34CrMo4 Seamless High Pressure Gas Cylinder Pipe

Classification :

34CrMo4 seamless steel pipe/steel tube is a typical Cr-Mo alloy steel grade under European standard En10297-1.
It has high strength and creep strength, and good impact tenacity at low temperature.

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Seamless Steel Pipe

Product introduction

Product Description
34CrMo4 seamless steel pipe/steel tube is a typical Cr-Mo alloy steel grade under
European standard En10297-1. It has high strength and creep strength, and good
impact tenacity at low temperature.

Product Name	EN 10297 Cr-Mo alloy 34CrMo4 gas cylinder pipe
Standard	EN 10297
Grade	38Mn6, 30CrMo4, 34CrMo4
Thickness	2.9 – 60 mm(Sch10~Sch XXS)
Outer Diameter	38 – 720 mm (2.75’’-28 ‘’)
Length	5.8-12m or OEM
End	PE or BE
Packing	Plastic cap or bundling
Surface Treatmengt	Black paint,3LPE,3LPP,FBE or OEM
Section Shape	Round
Technique	Seamless hot rolled
Brand Name	Baotou Steel
Application	Used to make gas cylinders, bottles and other gas vessels
Place of Origin	China
MOQ	5 ton

Gas cylinder tube is a kind of seamless steel pipe and also a kind of alloy steel pipe. It
is mainly used to make gas storage tanks, accumulators and other high pressure gas vessels.
Because of our sophisticated technology and heat treatment equipment, our gas cylinder tube
absolutely has overwhelming advantages than similar products in quality and properties, and
can be in extreme small wall thickness. the common specifications of small wall thickness tube is
273mm*6.5mm, 325mm*7mm, 356mm*7.8mm, and 406mm*9mm.

Technical data

Chemical composition in % by mass
Steel grade		C		Si		Mn		P	S	Cr		Mo		Ni
Steel name	Steel	min	max	min	max	min	max	max	max	min	max	min	max	min	max
	number
38Mn6	1.1127	0,34	0,42	0,15	0,35	1,40	1,65	0,035	0,035	–	–	–	–	–	–
30CrMo4	1.7216	0,27	0,34	–	0,35	0,35	0,60	0,035	0,035	0,80	1,15	0,15	0,30	–	–
34CrMo4	1.722	0,30	0,37	–	0,40	0,60	0,90	0,035	0,035	0,90	1,20	0,15	0,30	–	–

Mechanical properties for tubes made of steels in accordance with the delivery condition +QT
Steel grade		Minimum tensile properties
Steel name	Steel number	Yield strength (ReH)				Tensile strength ( Rm)				A%
		MPa				MPa				A%
		For T in mm				For T in mm				For T in mm
		≤ 8	> 8	> 20	> 50	≤ 8	> 8	> 20	> 50	≤ 8		> 8		> 20		> 50
			≤ 20	≤ 50	≤ 80		≤ 20	≤ 50	≤ 80	≤ 8		≤ 20		≤ 50		≤ 80
										l	t	l	t	l	t	l	t
38Mn6	1.1127	620	570	470	400	850	750	650	550	13	11	14	12	15	13	16	14
30CrMo4	1.7216	750	630	520	480	950	850	750	700	12	10	13	11	14	12	15	13
34CrMo4	1.722	800	650	550	500	1000	900	800	750	11	9	12	10	14	12	15	13
NOTE l = longitudinal, t = transverse.

warehouse storage

The annual output of the factory is 400,000 tons, and the current inventory is more than 100,000 tons, which can greatly save the purchasing time of customers and ensure the production cycle and product quality of customers. We are a quality partner for domestic and foreign customers. At present, there are 14 steel production lines for processing, bending, coating, heat treatment, cutting, drilling, chamfering, conditioning, surface treatment and 13 sets of processing equipment.

Packing and shipping

Our main products are: carbon steel plate, carbon steel pipe, carbon steel coil, stainless steel plate, stainless steel coil, stainless steel profile, galvanized plate, galvanized coil, color coated steel coil, ppgi/ppgl and a wide range of high quality steel products.

Customer visit

Li Cheng (Shandong) Metal Materials Co., LTD. has the right to import and export, and its products are exported to more than 20 countries in Asia, Africa, Europe, North America and other regions. Complete processing equipment, perfect quality assurance system, well received by customers.We are willing to first-class technology, first-class equipment, first-class service wholeheartedly and friends from all walks of life sincere cooperation!

Cooperation Case

Applicable to construction, petroleum, chemical, electric power, metallurgy, urban gas, heat pipe network, Bridges, railways, vehicles, ships and other industrial fields and construction, infrastructure and other engineering fields. Complete testing equipment, strong technical force, can implement GB, ASTM, JIS, DIN and other standards.

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Seamless Steel Pipe