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 > MIld Seamless tubes > Honed tube for gas H7 h8 h9 tolerance Inner Best roughness

Honed tube for gas H7 h8 h9 tolerance Inner Best roughness

FOB Price

US$ 0.8 - 1.7 / Metric Ton

20 Metric Tons(Min. Order)

Port Yantai/Qingdao
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	Application	Other, Hydraulic Pipe, Hydraulic cylinder
Technique	Cold Drawn	Certification	Other, ISO 9001 2008
Surface Treatment	Other, According to the custome's need	Alloy Or Not	Non-alloy

Product Description

Specifications

Honed tube for gas H7 h8 h9 tolerance Inner Best roughness
1. ID 30-250mm
2. Max length 12m
3. NO MOQ
4. Best reputation

Honed tube for gas H7 h8 h9 tolerance Inner Best roughness

Yantai Xinpeng Steel Pipe Provide the best quality products

Honed tube:
I.D: 40-800 mm. O.D: 45-1000mm.
WT: 5-20 mm.
Precision of Size: H9-H11
Steel grade: ST-52.CK20C CK45,25Mn,27SiMn

Honed tube:

•Material:20# , 45#, 16Mn, 25Mn, 27SiMn, St52, E355.
•With standard DIN2391, GB/T8713-88, GB/T8710-2009, ISO, ASTM and DIN. The maximum length is 12 M. The sizes range from 40 mm to 400 mm. Our product can match all the customers’ requirements

Specifications of Honed tubes
Processing	Diameter(mm)	Length(m)	Straight(mm/m)	Diameter Accuracy	Thickness	Roughness(μm)
Cold drawing	40-320	≤12	0.2-0.5	H8-H10	±5%	0.8-1.6
Cold rolling	30-100	≥12	0.2-0.5	H8-H10	±5%	0.8-1.2
Drawing-honed	40-500	8	0.2-0.3	H7-H9	±5%	0.2-0.8
Drawing-roll	40-400	7	0.2-0.3	H8-H9	±5%	0.2-0.4
Deep-hole	320-500	8	0.2-0.3	H7-H9	±8%	0.2-0.8
Deep-rolling	320-500	7	0.2-0.3	H8-H9	±8%	0.2-0.4

Hydraulic & Pneumatic Cylinder Tube Size and Precision
Inner Diameter(mm)	Tolerance on ID µm
Inner Diameter(mm)	H7	H8	H9	H10
30	+21 0	+33 0	+52 0	+84 0
>30-50	+25 0	+39 0	+62 0	+100 0
>50-80	+30 0	+46 0	+74 0	+120 0
>80-120	+35 0	+54 0	+87 0	+140 0
>120-180	+40 0	+63 0	+100 0	+160 0
>180-250	+46 0	+72 0	+115 0	+185 0
>250-315	+52 0	+81 0	+170 0	+210 0
>315-400	+57 0	+89 0	+140 0	+230 0

Application:
· Hydraulic cylinder · Pneumatic cylinder · Precise machine pipes · Agriculture machine · Boiler construction Machinery : - Stamping machine - Punching machine - Blow molding machine - Plastic injection machine - Food machine - Forklift	Automobiles: - Crane - Truck - Truck lifter - Shock absorber of car, motorcycle, bicycle · Furniture: gas spring · Exercise equipments · Medical equipments · Door closer · Condensing unit Pipe

Production Process:

Pretreatment : Pickling—Phosphating—Saponification

Cold drawn/cold rolled

Annealing furnace——+SR

Straightener—— Straightening

Straightness inspecting

Dimension inspecting

Sawing

Lathe

Polishing

Products inspecting

Finished Products

Xinpeng Have passed The ISO9001 2008

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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Honed tube for gas H7 h8 h9 tolerance Inner Best roughness

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