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Cusomized seamless cold drawn steel tube with black annealed out surface 27SiMn

SHANGHAI UNITE STEEL TRADING CO., LTD

City: shanghai

Province/State:shanghai

Country/Region:china

Tel:86-21-35316960

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Cusomized seamless cold drawn steel tube with black annealed out surface 27SiMn

Brand Name : UST
Model Number : OD: 30-450mm; WT: 2-40mm
Certification : ISO 9001
Place of Origin : China
MOQ : 5 tons.
Payment Terms : USD 800- 1500/ton
Supply Ability : 1000 ton/month
Delivery Time : Within 5-35 days
Packaging Details : Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
Application : Hydraulic equipment
Process : Cold drawn, honed, skived, scraping rolling
Inner tolerance : H7-H10
Length : Random length or fixed length
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Cusomized seamless cold drawn steel tube with black annealed out surface 27SiMn


Appearance

Tube shall have a smooth internal and external surface consistent with cold working process, tube inner surface should be free from rust, scratches and other surface irregularities.


Usage scope

Honed tube for hydraulic cylinder, swivel crane, injection machine and construction machine application


Length:Fixed length, random length.
Type:Seamless, cold drawn, honing tube
Straightness:≤ 0.5/1000mm
Tolerance:DIN2391, EN10305, GB/T 1619
Tolerance INT:H7, H8, H9

Chemical composition(%)

GradeCSiMnPS
27SiMn0.24-0.321.1-1.401.10-1.400.035 max0.035 max

Mechanical properties

Grade

Tensile strength (MPa)Yield strength (MPa)Elongation (%)
27SiMn980 min835 min12 min

Delivery condition

+ARBKSGBKNBKQ+T
As rolledStress relievedAnnealedNormalizedQuenched+tempered
Hot rolled+SR+A+NQ+T

Delivery conditionCold finished (hard) (BK)Cold drawn and stress-relieved (BK+S)
Steel GradeTensile Strength (Mpa)Elongation (%)Tensile Strength (Mpa)Yield Strength (Mpa)Elongation (%)
27SiMn≥800≥5≥760≥610≥10

Tubes end

Plain ends with square cuts, free of burrs, bevelled ends with plastic caps proteced.


Surface treatment

Bare, varnished,oiled, or polised as request.


Packing

1. bundle packing.

2. marking as per customer's requests.

3. paint on the pipe as per customer request

4. pipe caps as customer request.

If you have any suggestions or inquiry, please feel free to contact us.



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