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RHS & SHS

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Specification

CHEMICAL & MECHANICAL COMPOSITION OF PROFILE SECTIONS

Standard	Grade	Method of Deoxidization	% Chemical Components%														Mechanical Property
			C≤	Si≤	Mn≤	P≤	S≤	Nb≤	V≤	Ti≤	Als≥	Co≤	Cu≤	Ni≤	Cr≤	Mo≤	(N/MM2) T.S	（N/MM2) Y.S		Elongation A(%)	Impact Power
			C≤	Si≤	Mn≤	P≤	S≤	Nb≤	V≤	Ti≤	Als≥	Co≤	Cu≤	Ni≤	Cr≤	Mo≤	(N/MM2) T.S	≤16	16~40	Elongation A(%)	20℃	0℃	-20℃
GB	Q235B	Z	0.2	0.35	1.4	0.045	0.045										370-500	≥235	≥225	≥26	≥27
	Q345B	Z	0.2	0.5	1.7	0.035	0.035	0.07	0.2	0.2							470-630	≥345	≥325	≥21	≥34
	Q420B	Z	0.2	0.5	1.7	0.035	0.035	0.07	0.2	0.2							520-680	≥420	≥400	≥18	≥34
	Q420C	Z	0.2	0.5	1.7	0.03	0.03	0.07	0.2	0.2	0.015						520-680	≥420	≥400	≥19		≥34
	Q460C	Z	0.2	0.6	1.8	0.03	0.03	0.11	0.2	0.2	0.015						550-720	≥460	≥440	≥17		≥34
JIS	SS400	Z				0.05	0.05										400-510	≥245	≥235	≥23
JIS	SS540	Z			1.6	0.04	0.04										≥540	≥400	≥390	≥17
EN	S235JR	Z	0.17		1.4	0.035	0.035										360-510	≥235	≥225	≥26	≥27
	S235JO	Z	0.17		1.4	0.03	0.03										360-510	≥235	≥225	≥26		≥27
	S235J2	Z	0.17		1.4	0.025	0.025										360-510	≥235	≥225	≥24			≥27
	S275JR	Z	0.21		1.5	0.035	0.035										410-560	≥275	≥265	≥23	≥27
	S275JO	Z	0.18		1.5	0.03	0.03										410-560	≥275	≥265	≥23		≥27
	S275J2	Z	0.18		1.5	0.025	0.025										410-560	≥275	≥265	≥21			≥27
	S355JR	Z	0.24	0.55	1.6	0.035	0.035										470-630	≥355	≥345	≥22
	S355JO	Z	0.2	0.55	1.6	0.03	0.03										470-630	≥355	≥345	≥22
	S355J2	Z	0.2	0.55	1.6	0.025	0.025										470-630	≥355	≥345	≥22
ASTM	A36	Z	0.25	0.4		0.04	0.05										400-550	≥250	≥250	≥23
	A572-50	Z	0.23	0.4	1.35	0.4	0.05	0.05	0.15	0.15							≥450	≥345	≥345	≥21
	A572-60	Z	0.26	0.4	1.3	0.04	0.05	0.05	0.15	0.15							≥520	≥415	≥415	≥18
	A992	Z	0.23	0.4	0.5~1.5	0.035	0.045	0.05	0.11			0.05	0.6	0.45	0.35	0.15	≥450	≥345		≥21
shipbuilding	A	Z	0.21	0.5	≥2.5C	0.035	0.035										400-520	≥235	≥235	≥22
shipbuilding	B	Z	0.21	0.35	0.8~1.2	0.035	0.035										400-520	≥235	≥235	≥22		≥27

Remark:

1, If you can’t find the grade you looking for in the listing here, please let us know and we’ll help you find it!

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Material					Carbon steel & Stainless steel
Manufacture standard					GB、JIS、EN、ASTM、Shipbuilding
Manufacture Process					High-frequency welding
Standard length					6M/12M/Randon Length or indent according client’s request.
Other processing					Cutting/bending/Hot dip galvanizing /spraying painting/punching/sand blasting/anti-rust oil
Application					Mechanical manufacture, steel structure, and etc.

RHS & SHS Specification
Size (MM)	Thk. (MM)	Size (MM)	Thk. (MM)	Size (MM)	Thk. (MM)	Size (MM)	Thk. (MM)	Size (MM)	Thk. (MM)
20*20	1.0		1.3	75*75	1.5	130*130	2.5~2.75	300*350	4.75~7.75
	1.3	25*50	1.4	80*80	1.7	135*135	3.0~4.0	300*400	9.5~11.75
	1.4	40*40	1.5	60*90	1.8	140*140	4.5~6.0	350*350	12.5~14.75
	1.5	30*50	1.7	60*100	2.0	150*150	6.25~7.75	250*450	15.5~17.75
	1.7	30*60	1.8	50*100	2.2	200*100	9.5~15		4.5~5.75
	2.0	40*50	2.0	60*120	2.5~4.0	160*160	2.5~3.75	300*450	7.5~11.75
	1.3	40*60	2.2	50*120	4.25~5.0	180*180	4.5~5.0	300*500	12.5~13.75
	1.4	50*50	2.5~4.0	80*100	5.25~5.75	250*100	5.25~9.75	400*400	14.5~15.75
25*25	1.5		4.25~5.0		1.5	200*150	11.5~15		16.5~17.75
	1.7		5.25~6.0	100*100	1.7	150*250	3.0~3.25	200*600	4.5~5.75
20*30	1.8		1.3	110*110	1.8	100*300	3.5~5.75	300*600	7.5~9.75
	2.0		1.4	80*120	2.0	150*300	7.5~7.75	400*500	11.5~13.75
	2.2	60*60	1.5	125*75	2.2	200*200	9.5~11.75	400*600	14.5~15.75
	2.5~3.0	50*70	1.7		2.5~5.0		12.5~15.75	500*500	16.5~17.75
30*30	1.3	40*80	1.8	140*60	5.25~6.0	200*300	4.5~5.75	600*600	10~50
	1.4		2.0	50*150	6.5~7.75	250*250	7.5~9.75	700*700	10~50
20*40	1.5	70*70	2.2		9.5~13	100*400	11.5~12.75	800*800	10~50
	1.7	60*80	2.5~4.0	120*120	2.5~2.75	200*250	12.5~15.75	900*900	10~50
30*40	1.8	100*40	4.25~5.0	140*80	3.0~4.0	200*350	4.75~7.75	1000*1000	20~50
25*40	2.0	100*50	5.25~6.0	160*80	4.25~6.0	200*400	9.5~11.75	1100*1100	20~50
	2.2			100*150	6.5~7.75	300*300	12.5~14.75	1200*1200	20~50
	2.5~3.0				9.5~15		15.5~17.75	1500*1500	20~50

Remark: 1. The listed weight is based on carbon steel Weight of stainless steel need to confirm with
hongkong shunyun’s sales
2, If you can’t find the size you looking for in the listing here, please let us know and we’ll help
you find it!

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