• Jiangsu Hongbao Group Co., Ltd.
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  • Jiangsu Hongbao Group Co., Ltd.
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Round Thin Wall Bright Annealed Tube 120mm OD For High Precsion Machining

Place of Origin Jiangsu, China
Brand Name Hongbao
Certification TS16949,DNV,PED,ISO
Model Number HBPST-1
Minimum Order Quantity 1 ton
Price Negotiable
Packaging Details seaworthy plywooden case packing.
Delivery Time Within 50 days if production
Supply Ability 30000MT per year

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Product Details
Material ST37.4,ST52.4,E235,E355,26MnB5,34MnB5 Certificate TS16949,DNV,PED,ISO
Keywords Bright Annealed Tube OD 6-120mm
Trade Term FOB,CIF,EXW Standard EN10305-1;EN10305-2
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hydraulic cylinder pipe


carbon steel pipe

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Product Description

E355 EN10305 Round Thin Wall Bright Annealed Tube Hydraulic Parts Using Cold Rolled



Mechanical properties at room temperature
Delivery Condition BK BKW GBK NBK (N)
Steel Grade Rm A % Rm A % Rm A % Rm ReH A %
Mpa (Min) (Min) Mpa(Min) (Min) Mpa(Min) (Min) Mpa(Min) Mpa(Min) (Min)
E215 430 8 380 12 280 30 290~430 215 30
E235 480 6 420 10 315 25 340~480 235 25
E255 580 5 520 8 390 21 440~570 255 21
E355 640 4 580 7 450 22 490~630 355 22


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 Thin Wall Bright Annealed Tube 120mm OD For High Precsion Machining 0