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Round Seamless Steel Honed Cylinder Tubing Chrome Plated 10# - 45# Custom
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Round Seamless Steel Honed Cylinder Tubing Chrome Plated 10# - 45# Custom

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Seamless steel chrome honed tubes for gas cylinder

 

Grade:ST 52

Metric size:

Inside diameter from 40 to 300mm, 

Max length 16m.

Straightness: 0.5 /1000Tolerance EXT: DIN 2391Tolerance INT: ISO H8Roughness(Ra): 0.2 to 0.4µ

Chrome thickness: 20 TO 50 Micron

Type:cold drawing, normalizing treatment, honing or skiving, chrome outside surface.

CHEMICAL COMPOSITION (%)

Si

(Max)

Mn

(Max)

C

(Max)

P (Max.)

S

(Max)

0.55

1.60

0.22

0.025

0.025

 

MECHANICAL PROPERTIES

Tensile strength 

Min

Yield Point 

Min

Elongation 

% Min

580 N/mm2

420 N/mm2

10

 

Specifications:

 

Dimension tolerance comparison Chart

Outer Diameter

GB/T3639

DIN2391(EN10305)

Manufacturer's standard

Special standard

6-30mm

±0.10mm

±0.08mm

±0.05mm

±0.02mm

31-40mm

±0.15mm

±0.15mm

±0.05mm

±0.03mm

41-50mm

±0.20mm

±0.20mm

±0.05mm

±0.03mm

51-60mm

±0.25mm

±0.25mm

±0.08mm

±0.03mm

61-65mm

±0.30mm

±0.30mm
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Mr. Wang
Tel: 86-510-85592908
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Wuxi Jinlifang Seiko Technology Co., Ltd.
No.26 Hongxiang Road, Wuxi, Jiangsu, China (Mainland)
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