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17mm High Precision Steel Tube DIN2391 EN10305-1 ASTM A519

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17mm High Precision Steel Tube DIN2391 EN10305-1 ASTM A519

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Brand Name :	TORICH
Model Number :	DIN 2391
Certification :	ISO9001 TS16949
Price :	888 USD per ton
Payment Terms :	T/T, L/C, D/A, D/P, Western Union, MoneyGram
Supply Ability :	5000 tons per month
Delivery Time :	30-45 days

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17mm High Precision Steel Tube DIN2391 EN10305-1 ASTM A519

17mm High Precision Steel Tube DIN2391 EN10305-1 ASTM A519

TORICH is a professional steel tubes supplier from China with over 23 years manufacturing and exporting experience.

Our main products are seamless precision pipe,carbon steel seamless precision pipe,alloy steel seamless precision pipe, stainless steel seamless precision pipe.The material we usually use for producing Seamless Honed Precision Steel Tube is10#,20#,1010,1020,1026,ST37,ST44,E235,E215,E355

Size range

Tolerance

Name	Scope mm	DIN seriesmm
OD	04-30	±0.08
OD	31-40	±0.15
OD	41-50	±0.20
OD	51-60	±0.25
Wall	0.5-7	±10%

Delivery condition

Designation	Symbol	Description
Cold finished (hard)	BK(+C)	Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high resistance to deformation
Cold finished (Soft)	BKW (+LC)	The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming (e.g. bending, expanding)
Cold finished and stress-relieved	BKS(+SR)	Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree.
Annealed	GBK(+A)	The last Cold forming process is followed by annealing in a controlled atmosphere.
Normalized	NBK(+N)	The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.

Main feature:
High precision
Excellent brightness
No oxidization on outer and inner walls after heat treatment
High cleanness of inside wall
High pressure
No deformation after clod bending
No crack after flaring and flattening

Color : Gray with white

Application:
Hydraulic system
Automobile
Surface:
NBK
Galvanization/Galvanized/Zinc Coated
Blue White Zinc (Trivalent Chromium Passivation)
Plating Colour Zinc(Trivalent Chromium Passivation)
Yellow, Army-Green
Phosphated/Black Phosphated

Surface quality
Without oxidization
No crack
No fold
No rolling fold
No scar
No laminar defect

What we can do in our testing center
Physis laboratory
Chemical spectrometer
Pressure blasting machine
Metallographic analysis
Salt Spray Test
High Precision Steel Tube

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