Carbon structural steel_Huangshi Shan Lixing metallurgical sheet Co., Ltd.

Annealing and plate is mainly used in automobile manufacturing, electrical products, metal stamping, home appliance manufacturing, construction aterials and other industries

Standard, grade and purpose:

Grade	Product standard	Dimension		Purpose
Q195、Q215-A、Q215-B	GB/T11253-2007	Width mm	Thickness mm	Wide used for structural and drawing components of engineering machinery, transportation, building, lifting machinery, agriculture, light industry, civilian use, etc.
Q235		700～1250 0.2～1.8
Q235
Q235-C
Q235-D
Q345

Dimension& profile tolerance:

Grade	According with related standard
Q195、Q215-A～Q235-D、Q345	GB/T708

SPCCT-SD、SPCD-SD、SPCE-SD、SPCF-SD、SPCG-SD elongation:

Grade	A50mm（%）
	Thickness distinguish（mm）
	≥0.30～0.40	≥0.40～0.60	≥0.60～1.0	≥1.0～1.6	≥1.6～≤2.5	＞2.5
SPCCT-SD	≥31	≥34	≥37	≥39	≥41	≥39
SPCD-SD	≥33	≥36	≥40	≥42	≥44	≥41
SPCE-SD	≥35	≥38	≥42	≥44	≥46	≥43
SPCF-SD		≥40	≥44	≥46	≥48
SPCG-SD		≥42	≥46	≥48	≥50

Note：Tensile test uses tansverse sample with length b=25mm,L0=50mm。

Chemical composition（wt%）:

Grade	C	Si	Mn	P	S	Cu
Q195	0.06～0.12	≤0.30	0.25～0.50	≤0.045	≤0.050	≤0.050
Q215-A	0.09～0.15	≤0.30	0.25～0.55	≤0.045	≤0.050	≤0.035
Q215-B	0.09～0.15	≤0.30	0.25～0.55	≤0.045	≤0.050	≤0.035
Q235-A	0.14～0.22	≤0.30	0.30～0.65	≤0.045	≤0.050	≤0.035
Q235-B	0.12～0.20	≤0.30	0.30～0.70	≤0.045	≤0.045	≤0.035
Q235-C	≤0.18	≤0.30	0.35～0.80	≤0.040	≤0.040	≤0.035
Q235-D	≤0.17	≤0.30	0.35～0.80	≤0.035	≤0.035	≤0.035

Mechanical properties:

Grade	Yield strength RcL（Mpa）	Tensile strength Rm(MPa)	MPa plastic strain ratio A80mm%
Q195	≥195	315～430	≥33
Q215-A	≥215	335～450	≥30
Q215-B	≥215	335～450	≥30
Q235-A	≥235	375～500	≥25
Q235-B	≥235	375～500	≥25
Q235-C	≥235	375～500	≥25
Q235-D	≥235	375～500	≥25