What are the advantages of choosing GB Standard Track Rail?

A GB steel rail refers to railway tracks manufactured to China's Guobiao (GB) national standards, serving as the guiding surface for trains and vehicles, categorized as light, heavy, or crane rails (e.g., 6kg, 60kg, QU120), made from specific steel grades like U71Mn or 50Mn for strength, and crucial for guiding wheels, bearing loads, and ensuring smooth transport on various lines, including main railways, subways, and industrial tracks.

 

What are the advantages of choosing GB Standard Track Rail?

 

GB standards define rail profile geometry, dimensional tolerances, steel grades, and inspection methods, ensuring stable performance across railway, mining, crane, port, and industrial track systems. In global infrastructure and industrial projects, GB standard rails are widely adopted not only within China but also in many overseas markets due to their broad size range, flexible steel grade selection, and strong supply-chain maturity.

 

 

One of the most recognized advantages of GB standard track rail is its excellent cost-performance ratio. Because GB profiles are produced in large industrial scale, rolling mills maintain stable output with high production efficiency, which directly reduces unit cost. At the same time, GB standards cover both light rail and heavy rail, allowing buyers to choose economical solutions precisely matched to load conditions rather than overspecifying the rail section.

 

For example, industrial sidings, mining tunnels, and yard tracks do not require heavy UIC60 rails, and GB light rails offer sufficient load capacity at much lower cost.

 

 

Rail Type (GB)	Typical Weight (kg/m)	Typical Applications
GB Light Rail	8, 12, 15, 18, 22, 24, 30	Mining, factory tracks, tram depots
GB Heavy Rail	38, 43, 50, 60, 75	Mainline railway, heavy industrial transport
GB Crane Rail (QU)	QU70, QU80, QU100, QU120	Gantry cranes, ports, steel plants

 

Classification		Height(mm)	Head (mm)	Bottom (mm)	Thick(mm)	Weight (kg/m)
Light Rail	8 KG/M	65	25	54	7	8.42
	9 KG/M	63.5	32.1	63.5	5.9	8.94
	12 KG/M	69.85	38.1	69.85	7.54	12.2
	15 KG/M	79.37	42.86	79.37	8.33	15.2
	18 KG/M	80	40	80	10	18.06
	22 KG/M	93.66	50.8	93.66	10.72	22.3
	24 KG/M	107	51	90	10.9	24.46
	30 KG/M	107.95	60.33	107.95	12.3	30.1
Heavy Rail	38 KG/M	134	68	114	13	38.733
	43 KG/M	140	70	114	14.5	44.653
	45 KG/M	145	67	126	14.5	45.546
	50 KG/M	152	70	132	15.5	51.514
	60 KG/M	176	73	150	16.5	60.64
Crane Rail	QU 70	120	70	120	28	52.8
	QU 80	130	80	130	32	63.69
	QU 100	150	100	150	38	88.96
	QU 120	170	120	170	44	118.1

 

This flexibility allows engineers to optimize both capital expenditure and long-term maintenance cost, which is especially important in emerging markets and private industrial rail systems.

 

How Does GB Rail Provide Broader Steel Grade Options?

 

GB standards allow multiple steel grades under the same rail profile, enabling selection based on axle load, wear resistance, and environmental conditions. This is another major technical advantage compared with some standards that limit steel grade choices.

 

 

Steel Grade (GB)	Carbon (%)	Tensile Strength (MPa)	Typical Usage
Q235B	0.14–0.22	≥375	Light-duty mining and industrial rails
55Q	0.50–0.60	≥690	Medium-duty transport lines
U71Mn	0.65–0.76	≥880	Heavy-load and crane rails
U75V	~0.75 + Vanadium	≥900	High wear-resistance mainline rail

 

As a professional rail fastener supplier, GNEE RAIL can provide different standard steel rail such as GB,American, BS, UIC, DIN, JIS, Australian and South Africa which used in railway lines, cranes and coal mining.

 

JIS E 1103/1101 Standard Steel Rail

 

Standard: JIS E 1103/1101
Size	Dimension(mm)				Weight (kg/m)	Length(m)
	Head	Height	Bottom	Thickness
JIS 15KG	42.86	79.37	79.37	8.33	15.2	9-10
JIS 22KG	50.8	93.66	93.66	10.72	22.3	9-10
JIS 30A	60.33	107.95	107.95	12.3	30.1	9-10
JIS 37A	62.71	122.24	122.24	13.49	37.2	10-25
JIS 50N	65	153	127	15	50.4	10-25
CR 73	100	135	140	32	73.3	10-12
CR 100	120	150	155	39	100.2	10-12

 

Australian 1085 Standard Steel Rail

 

Standard: AS 1085
Size	Dimension(mm)				Weight (kg/m)	Length(m)
	Head	Height	Bottom	Thickness
31KG	63.5	117.5	108	11.5	31.5	8-25
47KG	70	141.3	127	14.3	46.5
50KG	70	154	127	15	50.8
60KG	70	170	146	16.5	61
68KG	73.4	186	152	17.5	67.6
73KG	70	157	146	32	73.63
86KG	102	102	165	84.11	85.5
89KG	102	114	178	51	89.81

 

DIN 13674-1-2003 Standard Steel Rail

 

Standard：DIN 536
Size	Dimension(mm)				Weight (kg/m)	Length(m)
	Head	Height	Bottom	Thickness
A55	55	65	150	31	31.8	10-12
A55	65	75	175	38	43.1
A75	75	85	200	45	56.2
A100	100	95	200	60	74.3
A120	120	105	200	72	100

 

UIC 860 Standard Steel Rail

 

Standard: UIC860
Size	Dimension(mm)				Weight (kg/m)	Length(m)
	Head	Height	Bottom	Thickness
UIC50	70	152	125	15	50.46	12-25
UIC54	70	159	140	16	54.43
UIC60	74.3	172	150	16.5	60.21

 

American Standard Steel Rail

 

ASTM standard, AREMA standard
Size	Dimension(mm)				Weight (kg/m)	Length(m)
	Head	Height	Foot	Thickness
ASCE 25	38.1	69.85	69.85	7.54	12.4	6-12
ASCE 30	42.86	79.38	79.38	8.33	14.88
ASCE 40	47.62	88.9	88.9	9.92	19.84
ASCE 60	60.32	107.95	107.95	12.3	29.76
ASCE 75	62.71	122.24	122.24	13.49	37.2	12-25
ASCE 85	65.09	131.76	131.76	14.29	42.17
ASCE 90	69.09	130.18	142.88	14.29	44.65
ASCE 115	69.06	139.7	168.28	15.88	56.9
ASCE 136	74.61	152.4	185.74	17.46	67.41
ASCE 175	109.86	152.4	152.4	38.1	86.8

 

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