Hot roll steel tube - hwelle

Uses: Light metal constructions such as: commercial fences, handrails, scaffolding and road signs, among others.
Raw Material: Hot rolled.
Standard: ASTM – A – 569.
Length: 6.0 meters

Propiedades :

Dimensions
Mechanical properties
Chemical properties

Nominal Diameter (In)	External diameter (mm)	Thickness (mm)	Weight (Kg / mt)
1/2	20.0	1.90	0.865
1/2	20.0	2.00	0.906
3/4	26.0	1.90	1.152
3/4	26.0	2.00	1.207
1	32.0	2.00	1.494
1	32.0	2.30	1.718
1	32.0	2.60	1.942
1-1/4	41.3	2.30	2.255
1-1/4	41.3	2.60	2.549
1-1/2	47.6	2.30	2.622
1-1/2	47.6	2.60	2.945
1-1/2	47.6	2.90	3.306
2	60.3	2.30	3.357
2	60.3	2.60	3.775
2	60.3	2.90	4.233
2-1/2	73.0	2.60	4.606
2-1/2	73.0	2.90	5.137
3	88.9	2.90	6.273
4	114.3	2.90	8.126

DIMENSIONAL TOLERANCES: Length:

6.40 m ± 25 mm
12.80 m ± 25 mm

Thickness:

± 12.5% nominal thickness at any point of the tube.

Weight:

± 10% of the package of tubes with diameter smaller or equal of 4 "or individual tubes with nominal diameter greater than 4".

External diameter:

For diameters less than or equal to 1 1/2 ": +0.4 mm, -0.79 mm
For diameters greater than or equal to 2 ": 1%

QUALITY	R (Kg/mm2)	RE min (kg/mm2)	A % 8"
LAMINATED IN HOT	41.0/56.0	25.5	20
ASTM - A - 36	41.0/56.0	25.5	20
ASTM - A - 572 GRADE 50	43.6	32.5	21
SAE 1020	40	22.5	25
ASTM - A - 53	42	24.0

QUALITY	C	Mn	Si	Smax	Pmax
COLD ROLLED	0.15	0.60	-	0.040	0.035
ASTM - A - 366	0.15	0.60	-	0.040	0.035
ASTM - A - 619	0.10	0.50 Max	-	0.035	0.025
ASTM - A - 620	0.10	0.50 Max	-	0.035	0.025
LAMINATED IN HOT	0.15	0.60	-	0.040	0.035
ASTM - A - 569	0.15	0.60	-	0.040	0.035
ASTM - A - 36	0.25	-	-	0.050	0.040
ASTM - A - 572 GRADE 50	0.23	1.35	-	0.050	0.040
SAE 1020	0.20	30/50	-	0.050	0.040
API5L GRADE B	0.30	1.20	-	0.045	0.050
ASTM - A - 53	0.30	1.20	-	0.045	0.050