Mechanical Structures Cold Drawn Seamless Tube Round Black 32mm Wall Thickness

Price Negotiable

Price: Negotiable

MOQ: 1 ton

Delivery Time: within 50 days

Brand: Hongbao

Product Description

Hollow Steel Tube Round Black Precision Steel Pipe For Autos

Description:

Material	Carbon Steel	DIN 2391 Standard	St 35, St45, St52
		EN 10297-1 Standard	E235, E275, E315, E355, E470
		EN 10305-1 Standard	E215, E235, E355
		EN 10305-4 Standard	E215, E235, E355
		BS 6323-3 Standard	HFS 3, HFS 4, HFS 5, HFS 8
		DIN 2391 Standard	St 35, St45, St52
		EN 10297-1 Standard	E235, E275, E315, E355, E470
		EN 10305-1 Standard	E215, E235, E355
		NF A49-311	TU 37-b, TU 52-b, TU 56-b, TU XC35
	Alloy Steel	ASTM A519 Standard	1345, 3140, 4130, 4135, 4140, 4150, 4320, 4340, 5120, 5130
		JIS G3429 Standard	STH11, 12 STH21, 122 STH31
		JIS G3441 Standard	SCR420TK, SCM415TK, SCM418TK, SCM420TK, SCM430TK, SCM440TK
Size		Size Range		Tolerance
	OD	6-325mm		-0.035 -- +0.045mm
	ID	2-250mm		±0.035mm
	WT	1-32mm		depends on sizes
	Length	random or fixed length		+0-3.5mm
	Straightness	0.15:1000, 0.4:1000, 0.5:1000 1:1000 or customized
	Surface Roughness	Ra 0.02—0.4μm

Our company main product all kinds of cold drawn precision welded steel tube and hydraulic precision cylinder tube. We have about 30 years experience of the steel production.

Application:

Widely used in Machinery, Automotive & Aerospace Industry,Bicycles.

Other mechanical parts and structures and so on.

Delivery condition of seamless cold drawn mechanical tubing

BK (+C) Cold finished/hard (cold finished as drawn).
BKW (+LC) Cold finished/soft
BKS (+SR) Cold finished/stress relieve annealed.
GBK (+A) Annealed.
NBK (+N) Normalized.

Round Cold Drawn Welded Precision DOM Steel Tube are manufactured according to technical specification of EN10305-2 Cold Drawn Welded Precision Steel Tubes DOM tubing, with steel grade of E155,E195,E235,E275,E355 and delivery conditions of +C +LC +SR +A +N