HOT ROLLED COILS-Qingdao Gangsheng Steel Co., Ltd

esther@qdgssteel.com

8617706399633

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HOT ROLLED COILS

Product description:

Carbon structural steel coil/strip refers to carbon steel containing less than 0.8% carbon, which contains less sulfur, phosphorus and non-metallic inclusions than carbon structural steel, and has better mechanical properties.

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E-mail:esther@qdgssteel.com

WhatsApp：8617706399633

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Product Details

Product Name	Cold Rolled/ Hot Rolled Carbon Steel Coils Price
Standard	AISI,ASTM,DIN,JIS,GB,JIS,SUS,EN,etc.
Material	Q195, Q215,Q235,Q345,ST37, A36,45# ,16Mn, SPHC,SGCC,CGCC
Thickness(mm)	Hot Rolled Thickness:2.75mm-100mmCold Rolled Thickness:0.2mm-3mm As Your Request
Width(mm)	45mm-2200mm, As Your Request
Technique	Hot rolled / cold rolled
Surface	Bare,Black,Oiled,Shot Blasted,Spray Paint,Coated,Galvanized,or as Your Request
Coil ID	508-610mm or as per your request
Coil Weight	3~5 Tons or as per your request
Application	Construction, machinery manufacturing, container manufacturing, shipbuilding, bridges, etc.
Packing	Standard Export packing(Plastic film in the first layer,second layer is Kraft paper. Third layer is galvanized sheet)

Product Material

Chemical Composition:

Grade	C	Si	Mn	P	S	Cu	Cr	Ni
20R	0.20	0.15-0.30	0.40-0.90	0.030	0.020	0.300	0.300	0.300
16MnR	0.20	0.20-0.55	1.20-1.60	0.030	0.020	0.300	0.300	0.300
16MnL	0.14-0.19	0.20-0.55	1.30-1.60	0.020	0.020	0.300	0.300	0.300
9CuPCrNi-A	0.12	0.2-0.75	0.20-0.50	0.07-0.15	0.040	0.25-0.55	0.3-1.25	0.65
Q235NH	0.13	0.10-0.40	0.20-0.60	0.03	0.030	0.25-0.55	0.40-0.80	0.65
Q295NH	0.15	0.10-0.50	0.30-1.00	0.03	0.030	0.25-0.55	0.40-0.80	0.65
Q355NH	0.16	0.5	0.50-1.50	0.03	0.030	0.25-0.55	0.40-0.80	0.65
Q415NH	0.12	0.65	1.10	0.025	0.030	0.20-0.55	0.30-1.25	0.12-0.65
Q460NH	0.12	0.65	1.50	0.025	0.030	0.20-0.55	0.30-1.25	0.12-0.65
Q500NH	0.12	0.65	2.0	0.025	0.030	0.20-0.55	0.30-1.25	0.12-0.65
Q550NH	0.12	0.65	2.0	0.025	0.030	0.20-0.55	0.30-1.25	0.12-0.65
Q265GNH	0.12	0.10-0.40	0.20-0.50	0.07-0.12	0.020	0.2-0.45	0.30-0.65	0.25-0.50
Q295GNH	0.12	0.10-0.40	0.20-0.50	0.07-0.12	0.020	0.25-0.45	0.30-0.65	0.25-0.50
Q310GNH	0.12	0.25-0.75	0.20-0.50	0.07-0.12	0.020	0.25-0.55	0.30-1.25	0.65
Q355GNH	0.12	0.20-0.75	1.00	0.07-0.15	0.020	0.25-0.55	0.30-1.25	0.65
Q345GNHL	0.12	0.25-0.75	0.20-0.50	0.07-0.15	0.035	0.25-0.55	0.30-0.65	0.65
Q295GQR2	0.12	0.10-0.40	0.20-0.50	0.06-0.12	0.020	0.25-0.45	0.30-0.65	0.25-0.5
Q295GQR3	0.12	0.20-0.40	0.25-0.55	0.06-0.12	0.020	0.25-0.50	---	---
Q345NQR2	0.12	0.25-0.75	0.20-0.50	0.06-0.12	0.020	0.25-0.50	0.3-1.25	0.12-0.65
Q345NQR3	0.12	0.20-0.50	0.25-0.70	0.06-0.12	0.020	0.25-0.50	---	---
Q400NQR1	0.12	0.75	1.10	0.025	0.008	0.25-0.55	0.3-1.25	0.12-0.65
Q450NQR1	0.12	0.75	1.50	0.025	0.008	0.25-0.55	0.3-1.25	0.12-0.65
Q500NQR1	0.12	0.75	2.00	0.025	0.008	0.25-0.55	0.3-1.25	0.12-0.65
Q550NQR1	0.16	0.75	2.00	0.025	0.008	0.25-0.55	0.3-1.25	0.65

Mechanical Properties:

Carbon content (wt.%)	Microstructure	Properties	Examples
Low-carbon steel	< 0.25	Ferrite, pearlite	Low hardness and cost. High ductility, toughness, machinability and weldability	AISI 304, ASTM A815, AISI 316L
Medium-carbon steel	0.25 – 0.60	Martensite	Low hardenability, medium strength, ductility and toughness	AISI 409, ASTM A29, SCM435
High-carbon steel	0.60 – 1.25	Pearlite	High hardness, strength, low ductility	AISI 440C, EN 10088-3