St52 BK / BKS Hydraulic Cylinder Steel Tube H7 - H10 ID Tolerance DIN 2391 Model

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NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD

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Product Name: DIN2391 St52 BK / BKS Seamless Round Honed Steel Tube for Hydraulic Cylinder

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

Product Name	DIN2391 St52 BK/BKS Hydraulic Cylinder Pipe Honed Steel Tube
Material	St35, St45, St52
Delivery Condition	BK, BKS
Standard	DIN2391
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:

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

St52 BK / BKS Hydraulic Cylinder Steel Tube H7 - H10 ID Tolerance DIN 2391 Model

Product Tags:

pneumatic cylinder tubing

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