Product Details

COMPANY INFORMATION

we are the manufacture of precision seamless steel tube ,and we are the top 5 manufacturer in China .our company mainly produces all kinds of cold finished seamless steel tube ,such as cold drawn /rolled seamless steel tube ,hydraulic cylinder steel tube ,SRB/honed steel tube .which are widely used in hydraulic cylinder ,automobile ,oil drilling ,textil machinery ,engineering machinery ,so welcome to our company to visiting .

PRODUCT INFORMATION

Production	DIN 2391 ST42 cold rolling round hollow seamless steel pipe
Standard	DIN 2391/EN 10305/GB/T8162/ASTM A519,etc.
Out Diameter	30mm-250mm
Wall Thickness	2mm-30mm
Material	10#-45#,st35-st52,q345,25Mn
Length	According to the customer’s acquirement
Surface treatment	According to the customer’s need
Technique	Seamless & welded
Usage	1. hydraulic cylinder 2. automobile 3. oil drilling 4.textil machinery 5. printing machinery 6. engineering machinery
Package	1. Bundle packing. 2. Bevelled end or plain end or warnished as per buyer's required. 3. Marking: as per customer's requests. 4. Painting varnish coating on the pipe. 5. Plastic caps at ends.
Supply	1. seamless steel pipe 2. cold drawn seamless steel tube 3. hydraulic cylinder steel tube 4. DOM tube 5. SRB/honed steel tube 6. hot rolled seamless steel tube 7. cold rolled seamless steel tube
Min Order Quantity	According to customer's requirement
Payment terms	L/C, T/T,
Contact	If you have any questions, please feel free to contact me.

CHEMICAL COMPOSITION

Material	C	Si	Mn	S(≤)	P(≤)	Cr	Ni	Mo	other
C20#	0.17-0.23	0.17-0.37	0.35-0.65	0.035	0.035	≤0.25	≤0.30		Cu≤0.25
CK45#	0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035	≤0.25	≤0.30		Cu≤0.25
Q345B	≤0.20	≤0.55	1.00-1.60	0.040	0.040	V:0.02-0.15	Nb:0.015-0.06	Ti:0.02-0.20	Alt≥0.015
ST52 E355 16Mn	≤0.20	≤0.55	1.00-1.60	0.045	0.045	V:0.02-0.15	Nb:0.015-0.06	Ti:0.02-0.20	16Mn
25Mn	0.22-0.30	0.17-0.37	0.70-1.00	0.035	0.035	≤0.25	≤0.25
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	0.030	0.030
42SiMn	0.39-0.45	1.10-1.40	1.10-1.40	0.030	0.030
42CrMo	0.38-0.45	0.17-0.37	0.50-0.80	0.025	0.025	0.90-1.20		0.15-0.25

ABOUT THE DIMENSION

40*50	90*110	140*170	190*215
40*55	95*110	145*170	190*220
50*60	95*115	150*170	190*225
50*65	100*110	150*175	200*220
55*70	100*114	150*180	200*225
60*70	100*115	155*180	200*230
60*75	100*120	160*175	200*245
60*78	100*125	160*180	200*250
63*73	105*125	160*185	220*250
63*75	110*125	160*190	220*270
63*76	110*130	160*195	225*250
63*78	115*130	165*190	240*273
65*80	115*135	165*205	250*290
70*80	120*140	170*200	250*300
70*82	125*140	180*200	260*300
70*85	125*145	180*205	280*323
70*90	125*150	180*210	280*355
75*90	130*150	180*215	300*350
80*92	130*155	180*220	200*213
80*95	130*160	185*205	200*216
80*100	135*160	185*215	250*266
85*100	140*160	185*220
90*105	140*165	190*210

ABOUT THE APPLICATION

GB/T 8162-2008 Seamless Steel Tubes For Structural Purposes

GB/T 8163-2008 Seamless Steel Tubes For Liquid Service

ASTM A53 It is used for conveying water,petrolem,gas and other common fluids.

ASTM A106 For the purpose of the pipeline project of boiler,water&petroleum.

API SPCE 5L For the purpose of transportation of gas,water,oill in oil&gas industry.

API SPEC 5CT Tubing is used in extracting petroleum & natural gas. casing pipe serves as wall of well.

ASTM A519 Seamless carbon and alloy steel mechanical tubing

A 179/A179M cold drawn low carbon steel heat exchanger and condenser tubes

ASTM A192/A192M for manufacturer wall panel,economizer,reheater,super heater,and the steam pipeline of boilers

DIN 1629 applies to seamless circulal tubes and pipes made of unalloyed steels

DIN17175 Cold Drawn Seamless Tube For Boiler And Heat Exchanger

DIN2391 Cold drawn or cold rolled precision seamless steel tubes for hydraulic pressure

PACKAGING SHANG SHIPPING

Please don’t worry that our products are packed, stored, transported according to the international regulation. We do care about the quality of our products; even some little details are paid attention to. We wrap the precision steel pipe with anti-rust paper and steel rings to prevent damage. Identification labels are tagged according to standard specification or customer's instructions. Special packing is available as per customer's requirement. Plus, our storage racks are made of wood. Any unwanted chemical reaction can be prevented.

OUR PROCESSING

OUR SERVICES

1. Cargo track service during transporting and feedback service after cargo is loaded on board

2. Flexible terms of payment by

3. Big discount for repeat customers

4. Smooth delivering procedure

5. Payment Terms: T/T , L/C And so on.

FAQ

Why you choose us:

1). Qualified raw materials

2). Advance production equipment

3). Nooxide layer both outer and inner wall. It could be used in hydraulic system directly without any pretreatment