ t < 0.8±0.045±0.035±0.015±0.05±0.05±0.02
0.8 ≤ t < 0.9±0.05±0.035±0.02±0.06±0.06±0.025
0.9 ≤ t < 1.0±0.05±0.035±0.02±0.06±0.06±0.025
1.0 ≤ t < 1.5±0.06±0.04±0.025±0.07±0.07±0.03
1.5 ≤ t < 2.0±0.07±0.04±0.03±0.08±0.08±0.035

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Dongguan Dechuang Hardware Co., Ltd.
Phone: +86-769-81888566
Mobile (WhatsApp): +86-13332617868 (Jane) / +86-17620152277 (Eric)
Email: hcy518@163.com (Jane) / sale2@dgdechuang.com (Eric)
Office Address: Room 2103, Building 8, Vanke Center, No.1 Changqing South Road, Chang’an Town, Dongguan, China
Factory Address: No.6 Shukeng Street, Yanwu Village, Dalingshan Town, Dongguan, Guangdong, China