Product Details

YanTai XinPeng Steel Pipe Co.,Ltd located in Yantai, a beautiful

coastal city in Jiaodong Peninsula, our company is in the (APEC)

Science & Technology Industrial Park, urban area of Yantai, with

convenient transportation. Established in December 1992, with

registered capital of 5 million yuan .

FACTORY AND PRODUCT PICTURE

seamless tube

Seamless steel tube, made of whole metal, without seams, so called seamless

steel tube.According to the production method, seamless tube divided hot rolled

tube, cold rolled tube, cold drawing tube, extruded tube, top tube, etc .Our product

is cold rolled or cold drawing then honed or SRB(skived rolled burnished) ,the

surface polished some lathed.

Seamless steel pipe is mainly used for petroleum geological drilling pipe,

petroleum chemical cracking pipe, boiler tube, bearing tube and automobile,

tractor and aviation with high precision structural steel pipe.

USED

Our company mainly produces various specifications of cold drawn,

rolled precision steel tube,hydraulic cylinder tube and SRB(skived rolled

burnished) Tube, which are widely used in such industries as hydraulic

cylinder, automobile, engineering machinery, textile machinery, printing

machinery, oil drilling, etc. Our company is also the distributor of several

domestic well-known steel tube plants in Shandong, and mainly distributes

seamless steel tubes of all kinds of materials.

we produce kinds of style kinds of standard cylider tube :hydraulic

cylinder tube st52 din2391 widely used in hydraulic system with

precision steel tube, injection molding machine with precision

steel tube, hydraulic press with precision steel tube, shipbuilding

with steel tube, EVA foaming, hydraulic machinery, hydraulic cutting

machine, shoe making machinery, hydraulic equipment, high pressure

tubing, hydraulic tubing, card sets of joints, pipe joints, rubber

machinery, forging machinery, casting machinery, engineering

machinery, automotive high pressure steel pipe concrete pump,

sanitation vehicle, automobile industry, shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion

engine, air compressor, construction machinery, forestrymachinery,

etc

Chemical Composition

Chemical Component

Steel Grade	Chemical Compostion %
	C	Si	Mn	P	S	Cr	Ni	Cu	Al
	C	Si	Mn	≤					≥
20#	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	0.25	0.25	⁄	⁄
45#	0.42-0.5	0.17-0.37	0.5-0.8	0.035	0.035	0.25	0.30	⁄	⁄
Q345B	≤0.2	≤0.5	1.0-1.6	0.030	0.030	0.30	0.25	0.08	⁄
Q345D	≤0.2	≤0.5	1.0-1.6	0.030	0.030	0.25	0.25	0.15	0.015
25Mn	0.22-0.29	0.17-0.37	0.7-1.0	0.035	0.035	⁄	⁄	⁄	⁄
27SiMn	0.24-0.32	1.10-1.40	1.1-1.4	0.035	0.035	0.30	0.30	⁄	⁄
E355(ST52)	≤0.22	≤0.55	≤1.6	0.025	0.025	0.025	0.025	⁄	⁄
SAE1026	0.22-0.28	0.15-0.35	0.6-0.9	0.040	0.050	⁄	⁄	⁄	⁄

Mechanical Property

Mechanical Property
Delivery Condation	Cold draw+stress-relieved(BK+S)(SR)			Cold finished (hard)(BK)
Steel Grade	Rm Mpa	ReH Mpa	Elongation	Rm Mpa	Elongation
20#	≥520	≥375	≥15	≥550	≥8
45#	≥600	≥520	≥10	≥640	≥5
16Mn(Q345B Q345D)	≥600	≥520	≥14	≥640	≥5
25Mn	≥600	≥510	≥15	≥640	≥5
27SiMn	≥760	≥610	≥10	≥800	≥5
St45	≥520	≥375	≥15	≥550	≥5
E355(ST52)	≥600	≥520	≥14	≥640	≥5
SAE1026	≥600	≥510	≥15	≥640	≥5

OUR TEAM

packing picture

USED FOR

Guaranteed

Guaranteed

If products’ quality doesn’t match the description we give or promise

before you place your order,we promise 100% refund.

(1): High quality products with reasonable price.

(2): We are factory and trading company.
(3): Every process will be checked by responsible QC which insures

every product's quality.
(4): Professional packing teams which keep every packing safely.
(5): Trial order can be done in one week.
(6): Samples can be provided as your requirements. Free sample

(7): We have more than 24years experience in exporting products to

worldwide countries, can provide the high quality products.

(8): We have five thousand tons of stock in warehouses with abundant

capital. Furthermore, we offer charge sales, credit and 7-day 24-hour

services.

(9): Wide excellent experiences with after-sale service.

FAQ

Q: How many days of your delivery?

A: The general delivery is 30~50 days according to your quantity.

Q :Which countries do you export to?

A: America, India, Korea, Pakistan, Turkey, Iran and so on.

Q: What is your main payment itme?