Carbon Steel H-beam

H-shaped structural steel
Length	1000-15000mm,according to customer requirements
Flange Thickness	9.3
Flange Width	153
Web Width	157
Web Thickness	6.6
Standard	ASTM DIN GB JIS EN AISI
Tolerance	±1%
Surface Treatment	Galvanized,Polishing, Painting or according to clients requirements
Steel material	A36 A36B A992 A992B A572Gr50 A572BGr50
Technique	Hot Rolled/Cold Rolled/Welded
Payment Term	30% deposit+70% final payment
Price terms	EXW FOB CIF CFR

H Beam Specification
size	w/m	size	w/m	size	w/m
100*50*5*7	9.54	250*255*14*14	82.2	400*400*13*21	172
100*100*6*8	17.2	294*200*8*12	57.3	400*408*21*21	197
125*60*6*8	13.3	300*150*6.5*9	37.3	414*405*18*28	233
125*125*6.5*9	23.8	294*302*12*12	85	440*300*11*18	124
148*100*6*9	21.4	300*300*10*15	94.5	446*199*7*11	66.7
150*75*5*7	14.3	300*305*15*15	106	450*200*9*14	76.5
150*150*7*10	31.9	338*351*13*13	106	482*300*11*15	115
175*90*5*8	18.2	340*250*9*14	79.7	488*300*11*18	129
175*175*7.5*11	40.3	344*354*16*16	131	496*199*9*14	79.5
194*150*6*9	31.2	346*174*6*9	41.8	500*200*10*16	89.6
198*99*4.5*7	18.5	350*175*7*11	50	582*300*12*17	137
200*100*5.5*8	21.7	344*348*10*16	115	588*300*12*20	151
200*200*8*12	50.5	350*350*12*19	137	596*199*10*15	95.1
200*204*12*12	72.28	388*402*15*15	141	600*200*11*17	106
244*175*7*11	44.1	390*300*10*16	107	700*300*13*24	185
244*252*11*11	64.4	394*398*11*18	147	792*300*14*22	191
248*124*5*8	25.8	400*150*8*13	55.8	800*300*14*26	210
250*125*6*9	29.7	396*199*7*11	56.7	900*300*16*28	243
250*250*9*14	72.4	400*200*8*13	66

 

 

H-beam steel is manufactured and used according to various international standards to ensure quality and consistency. Some of the common standards include:

• American Institute of Steel Construction (AISC): This standard provides specifications for the design, fabrication, and erection of structural steel, including H-beams .
• European Standard (EN 10025): Specifies the grades of carbon steel and low-alloy steel for structural purposes, including H-beam steel .
• Japanese Industrial Standard (JIS G3192): Defines the dimensions, shape, weight, and permissible deviations for hot-rolled H-beams .

 

 

H-beam steel is produced in various grades, each with distinct mechanical properties:

• ASTM A36: A common structural steel grade in the United States with a minimum yield strength of 250 MPa .
• ASTM A992: Frequently used in North America for structural steel, with a minimum yield strength of 345 MPa .
• S235JR/S275JR/S355JR: European grades specified under EN 10025, with minimum yield strengths of 235 MPa, 275 MPa, and 355 MPa, respectively .
• SS400: A standard structural steel grade in Japan, with a minimum yield strength of 245 MPa .

H-beam steel is produced through a series of meticulous manufacturing processes that ensure its structural integrity and performance. Here's an overview of the production process:

 

Melting and Casting: The process begins with the melting of scrap steel in an electric arc furnace or a basic oxygen furnace to produce molten steel. This molten steel is then continuously cast into billets or blooms of appropriate sizes.

 

Rolling: The billets or blooms are reheated and passed through a series of rolling mills to form the desired H-shaped profile. This process involves hot rolling, where the steel is shaped at high temperatures

 

Caliber Rolling: In the roughing stage, caliber rolling is conducted to obtain the same cross-sectional shape as that of the rolls. After producing a near H shape by caliber rolling, the product is finished by a universal mill and an edging mill.

 

Cooling and Straightening: Post-rolling, the H-shaped steel sections are cooled and straightened to ensure dimensional accuracy and mechanical properties.

 

Cutting and Finishing: The H-shaped steel sections are cut to the required lengths and undergo surface treatment processes such as shot blasting or painting.

 

Steel Inspection: Finished H-beam steel undergoes inspection for size, shape, and accuracy. Adjustments or corrections are made if any discrepancies are detected.

 

Advanced Manufacturing Techniques: Modern manufacturing techniques, such as computer-aided design (CAD) and automated welding, ensure greater precision and consistency in the production of H-Beams.

 

Universal Rolling Mills: In modern steel rolling production, H-beams are rolled using universal rolling mills where the web of the H-beam is rolled between the upper and lower horizontal rolls, and the flanges are formed by the vertical rolls.

 

Water-Cooled Forming: The H-steel passes through a finishing mill to control the width of the flange, and the blank is repeatedly rolled several times, finally passing through a water-cooled forming process.

These steps combine to produce H-beam steel with precise dimensions and superior mechanical properties, making it a preferred choice for various structural applications in construction and engineering.

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