High Precision Hydraulic Cylinder Steel Tube , Black Steel Cylinder Pipe

Basic Information

Place of Origin:	China
Brand Name:	New Era
Certification:	ISO9001,TS16949
Model Number:	EN 10305-1

Minimum Order Quantity:	5 tons
Price:	Negotiation
Packaging Details:	Bundles Package, Wooden Box Package
Delivery Time:	45 days
Payment Terms:	T/T
Supply Ability:	3000 tons/month

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Product Name:	Honing Steel Tube	Delivery Condition:	+C, +SR
OD Size:	40-500mm	WT Size:	1-30mm
Steel Material:	E235 , E255 , E355	Application:	Hydraulic Cylinder
Certificate:	ISO,PED,BV,TUV	ID Tolerance:	H7, H8, H9, H10
Roughness:	Ra＜0.4μm	Straightness:	0.3-1mm/m
Highlight:	hydraulic cylinder pipe , honed steel tubing

Product Name: EN 10305-1 E355 +C Hydraulic Cylinder Pipe , Seamless Round Honing Steel Tube

Size Range: OD: 40-500mm, WT: 1-30mm, Length: 5.8m/6m, maximal 11.8m

Product Name	EN 10305-1 E355 +C Hydraulic Cylinder Pipe Honing Steel Tube
Material	E235, E255, E355
Delivery Condition	+C , +SR
Standard	EN10305-1
Size Range	OD: 40-500mm, WT: 1-30mm
Application	High precision purpose, auto parts, oil cylinder, etc
Round Billet	Bao Steel, Xingcheng Steel, Zhongtian Steel
Keyword	Honing Steel Tube
Certificate	TS16949, ISO 9001
HS code	7304319000
Delivery Time	45 days
Pakcing	Bundles or Woodern Boxes

Processing Range And Precision:

Cold Drawn Tubes:

ID:45mm-630mm

Length:14,000mm

Straightness:0.3-1.0

Precision:H8-H10

Roughness:Ra0.8-Ra1.6

Honing Tubes:

ID:25mm-500mm

Length:10,000mm

Straightness:0.3

Precision:H7-H8

Roughness:Ra0.2-Ra0.8

ID Tolerance of Precision Honed Tubes:

SIZE of I.D	I.D.Tolerance			Tolerance of wall thickness
SIZE of I.D	H8	H9	H10	Tolerance of wall thickness
30	+0.0330	+0.0520	+0.0840	<120mm(O.D) ±5% ≥120mm(D.D) to 210mm ±7.5% >210mm ±10%
>30-50	+0.0390	+0.0620	+0.1000
>50-80	+0.0460	+0.0740	+0.1200
>80-120	+0.0540	+0.0870	+0.1400
>120-180	+0.0630	+0.1000	+0.1600
>180-250	+0.0720	+0.1150	+0.185
>250-315	+0.0810	+0.1300	+0.2100
>315-400	+0.0890	+0.1400	+0.2300

Mechanical Propety:

Material: 20# 45#,16Mn St45, St52, 25Mn,27SiMn, SAE1026.SAE1518 etc.

STANDARD: GB/T8713 GB/T3639 DIN2391 EN10305 ASTM A519

Delivery condition	cold finished(hard)(BK)		cold drawn and stress relieved(BK+S)
STEEL GRADE	Rm MPa	Elongation (%)	Rm MPa	ReH MPa	Elongation (%)
20#	≥550	≥ 8	≥ 520	≥ 375	≥ 15
45#	≥ 640	≥ 5	≥ 600	≥ 520	≥ 10
16Mn	≥ 640	≥ 5	≥ 600	≥ 520	≥ 14
25Mn	≥ 640	≥ 5	≥ 600	≥ 510	≥ 15
27SIMn	≥ 800	≥ 5	≥ 760	≥ 610	≥ 10
ST45	≥ 550	≥ 5	≥ 520	≥ 375	≥ 15
E355(ST52)	≥ 640	≥ 5	≥ 600	≥ 520	≥ 14
SAE1026	≥ 640	≥ 5	≥ 600	≥ 510	≥ 15