Name: A36 Ss400 Q235B Q345 Hot Rolled Ms Carbon Steel Plate
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A36 Ss400 Q235B Q345 Hot Rolled Ms Carbon Steel Plate

Q235B:
Chemical Composition: Carbon (C) ≤ 0.22%, Manganese (Mn) ≤ 1.4%, Sulfur (S) ≤ 0.045%, Phosphorus (P) ≤ 0.045%. This steel is a low-carbon steel with excellent weldability.
Mechanical Properties: Yield Strength ≥ 235 MPa, Tensile Strength 370–500 MPa, Elongation ≥ 23% (Thickness ≤ 16 mm).
Standard: Conforms to GB/T 700. Widely used in construction, machinery manufacturing, and other fields.

Q345 (Low-Alloy High-Strength Steel):
Chemical Composition: Carbon (C) ≤ 0.20%, Manganese (Mn) 1.0–1.6%. Contains alloying elements such as vanadium (V) and niobium (Nb), resulting in higher strength.
Mechanical Properties: Yield Strength ≥ 345 MPa, Tensile Strength 470–630 MPa. Low-Temperature Toughness Improves Over Q235B.
Standard: Conforms to GB/T 1591, suitable for bridges, heavy machinery, etc.

Q235B:
Thickness range: 0.2–200mm, custom cutting supported
Q345:
Thickness range: 3–80mm, heat treatment services including quenching available

Products Description

Thickness	0.1-60mm (Or as custom's request)
Width	1250-2500mm (Or as custom's request)
Standard	ASTM EN DIN GB ISO JIS BA ANSI
Steel Grade	Q235,Q345,ST37, Q195, Q215, A36,45# ,16Mn, SPHC
Technique	hot rolled cold rolled (as custom's request)
Delivery time	Within 15 workdays
Standard	Grade
ASTM A36	A36/A36-B
ASTM A283	A283-B/A283C
ASTM A516	A516Gr70
JIS G 3101	SS400-B
JIS G3136	SN400B
EN10025-2:2004	S235JR-S355K2+N

Grade	Rank	Chemical Composition( %)
Grade	Rank	C	Mn	Si	S	P
Q195		0.06~0.12	0.25~0.50	≤0.3	≤0.05	≤0.045
Q215	A	0.09~0.15	0.25~0.55	≤0.3	≤0.05	≤0.045
Q215	B	0.09~0.15	0.25~0.55	≤0.3	≤0.045	≤0.045
Q235	A	0.14~0.22	0.30~0.65	≤0.3	≤0.05	≤0.045
	B	0.12~0.20	0.30~0.70	≤0.3	≤0.045	≤0.045
	C	≤0.18	0.35~0.80	-	≤0.04	≤0.04
	D	≤0.17	0.35~0.80	-	≤0.035	≤0.035

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Company Profile

Shandong Zhonglian Yongsheng Special Steel Co., Ltd. is a steel production enterprise that has been engaged in steel production, processing and sales for many years. Its main products include stainless steel series, carbon steel, galvanized steel and other profile products. It can also provide other metal products according to customer needs, with an annual export volume of about 1 million tons. It has five finishing production lines, three hot-dip galvanizing production lines, and two color coating production lines. It adopts advanced automatic width control system (AWC), automatic thickness control system (AGC), bending roll system, work roll guide roll system and other effective measures to ensure product quality. Its products are exported to more than 30 countries and regions including the United States, Canada, Spain, Russia, Iran, Saudi Arabia, Morocco, India, Pakistan, Malaysia, Singapore, Australia, New Zealand, etc. "Punctuality, integrity, and humanized service" have always been the development principles that the company and all employees have always adhered to.

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