Home > Products > Honed /SRB Tube for Cylinder > China top manufacturer ST52 famous cylinder precision honed steel tube

China top manufacturer ST52 famous cylinder precision honed steel tube

FOB Price

USD $900 - $1,300 / Metric Ton

20 Metric Tons(Min.Order)

Supply Ability 500 Metric Ton / Metric Tons per Month
Port Qingdao
Payment TermsT/T Credit Card

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Product Details

Place of Origin	Shandong, China
Thickness	5, 25	Application	Hydraulic Pipe
Technique	Cold Drawn
Alloy Or Not	Non-alloy
Secondary Or Not	Non-secondary
Section Shape	Round

Product Description

Company Information

Yantai xinpeng steel pipe co, .ltd. established in 1992, mainly produces precision cold drawn/rolled tube, honed/SRB tube, Hydraulic cylinder tube. The company is excellent equipped, good technology and powerful. Products widely used in hydraulic cylinder, Car manufacturer, excavator and many other areas. Xinpeng strictly obey ISO9001 2008 Quality System, High quality products sold to Korea, UK, Iran, Australia and many other countries, got good reputation.

Product Description

Technique Parameter

Material	(OD)(mm)	(ID) (mm)	(Tolerance)
Material	(OD)(mm)	(ID) (mm)	OD(mm)	ID(mm)	W.T(mm)	Ovality	Curvature
20# 45# Q345D 25Mn 42CrMo 27SiMn St35 St45 St52 St52.4 STKM13CT A519 …	40-74	30-65	±0.01	-0.3,-0.5	≤0.5	≤0.1	0.3
	74-98	65-85	±0.01	-0.4,-0.6	≤0.5	≤0.15	0.3
	100-116	85-100	±0.02	-0.4,-0.6	≤0.6	≤0.15	0.3
	124-134	110-115	±0.02	-0.6-0.8	≤0.6	≤0.20	0.3
	140-158	120-135	±0.02	-0.7,-0.9	≤0.8	≤0.20	0.3
	165-176	140-150	±0.02	-0.7,-0.9	≤0.8	≤0.20	0.3
	188-203	160-180	±0.02	-0.7,-0.9	≤0.8	≤0.20	0.3

For Honed /SRB tube standard Tolerance

ID size	ID deviation (mm)
ID size	H7	H8	H9	H10
30	+0.021 0	+0.033 0	+0.052 0	+0.084 0
>30~50	+0.025 0	+0.039 0	+0.062 0	+0.100 0
>50~80	+0.030 0	+0.046 0	+0.074 0	+0.120 0
>80~120	+0.035 0	+0.054 0	+0.087 0	+0.140 0
>120~180	+0.040 0	+0.063 0	+0.100 0	+0.160 0
>180~250	+0.046 0	+0.072 0	+0.115 0	+0.185 0
>250~315	+0.052 0	+0.081 0	+0.130 0	+0.210 0
>315~400	+0.0527 0	+0.089 0	+0.140 0	+0.230 0

Material Range of Yantai Xinpeng

Steel Grade
DIN	1629	ST 37 / 44 / 52
	1630	ST 37.4 / 44.4 / 52.4
	2391-2	ST 35 / 45 / 52
EN	17204	C22 – Ck 22 – Cm22 – C35 – Ck 35 – Cm 35 C45 - Ck 45 – Cm 45 – 34 CrMo4
	17210	C15 – Ck 15 – Cm 15 – 16MnCr5
	10305-1	E215/235/355/255
GB	3639	10#, 20#, 16Mn, 45#
ASTM	A 519	1010 1020 1035
	A179-A450	A450
	A822-A450	A450
BS	BS 6323	CFS3 CFS4 CFS5 CFS6 CFS7
NFA	49310	TU 37 b TU 52 XC

Delivery conditions:

Precision tubes are delivered in following conditions

BK (+C) Cold finished/hard (cold finished as drawn).
No heat treatment after last cold forming process.
BKW (+LC) Cold finished/soft
After last heat treatment there is a light finishing pass (cold drawing).
BKS (+SR) Cold finished/stress relieve annealed.
After the final cold forming process the tubes are stress relieve annealed.
GBK (+A) Annealed.
After the final cold forming process the tubes are annealed in a controlled atmosphere.
NBK (+N) Normalized.
After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere.

Tests: 100% eddy current test, chemical and mechanical inspection, size checking and others

Our Certificate

Xinpeng have passed ISO9001:2015 verified.

Better quality System control best quality .

We have our own Labroarty on the mechanical test and UT testing!

Qualiry Team 15 persons , Target of us is 3000PPM!

Our Process

Packaging & Shipping

Application:

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 machiner...

Our Services

1. 24hours service via phone ,wechat alibaba trade manager.

2. Good package and best container method.

3. Professional explanation with professional online service

4. Factory manufacturer can assure the best quality.

5. Good delivery time as 15-30 days .

6. 3 years product assurance after usuage.

7. Good quality process in our own factory,

each lot tube have their own 5 years'life card.

we always do our best to make deal with any clients, welcome to inquiry at any time!

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Xinpeng Steel Pipe Co., Ltd.

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Product Categories

API5CT API5L steel pipe	Cold Drawn Welded Tube/pipe (DOM)	Cold Rolled/Drawn Tube	Honed /SRB Tube for Cylinder
HOT DIP GALVANIZED STEEL PIPE	HOT SALE	Piston Rod	PRE GALVANIZED STEEL PIPE
ROUND/CIRCULAR WELDED STEEL PIPE	Seamless Steel PIpe	SPIRAL STEEL PIPE	SQUARE & RECTANGULAR STEEL PIPE
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China top manufacturer ST52 famous cylinder precision honed steel tube

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