H Section

Pipe Type:Structural H Beam,H Beam ,H section,Carbon Steel H-beam,Stainless Steel H-beam，

Galvanized H Beam,Aluminum H Beam,Alloy H Beam,Wide Flange Beam,High-Spec H-Beams,Patterned H-Beams

Size:100*50-700*300mm

Web Thickness:5-16mm

Web Width:50--300mm

Flange Thickness:4.5-23mm

Flange Width:50-400mm

Length:1-12m or as customer request

Standard:AISI,ASTM,DIN,JIS,GB ,JIS,SUS,EN,BS ISO.etc

Shape:H Channel/I Channel

Technique:Hot rolled/Cold Rolled/Galvanized

Edge:Mill Edge/ Silt Edge 

Surface Treatment:Hot Dip Galvanized, Painting or Black.

Application:Construction,Decoration,Ship,Medical Equipment,Machinery,Mechanical&manufacture,Steel structure,Shipbuilding,Bridging, Automobile chassis

Steel Grade:
1015,1020,1035,1045,1055,1060,1213,1140,1215,9255,9262,1039,1025,1335,1330,1050,1095,

4520,2515,3135,3415,3310,9840,8620,8740,4340,5015,5132,5140,5115,5155,4130,4137,4135,4140,

4142,6150,Ck10,Ck15,Ck22,Ck25,Ck30,Ck35,Ck40,Ck45,Ck50, 30Mn4,40Mn4 12Cr1MoV Cr5Mo

15CrMo 30CrMo 40CrMo 20SiMn 12Cr1MoVG 20CrNiMo 15CrMoG A3642CrMo 40CrNiMoA 50CrV

Stainless steel H-beam:

Length:1-12m or as customer's request
height:100-1000mm   
Width:100-407mm
Thickness:4.0mm-35mm   
Tolerance:±0.05mm
Standard:AISI,ASTM,DIN,JIS,GB ,JIS,SUS,EN,etc
Technique:Hot rolled / cold rolled
Surface Treatment:No.1/No.3/No.4/HL/1D/8K
Material:201, 202, 301, 302, 303, 304, 304L, 304H, 310S, 316, 316L, 317L, 321,310S,309S, 410, 410S,420, 430, 431, 440A,904L
Application：Mechanical&manufacture,Steel structure,Shipbuilding,Bridging, Automobile chassis

Carbon Steel H-beam：

Height:100-900mm  
Width:50-400mm 
Web thickness:5-30mm      
Flange thickness:7-40mm
Standard:ASTM,AISI,JIS,DIN,EN,BS
Processing Type:Cutting, bending,stamping,welding,cnc machining
Cutting Type :Laser cutting;water-jet cutting;flame cutting 
Surface Treatment：1),Bared2),Black painted (varnish coating)3),Galvanized4),With oiled-covered
Application:Construction,Decoration,Ship,Medical Equipment,Machinery,etc 
Technique:Hot Rolled    Edge:Mill Edge/ Silt Edge 
Grade：1015,1020,1035,1045,1055,1060,1213,1140,1215,9255,9262,1039,1025,1335,1330,1050,1095,

4520,2515,3135,3415,3310,9840,8620,8740,4340,5015,5132,5140,5115,5155,4130,4137,4135,4140,

4142,6150,Ck10,Ck15,Ck22,Ck25,Ck30,Ck35,Ck40,Ck45,Ck50, 30Mn4,40Mn4 12Cr1MoV Cr5Mo

15CrMo 30CrMo 40CrMo 20SiMn 12Cr1MoVG 20CrNiMo 15CrMoG A3642CrMo 40CrNiMoA 50CrV

Wide Flange Series

Classification (Height × Flange width)	Standard cross-section dimensions (mm)				Cross-sectional area(cm3）	Unit mass (kg/m)
	H×B	t1	t2	r
100×100	*100×100	6	8	8	21.59	16.9
125×125	125×125	6.5	9	8	30.00	23.6
150×150	150×150	7	10	8	39.65	31.1
175×175	175×175	7.5	11	13	51.43	40.4
200×200	200×200 *200×204	8 12	12 12	13 13	63.53 71.53	49.9 56.2
250×250	*244×252 250×250 *250×255	11 9 14	11 14 14	13 13 13	81.31 91.43 103.9	63.8 71.8 81.6
300×300	*294×302 300×300 *300×305	12 10 15	12 15 15	13 13 13	106.3 118.5 133.4	83.4 93.0 105.0
350×350	*344×348 *344×354 350×350	10 16 12	16 16 19	13 13 13	144.0 164.6 171.9	113.0 129.0 135.0
400×400	400×400	13	21	22	218.7	172.0

 

Medium Flange Series

Classification (Height × Flange width)	Standard cross-section dimensions（mm）				Cross-sectional area(cm3）	Unit mass (kg/m)
	H×B	t1	t2	r
200×150	194×150	6	9	8	38.11	29.9
250×175	244×175	7	11	13	55.49	43.6
300×200	294×200	8	12	13	71.05	55.8
350×250	340×250	9	14	13	99.53	78.1
400×300	390×300	10	16	13	133.30	105
450×300	440×300	11	18	13	153.90	121
500×300	482×300 488×300	11 11	15 18	13 13	141.2 159.2	111 125
600×300	582×300 588×300 594×302	12 12 14	17 20 23	13 13 13	169.20 187.20 217.10	133 147 170
700×300	692×300 700×300	13 13	20 24	18 18	207.50 231.50	163 182
800×300	792×300 800×300	14 14	22 26	18 18	239.50 263.50	188 207
900×300	*890×299 900×300 *912×302	15 16 18	23 28 34	18 18 18	266.90 305.80 360.10	210 240 283

 

Narrow Flange Series

Classification (Height × Flange width)	Standard cross-section dimensions（mm）				Cross-sectional area(cm3）	Unit mass (kg/m)
	H×B	t1	t2	r
200×100	*198×99 200×100	4.5 5.5	7 8	8 8	22.69 26.67	17.8 20.9
250×125	248×124 250×125	5 6	8 9	8 8	31.99 36.97	25.1 29.0
300×150	298×149 300×150	5.5 6.5	8 9	13 13	40.80 46.78	32.0 36.7
350×175	346×174 350×175	6 7	9 11	13 13	52.45 62.91	41.2 49.4
400×200	396×199 400×200	7 8	11 13	13 13	71.41 83.37	56.1 65.4
450×200	446×199 450×200	8 9	12 14	13 13	82.97 95.43	65.1 74.9
500×200	496×199 500×200 *506×201	9 10 11	14 16 19	13 13 13	99.29 112.30 129.30	77.9 88.2 102.0
600×200	596×199 600×200 *606×201	10 11 12	15 17 20	13 13 13	117.80 131.70 149.80	92.5 103.0 118.0

 

Classification (Height × Flange width)	Reference
	Second moment of area(cm4)		Radius of gyration of area(cm)		Section modulus(cm3)
	lx	ly	ix	iy	zx	zy
200×100	1,540 1,810	113 134	8.25 8.23	2.24 2.24	156 181	22.9 26.7
250×125	3,450 3,960	255 294	10.40 10.40	2.82 2.82	278 317	41.1 47.0
300×150	6,320 7,210	442 508	12.40 12.40	3.29 3.29	424 481	59.3 67.7
350×175	11,000 13,500	791 984	14.50 14.60	3.88 3.96	638 771	91.0 112.0
400×200	19,800 23,500	1,450 1,740	16.60 16.80	4.50 4.56	999 1.170	145.0 174.0
450×200	28,100 32,900	1,580 1,870	18.40 18.60	4.36 4.43	1,260 1,460	159.0 187.0
500×200	40,800 46,800 55,500	1,840 2,140 2,580	20.30 20.40 20.70	4.31 4.36 4.46	1,650 1,870 2,190	185.0 214.0 256.0
600×200	66,600 75,600 88,300	1,980 2,270 2,720	23.80 24.00 24.30	4.10 4.16 4.26	2,240 2,520 2,910	199.0 227.0 270.0

High-Spec H-Beams

Standard	Type code	Chemical composition　Unit:(％)								Unit:(％)
	Spec code	C (max.)	Si (max.)	Mn	P (max.)	S (max.)	Cu (max.)	Cr*6 (max.)	Sn (max.)	Ceq	Pcm
JIS G 3101	SS400	-	-	-	0.050	0.050	-	-	-	-	-
	YHS-SS400	0.20	0.35	0.80 or lower	0.030	0.015	0.40	0.25	0.040	0.36 or lower	-
JIS G 3136	SN400B	0.20	0.35	0.60 – 1.40	0.030	0.015	-	-	-	0.36 or lower	(0.26 or lower) *4
	YHS-SN400B	0.20	0.35	0.60 – 1.40	0.030	0.015	0.40	0.25	0.040	0.36 or lower	0.26 or lower
JIS G 3106	SM490A	0.20	0.55	1.65 or lower	0.035	0.035	-	-	-	-	-
	YHS-SM490A	0.18	0.40	1.50 or lower	0.030	0.013	0.40	0.25	0.035	0.44 or lower	0.29 or lower
JIS G 3136	SN490B	0.18	0.55	1.60 or lower	0.030	0.015	-	-	-	0.44 or lower	(0.29 or lower) *4
	YHS-SN490B	0.18	0.40	1.50 or lower	0.030	0.013	0.40	0.25	0.035	0.44 or lower	0.29 or lower

 

 

Standard	Type code	Mechanical properties							Shape/ Dimensional standard	Product's internal properties
	Spec code	Yield point *1 （N/mm2）		Tensile strength	Yield ratio *2	Elongation（％）		Impact value(０℃)*3
		Steel thickness(mm)	（N/mm2）	（N/mm2）	（％）	Steel thickness(mm)	（％）	（J）
JIS G 3101	SS400	t≦16	245 or higher	400 – 510	-	5＜t≦16	17 or higher	-	JIS G 3192
		16＜t≦40	235 or higher			16＜t≦50	21 or higher
	YHS-SS400	245 – 355		400 – 510	-	21 or higher		27 or higher
JIS G 3136	SN400B	6≦t＜12	235 or higher	400 – 510	80 or lower	6≦t≦16	18 or higher	27 or higher	JIS G 3136
		12≦t≦40	235 – 355			16＜t≦50	22 or higher
	YHS-SN400B	235 – 355		400 – 510	80 or lower	22 or higher		70 or higher		*5
JIS G 3106	SM490A	t≦16	325 or higher	490 – 610	-	5＜t≦16	17 or higher	-	JIS G 3192
		16＜t≦40	315 or higher			16＜t≦50	21 or higher
	YHS-SM490A	325 – 445		490～610	80 or lower	21 or higher		70 or higher		*5
JIS G 3136	SN490B	6≦t＜12	325 or higher	490 – 610	80 or lower	6≦t≦16	17 or higher	27 or higher	JIS G 3136
		12≦t≦40	325 – 445			16＜t≦50	21 or higher
	YHS-SN490B	325 – 445		490 – 610	80 or lower	21 or higher		100 or higher		*5

 

Patterned H-Beams

Deck type	Surface pattern	Name	Material type
Yamato Deck	Circular dot pattern	YDB（Yamato Deck Beam)	SM490A type
General Deck	Grid pattern	YSB（Yamato Striped Beam）

 

◆Cross-section dimensions, cross-sectional area, unit mass and characteristics

Name	Cross-section dimensions（mm）				Cross-sectional area(cm2）	Unit mass (kg/m)
	H×B	t1	t2	r
YDB	191.5×197	5.8	7.8(8.2)	13	44.27	34.7
YSB	196×197	6	8	13	47.39	37.2

 

Name	Second moment of area(cm4)		Radius of gyration of area(cm)		Section modulus (cm3)
	lx	ly	ix	iy	zx	zy
YDB	3,120	1,040	8.40	4.85	322	106
YSB	3,408	1,165	8.48	4.96	348	118

 

◆Chemical composition
(Chemical composition and mechanical properties are the same for YDB and YSB)

C	Si	Mn	P	S
0.20％ or lower	0.55％ or lower	1.65％ or lower	0.035％ or lower	0.035％ or lower

 

◆Mechanical properties

Yield point and proof strength	Tensile strength	Elongation
325N/mm2 or higher	490～610N/mm2	17％ or higher