Q235B Prime Building Materials Hot Rolled for Construction Steel H Beam

• Grade: Q235B/Q345b/Ss400/A36/St37
• Standard: AISI, JIS, ASTM, DIN, BS, GB
• Certification: IS0, SGS
• Application: Construction
• Technique: Hot Rolled
• Web Width: 100~900mm
• Model NO.: 350x350x12x19mm
• Web Thickness: 6~35mm
• Flange Width: 75-400mm
• Flange Thickness: 8~28mm
• Length: 6m or 12m
• Transport Package: in Bundles with Steel Strips
• Specification: 350x350x12x19mm
• Trademark: JINXI, Lai Steel
• Origin: Shandong Province, China
• Production Capacity: 8000tons Per Month

Product Description

1. Product Description
1) Standard:ASTM A36,SS400,Q235B ,Q345B,ST37-2,EN10272,JIS4303,JIS G 4311,JIS G4318.
2) The thickness of the web 6-16mm  The width of the web 100-300mm.
3) length: as demand.
4) Condition:cold drawn,hot rolled.
4) Surface:Bright(cold drawn,smooth turned),Black (Hot rolled, hot forged).
6) Packing:standard export packing or as demand.
7) Payment:30% advanced T/T and 70% balance against copy of B/L.
8) Application:architecture and engineering structure, such as beam, Bridges, transmission tower, ship  high-rise building  lifting transportation machinery.

2. Application
H profile steel, an economic and efficient cross-section material with better arrangement of sectional area and reasonable proportion between strength and weight, is widely used in industrial plants, civil buildings, bridges, electrified brackets of railway and other building projects, due to its advantages in bending ability, simple construction, low cost and light weight.
With abundant technical strength and advanced equipments, we have been undertaking kinds of design and manufacture of uniform and variable cross-section H-beams.

3. H beams sizes with GB standard

ACCORDING TO STANDARD: JIS G3192 OR GB/T11263-2005
H beam Section size (mm)			Weight (kg/m)
Height×Breadth	Web thickness	Flange thickness
100×100	6	8	16.9
125×125	6.5	9	23.6
150×150	7	10	31.1
175×175	7.5	11	40.4
200×200	8	12	49.9
250×250	9	14	71.8
300×300	10	15	93.0
300×300	15	15	105.0
350×350	12	19	134.9
400×400	13	21	171.7
148×100	6	9	20.7
194×150	6	9	29.9
244×175	7	11	43.6
294×200	8	12	55.8
340×250	9	14	78.1
390×300	10	16	104.6
440×300	11	18	120.8
482×300	11	15	110.8
488×300	11	18	124.9
582×300	12	17	132.8
588×300	12	20	147.0
100×50	5	7	9.3
125×60	6	8	13.1
150×75	5	7	14.0
175×90	5	8	18.0
198×99	4.5	7	17.8
200×100	5.5	8	20.9
248×124	5	8	25.1
250×125	6	9	29.0
298×149	5.5	8	32.0
300×150	6.5	9	36.7
346×174	6	9	41.2
350×175	7	11	49.4
396×199	7	11	56.1
400×200	8	13	65.4
446×199	8	12	65.1
450×200	9	14	74.9
496×199	9	14	77.9

Chemical Composition of JIS (Japanese Standard) 

Grade	Thicknessmm	C(%)	Si(%)	Mn(%)	P(%)	S(%)
SS400	--	--	--	--	≤0.050	≤0.050
SM490A	≤50	≤0.20	≤0.55	≤1.60	≤0.035	≤0.035
	>50-200	≤0.22	≤0.55	≤1.60	≤0.035	≤0.035
SM490B	≤50	≤0.18	≤0.55	≤1.60	≤0.035	≤0.035
	>50-200	≤0.20	≤0.55	≤1.60	≤0.035	≤0.035

Mechanical Properties of JIS(Japanese Standard) 

Grade	Yield Strength		Tension Strength (MPa)	Elongation		180Cold-Bend Test R-Pin Diameter A-Thickness	Akv(0ºC)/J
	Thicknessmm	ΣS≥(MPa)		Thickness (mm)	Δ≥(%)
SS400	≤16	245	400-510	Plate, Strip, Flat Bars		R=1.5A
				≤5	21
	>16-≤40	235		5-16	17
				16-50	21
				>40	23
	>40	215		Bars, Angles		R=1.5A
				≤25	25
				>25	30
SM490A	≤16	325	490-610	≤5	22	--	--
	>16-≤40	315		5-16	17
				16-50	21
	>40	295		>40	23
SM490B	≤16	325	490-610	≤5	22	--	≥27
	>16-≤40	315		5-16	17
				16-50	21
	>40	295		>40	23

Chemical Composition of GB (Chinese Standard) 

Grade	Grade	C (%)	Mn (%)	Si	P	S	V (%)	Nb (%)	Ti (%)
				≤(%)
Q195	-	0.06-0.12	0.25-0.50	0.30	0.050	0.045	-	-	-
Q215	A	0.09-0.15	0.25-0.55	0.30	0.050	0.045	-	-	-
	B				0.045		-	-	-
Q235	A	0.14-0.22	0.30-0.65	0.30	0.050	0.045	-	-	-
	B	0.12-0.20	0.30-0.70		0.045		-	-	-
Q345	A	≤0.20	1.00-1.60	0.55	0.045	0.045	0.02 -0.15	0.015 -0.060	0.02 -0.20
	B				0.040	0.040

Mechanical Properties of GB (Chinese Standard) 

Grade	Yield Strength		Tension Strength (MPa)	Elongation		180°Cold-Bend Test R-Pin Diameter A-Thickness		Charpy V-notch Impact Test (Longitudinal)
	Thickness (mm)	ΣS≥ (MPa)		Thickness (mm)	Δ ≥(%)	Longitudinal	Transverse	TemperatureºC	AKV/J≥
Q235	≤16	235	375-500	≤16	26	A	1.5A	20	27
	>16-40	225		>16-40	25
	>40-60	215		>40-60	24			0
	>60-100	205		>60-100	23	2A	2.5A
	>100-150	195		>100-150	22	2.5A	3A	-20
	>150	185		>150	21
Q345	≤16	345	470-630	21		-	-	20	34
	>16-35	325
	>35-50	295
	>50-100	275

4. Regarding Our Company & Contact Details

Main product:
·Steel Profile:H-Beam/I-Beam/Equal Angle/Unequal Angle/U Channel /Flat Bar
·Steel Plate:Hot Rolled Coil/Hot Rolled Checkered Coil/Cold Rolled Coil
·Wire Bar: Round Bar /Wire Rod/Deformed Steel Bar
·Steel Pipes: Seamless Pipe, Square/Round Pipes, Galvanized steel pipe
·Galvanized Steel: Angle/Channel/I-Beam/Round Bar/Flat Bar/Round-Square Pipe
Contact
Salesman	Ada wang