Q235 Q355 H Channel Steel

Q235 steel is a carbon structural steel. It is equivalent to A3 and C3 steel in the old standard GB700-79 grade, which is the grade of Russian TOCT. The Q in the steel number stands for yield strength. Under normal circumstances, the steel is used directly without heat treatment. Q355B material is a low-alloy high-strength structural steel, where "Q" means yield strength, 355 means that the yield strength of this steel is 355MPa, and its yield value will decrease as the thickness of the material increases.

Products Description

Q235 Steel (Q235A Q235B Q235C Q235D)

Q235 steel is a plain carbon structural steel which is widely used in China, Q235 material in Chinese standard GB/T 700 is divided into 4 quality grades: Q235A, Q235B, Q235C and Q235D; Density of this steel is 7.85 g/cm3, tensile strength is 370-500 MPa; yield strength is 235 MPa (data are for steel bar or steel plate diameter ≤ 16mm). Since it's mild steel, it is used directly without heat treatment.

Q235 Physical Properties

Physical Properties	Metric	US/Imperial
Density	7.85 g/cc	0.284 lb/in³

Q355 Steel (Q355B Q355C Q355D)

Q355 steel is a Chinese low alloy high strength structural steel, which replaced Q345, the material density is 7.85 g/cm3. According to GB/T 1591 -2018, Q355 has 3 quality levels: Q355B, Q355C and Q355D. "Q" is the first letter of Chinese Pinyin: "qu fu dian", which means Yield Strength, "355" is the minimum value of yield strength 355 MPa for steel thickness ≤16mm, and tensile strength is 470-630 Mpa.

Q355 Physical Properties

Physical Properties	Metric	US/Imperial
Density	7.80 g/cc	0.282 lb/in³

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Product Details

Product Name	Q235 Q355 h channel steel
Length	As your required
Standard	ASTM/ GB/ JIS/ EN ect.
Delivery Time	According to your quantity
Payment Terms	FOB/ CIF/ EXW/ DDP
Origin	China
Sample	Yes
Tolerance	±0.3
Packing	Packed with steel belts tightly, in bundle

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