CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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Home ProductsCarbon Steel Seamless Pipe

Black Round Steel Tubing Seamless , EN10297-1 Engineering And Mechanical Steel Tubing

Good quality Seamless Boiler Tubes for sales
Good quality Seamless Boiler Tubes for sales
RUIYUAN is a reliable supplier, we trust in them and already cooperated for 5 years. They offer good and stable quality, best service and price.

—— Mr.Wang from SINOPEC

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—— Mr.Sanjay Bajaj

They will always keep their words, and always put customer's benefit on first consideration, that's why we chose them as a long-term business partner!

—— Mr.Thomas BIttig

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Black Round Steel Tubing Seamless , EN10297-1 Engineering And Mechanical Steel Tubing

China Black Round Steel Tubing Seamless , EN10297-1 Engineering And Mechanical Steel Tubing supplier

Large Image :  Black Round Steel Tubing Seamless , EN10297-1 Engineering And Mechanical Steel Tubing

Product Details:

Place of Origin: JIANGSU, CHINA
Brand Name: CHANGZHOU RUIYUAN
Certification: ISO9001, ISO14001, PED

Payment & Shipping Terms:

Minimum Order Quantity: 0.3 MT
Packaging Details: Ends caps, Hexagonal Bundles with steel strips and plastic bags wrapping outside/Wooden box/Steel frame/Or as per client’s requirement.
Delivery Time: 20~30 days after order
Payment Terms: T/T, L/C, D/P, CASH, D/A, Western Union
Supply Ability: 6000MT/Month
Detailed Product Description
STANDARD: EN SHAPE: CIRCULAR
MATERIAL: CARBON STEEL CERTIFICATE: PED, ISO9001, ISO14001
PLACE OF ORIGIN: JIANGSU, CHINA SECONDARY OR NOT: BRAND NEW
SURFACE TREATMENT: BLACK, VARNISH, OIL, BARE APPLICATION: MECHANICAL, ENGINEER

Black Round Steel Tubing Seamless , EN10297-1 Engineering And Mechanical Steel Tubing

 

 

EN10297-1 SEAMLESS CIRCULAR STEEL TUBES FOR MECHANICAL AND GENERAL ENGINEERING PURPOSES

Part 1: Non-Alloy and Alloy steel tubes

 

 

Specifications:

 

Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling

Ends: BE/PE, ends caps

Marking: as per requirement

Delivery Condition: Annealed(+A)/Normalized(+N)/+AR/+QT/+TH/+FP

Size:(mm)
      OD: 26.9 – 610mm          

   or as per customer’s requirement
Length: ≤16m. Fixed Length (6m,9m,12m, 16m or as per requirement) or random length

Package: Hexagonal Bundles with steel strips and plastic wrapping outside/Wooden box/Wooden crate/Steel frame/As per customer’s requirement

 

 

CHEMICAL COMPOSITION (%):

 

CHEMICAL COMPOSITION (CAST ANALYSIS) IN%

Grade

C≤

Si≤

Mn≤

P≤

S≤

E235

1.0308

0.17

0.35

1.2

0.03

0.035

E275

1.0225

0.21

0.35

1.4

0.03

0.035

E315

1.0236

0.21

0.30

1.5

0.03

0.035

E355

1.0580

0.22

0.55

1.6

0.03

0.035

E470

1.0536

0.16~0.22

0.1~0.5

1.3~1.7

0.03

0.035

E470 with Al≥0.01, N≤0.02

 

 

MECHNICAL PROPERTIES:

 

MECHANICAL PROPERTIES

Grade

Tensile Strength  σb(Mpa)

Yield Strength  σs(Mpa)

Elongation      δ(%)

WT (mm)

WT (mm)

≤16

16 ~ ≤40

≤16

16 ~ ≤40

E235

≥235

≥225

≥360

≥360

≥25

E275

≥275

≥265

≥410

≥410

≥22

E315

≥315

≥305

≥450

≥450

≥21

E355

≥355

≥345

≥490

≥490

≥20

E470

≥470

≥430

≥650

≥600

≥17

 

 

DELIVERY CONDITION:

 

Delivery condition

Steel grade

Delivery condition

E235

+AR or H15+N

E275

+AR or H16+N

E315

+AR or H17+N

E355

+AR or H18+N

E470

+AR

 

 

DIMENSION TOLERANCE:

 

OD (mm)

OD Tolerance

WT Tolerance (T/D)

≤0.025

0.025~0.05

>0.05

OD≤219.1

±1% or ±0.5mm (follow the bigger one)

±12.5% or ±0.4mm (follow the bigger one)

OD>219.1

±1%

±20%

±15%

±12.5%

Length Tolerance (mm)

≤6000

0 - +10

6000<L≤12000

0 - +15

>12000

0 / + By Negotiable

 

 

INSPECTION AND TEST:

 

CHEMICAL COMPOSTION TEST. MECHANICAL PROPERTIES TEST(tensile strength, yield strength, elongation, flaring, flattening, impact, hardness, etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/ultrasonic test), HYDRAULIC TEST.

 

 

Description:

 

EN10297-1 SEAMLESS CIRCULAR STEEL TUBES MADE OF NON-ALLOY AND ALLOY STEELS FOR MECHANICAL AND GENERAL ENGINEERING PURPOSES.

Top quality products

 

 

Applications:

 

For mechanical and general engineering purposes. 

 

 

Competitive Advantage:

 

Always put quality on first consideration makes us keep our qulity stable and good. Always put customer’s benefit before ours makes our good service and gain us good reputation.

Advanced equipments. Sincere , truth and careful attitude on communication and production.

Contact Details
CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

Contact Person: Ms. Brenda

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