ERW Steel Hollow Section

Product Detail

Should you're interested in the low price erw steel hollow section, welcome to get the free sample from our factory and check the quotation with us. As one of the leading such manufacturers and suppliers in China, we will offer you a discount.
Basic Info

• Technique: ERW

• Surface Treatment: Black

• Section Shape: Square

• Trademark: Juncheng

• Origin: Tianjin 

• Type: Welded

• Material: Carbon Steel

• Usage: Construction & Decoration

• Steel Grade: Q195,Q235,Q345

• HS Code: 7306610000

Product Description

Tianjin Juncheng Yahe International Trade Co., Ltd mainly export Galvanized steel pipe/tube; Welded steel pipe/tube; Square pipe/tube; Seamless steel pipe; Galvanized steel coil; Angle steel; H beam; Channel beam; C beam/Riffled sheet; Square bar etc

 
Mechanical character & Chemical element of normal material:

Material Chemical Composition (%)	Q195	C	Mn	Si	S	P
		0.06-0.12	0.25-0.50	≤0.30	≤0.050	≤0.045
		Tensile strength: 315-430(Mpa)
		Yield strength:195(Mpa)
		Elongation:33
	Q235	C	Mn	Si	S	P
		0.12-2.0	0.3-0.70	≤0.30	≤0.045	≤0.045
		Tensile strength: 375-460(Mpa)
		Yield strength:235(Mpa)
		Elongation:26
	Q345	C	Mn	Si	S	P	V
		≤0.20	≤1.70	≤0.55	≤0.040	≤0.040	0.02-0.15
		Tensile strength: 470-630(Mpa)
		Yield strength:345(Mpa)
		Elongation:21

 

Normal dimension of steel pipe
Square (SHS)		Rectangular(RHS)		Circle (CHS)
Out dia. (mm)	Wall thickness (mm)	Out dia. (mm)	Wall thickness (mm)	Out dia. (mm)	Wall thickness (mm)
10x10	0.5-1.0	10x20	0.6-1.0	10	0.5-1.0
12x12	0.5-1.0	12x25	0.6-1.0	12	0.6-1.0
16x16	0.6-1.2	20x40	0.6-1.6	16	0.6-1.0
19x19	0.6-1.5	25x50	0.8-2.75	19	0.6-1.5
20x20	0.6-1.6	30x50	0.8-3.0	20	0.6-1.5
25x25	0.8-2.75	30x60	0.8-3.0	21.5	0.6-1.5
30x30	0.8-2.75	40x60	1.0-4.0	25	0.8-2.75
32x32	1.0-3.0	40x80	1.5-4.0	27	0.8-2.75
38x38	1.0-3.0	50x75	1.5-4.0	32	0.8-3.0
40x40	1.0-3.5	50x100	2.0-6.0	38.1	1.0-3.0
50x50	1.0-5.0	50x125	2.0-6.0	42.5	1.0-3.5
60x60	1.0-6.0	50x150	3.0-6.0	48.4	1.0-5.0
63.5x63.5	1.0-6.0	60x80	1.5-6.0	50.8	1.0-5.0
70x70	1.5-6.0	60x100	2.0-6.0	63.5	1.0-6.0
75x75	1.5-6.0	60x120	2.0-6.0	68	1.2-6.0
80x80	2.0-6.0	75x100	2.0-6.0	70	1.2-6.0
90x90	2.0-6.0	75x125	2.0-6.0	73	1.4-6.0
100x100	2.3-6.0	75x150	3.0-6.0	76	1.4-6.0
120x120	3.0-6.0	80x120	2.0-6.0	80	2.0-6.0
125x125	3.0-6.0	80x160	3.0-6.0	89	2.0-6.0
150x150	3.5-8.0	100x150	4.0-12	90	2.0-6.0
200x200	4.0-12	100x175	4.0-12	95	2.0-6.0
250x250	5.0-12	100x200	4.0-12	100	2.3-6.0
300x300	5.0-14	150x200	4.0-12	102	2.3-6.0
350x350	6.0-14	150x250	4.0-14	108	2.3-6.0
400x400	6.0-18	150x300	5.0-16	110	2.3-6.0
500x500	8.0-20	200x300	5.0-16	114	2.3-6.0
600x600	8.0-20	200x400	6.0-16	133	3.0-6.0
		300x500	6.0-20	140	3.0-8.0
		400x600	8.0-20	152	3.0-8.0
				165	3.0-8.0
				190	3.5-12
				200	4.0-12
				219	4.0-12
				273	4.0-14
				325	5.0-16
				377	5.0-16
				426	6.0-20