Yantai Xinpeng Steel Pipe Co., Ltd.: Yantai, Shandong, China; Main products: hydraulic tube, precision tube, honed tube, mechanical tube, cold finished tube

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Home > Products > main products > cold rolled annealed high precision ST52 steel tube pipe

cold rolled annealed high precision ST52 steel tube pipe

FOB Price

US$ 0.6 - 0.7 / Kilogram

5000 Kilograms(Min. Order)

Port Yantai Qingdao or as client's request
Payment TermsT/T

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Product Details

Thickness	2, 30	Section Shape	Round
Outer Diameter	30 - 250 mm	Place of Origin	Shandong, China
Secondary Or Not	Non-secondary	Certification	Other, ISO9001:2008
Surface Treatment	Other, as client's request	Alloy Or Not	Non-alloy

Product Description

Product Name	cold rolled annealed high precision ST52 steel tube pipe
Outer Diameter	30-250mm
Wall Thickness	2-30mm
Material Grade	20# 45# 16Mn 25Mn 27SiMn E355
Package	Standard packing or as client’s request
Delivery Condition	BK/BKW/BKS/GBK/NBK
Delivery Time	Within 20-30 days after receiving downpayment or as client’s request
Trade Terms	FOB Yantai, Qingdao, or as client’s request
Payment Terms	T/T or L/C or as client’s request
Supply Ability	500 metric tons/per month

Our Company

Established in December 1992, our company mainly produces various specifications of cold drawn,rolled precision steel tube,hydraulic cylinder tube and SRB Tube, which are widely used in such industries as hydro-cylinder, automobile, engineering machinery, textile machinery, printing machinery, oil drilling, etc.

Our Main products

1.seamless steel tube

Widely used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and 1020. We can also offer as customized seamless steel tube.

ld drawn/rolled steel pipe

Grade: 20# 45# 16Mn 25Mn 27SiMn E355 ST52

Standard: GB/T8713 GB/T3639 DIN2391 EN10305 ASTMA519

Range: 30-300mm

Length: 11m(max)

The cold process can improve the mechanical property of the pipes and offer better tolerance.

3. SRB&Honed steel tube

ID Tolerance: H8 H9 or as client's request

ID Roughness: RA0.4micron(max)

Length: 6m(max)

Inner roughness: Ra0.2-0.8um

Straightness: 1:1000 or customized

This process can improve the roughness of the inner tube to 0.2-0.8um and make tube for cylinder using directly.

Mechanical property

Dilivery Condition	Cold drawn+stress-relieved(BK+S)(SR)			Cold finished(hard)(BK)
Steel Grade	Tensile strength (Rm Mpa)	Yield strength (ReH Mpa)	Elongation A5%	Tensile strength (Rm Mpa)	Elogation A5%
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 Process

Equipped with JLB250T hydraulic cold drawn set, LD120 cold rolling set, annealing furnace, strong honed machine, polishing machine, lathe, saws CNC skived and roller burnished machine, kinds of testing machine.

Packing&Shipping

Packing:

1. bundle packing

2. marking as per customer's requests

3. paint on the pipe as per customer request

4. pipe caps as customer request

Shipping:

Within 20-30 days after receiving your payment or as client's request

Delivery condition

1. NBK(+N)

after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium

2. GBK(+A)

after cold forming, annealing in non oxidizing medium protective gas

3. BK(+C)

the final heat treatment after cold forming, therefore small steel pipe plastically, the plastically degree does not guarantee

4. BKW(+LC)

after final heat treatment, a tiny cold drawing deformation, continue again when machining steel pipe allowed inside certain limits cold deformation(bending, flaring)

5. BKS(+SR)

have a stress relief after cold forming, heat treatment, steel pipe can be carried out within a certain limit in the appropriate processing

Our Certificate

Strictly according to system verified ISO9001:2008, all our products are in high quality control and tight tolerance to satisfy every client without quality problem.

Our Service

1.High quality products.

Adhere to the verified system ISO9001, we offer various specifications of percision steel tube with 100% quality guarantee.

2.Perfect service

(1)Product with surface protection and also can be arranged as client' s request.

(2)24 hours online reply

(3)treat every client as friend

If you are interested in our products, pls don’t hesitate to contact us, and we’ll do our best for you !

Contact Us

Yantai Xinpeng Steel Pipe Co., Ltd.: Contact nameJudy Gao
Chat Now; Phone0086-535-6835398; Address2th,Binglun Road,APEC Technology Industrial Park,Zhifu District,Yantai City, Yantai, Shandong

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Cold rolled/drawn Seamless tube	DOM Tube	main products	MIld Seamless tubes
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cold rolled annealed high precision ST52 steel tube pipe

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