En 10210 S355j2h Hot Finished Rhs Chs Rectangular Square Hollow Section Tube

• Type: Welded
• Technique: ERW
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Machinery Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Rectangular
• Model NO.: KM-307
• Diameter: 20~3020mm in Theory
• MOQ: 10 Mt/Size
• Deliver Lead-Time: 10-15 Days After Receipt by T/T, or L/C
• Loading Port: Chinese Main Port
• Certificate: ISO
• Transport Package: Standard Sea-Worthy Package
• Specification: 5.5, 6.5, 7, 8, 9, 10, 12, 14mm and More
• Trademark: Kingmetal
• Origin: China
• Production Capacity: 10000tons/Month

Product Description

Chemical Composition for Hot Finished Hollow Section tube
Chemical composition - ladle analysis
	Hollow Section tube
Specification	EN10210 S355J2H Part 1: 2006
	% max
Carbon	0.22
Silicon	0.55
Manganese	1.60
Sulphur	0.030
Phosphorus	0.030
Carbon equivalent (CEV) mat T≤16mm	0.45
Type of deoxidation	Fully killed steel

Mechanical Properties
Specification	EN10210 S355J2H Part 1: 2006
Tensile Strength Rm N/mm^2: 3 ≤ T ≤ 100mm	470 - 630
Yield Strength ReH Min, N/mm^2: T ≤ 16mm	355
Min Elongation % T ≤ 40mm on gauge length 5.65. √S0	22
Impact properties Minimum Ave energy (J) at -20°C	27

Dimensional tolerances EN10210: 2006 Part 2
	Square/Rectangular	Circular/Ovals
Outside dimension (D B and H)	±1% with a min of ±0.5mm	Circular ±1% with a min of ±0.5mm and maximum of ±10mm
Thickness (T)	-10% Note. Positive deviation limited by mass tolerance	-10% Note. Positive deviation limited by mass tolerance
Squareness of side	90 degrees ±1 degree	-
External corner profile	2T max at each corner* (EN10210 has 3T max).	-
Concavity/convexity (x)	±1% of the side, measured independently of the tolerance on the outside dimension	-
Twist (V)	2mm plus 0.5mm/m max. Section is placed on a flat surface with one end held flat. At the other end the height difference of the two lower corners is taken.	-
Mass (M)	±6% on individual lengths	±6% on individual lengths
Straightness	Max 0.2% of total length & 3mm over every 1m length	Maximum 0.2% of the total length & 3mm over every 1m length. (The permitted tolerance is twice the value for H<250)
Length	+150mm/-0mm	+150mm/-0mm

* Excludes RHS 250 x 200, which is 3T max at each corner in line with EN10210

EN10210 - length and tolerances
Outside Diameter	Welded
mm	Thickness mm	Standard mill lengths m	Special mill lengths m*	Tolerance mm
21.3 - 42.4	All	6.0, 6.4, 7.5	5.4 - 7.5	+150-0
48.3	All	6.0, 6.4, 7.5 & 10.0	5.4 - 14.6	+150-0
60.3 - 114.3	All	6.0, 6.4, 7.5 & 10.0	5.0 - 14.6	+150-0
139.7	All	7.5 & 10.0	6.0 - 14.5	+150-0
168.3 - 193.7	All	7.5, 10.0 & 12.0	6.0 - 14.6	+150-0
219.1 - 508.0	All	10.0 & 12.0	6.0 - 14.6	+150-0