China En 10210 S355j2h Hot Finished Rhs Chs Rectangular Square Hollow Section Tube, Find details about China En10210 S355j2h Rectangular Pipe, S355j2h Square Pipe from En 10210 S355j2h Hot Finished Rhs Chs Rectangular Square Hollow Section Tube
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/mm2: 3 ≤ T ≤ 100mm | 470 - 630 |
Yield Strength ReH Min, N/mm2: 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 |