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Polished Cold Drawn Seamless Steel Tube 10mm Thickness For Vessel Construction

Place of Origin Jiangsu, China
Brand Name Hongbao
Certification TS16949,DNV,PED,ISO,TUV,LR
Model Number HBCDSST-1
Minimum Order Quantity 1 ton
Price Negotiable
Packaging Details seaworthy plywooden case packing.
Delivery Time within 50 days
Supply Ability 30000MT per year
Product Details
OD 4-383mm Thickness 0.5-18mm
Processing Cold Drawn, Cold Rolled Package Seaworthy Packing.
Shape Round
High Light

cold rolled steel tube

,

cold drawn seamless pipe

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Product Description

EN10305-1 E235 E355 +N Cold Drawn Steel Pipe 35mm 36mm Precision Cold Drawn Deamless Steel Tube

 

Description

 

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.

 

 

The tubes can be produced in the following delivery conditions:

BK (+C) Cold finished/hard (cold finished as drawn).

No heat treatment after the last cold forming process.

 

BKW (+LC) Cold finished/soft (lightly cold worked)

After the last heat treatment there is a light finishing pass (cold drawing).

 

BKS (+SR) Cold finished/stress relieve annealed.

After the final cold forming process the tubes are stress relieve annealed.