En 10210 S355j2h Hot Finished Rhs Chs Rectangular Square Hollow Section Tube
Guangzhou Kingmetal Steel Industry Co., Ltd.- Type：Welded
- Technique：ERW
- Material：Carbon Steel
- Surface Treatment：Black
- Usage：Pipeline Transport, Machinery Industry, Mining, Construction & Decoration, Special Purpose
- Section Shape：Rectangular
Base Info
- 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
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/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
