CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

We are leading manufacturer of CDS and HFS pipes and Tubes.

Home
Products
About Us
Factory Tour
Quality Control
Contact Us
Request A Quote
Home ProductsCarbon Steel Seamless Pipe

Black Painting Carbon Steel Seamless Pipe / Seamless Mechanical 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

As we've cooperated more than 7 years, RUIYUAN is not only a business partner, but also became a very best friend for us.

—— 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

I'm Online Chat Now

Black Painting Carbon Steel Seamless Pipe / Seamless Mechanical Tubing

China Black Painting Carbon Steel Seamless Pipe / Seamless Mechanical Tubing supplier

Large Image :  Black Painting Carbon Steel Seamless Pipe / Seamless Mechanical Tubing

Product Details:

Place of Origin: JIANGSU, CHINA
Brand Name: CHANGZHOU RUIYUAN
Certification: ISO9001, ISO14001, PED, OHSAS18001

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
Supply Ability: 6000MT/Month
Detailed Product Description
SHAPE: CIRCULAR STANDARD: ASTM, ASME
PLACE OF ORGIN: JIANGSU, CHINA PROCESSING: COLD DRAWN
TECHNIQUE: SEAMLESS CERTIFICATE: ISO9001, ISO14001, PED, OHSAS18001

Black Painting Carbon Steel Seamless Pipe / Seamless Mechanical Tubing

 

 

ASTM A179(ASME SA179)  Carbon Steel Seamless Pipes

 

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

Ends: BE/PE, ends caps

Marking: as per requirement

Delivery Condition: Annealed/Normalized/Tempered

Size:(mm)
   OD:3.2mm – 76.2mm (1/8 – 3 in.)
   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(%):

 

C≤

Mn

P≤

S≤

0.06~0.18

0.27-0.63

0.035

0.035

 

 

MECHNICAL PROPERTIES:

 

Tensile Strength  σb(Mpa)

Yield Strength σs(Mpa)

Elongation      δ(%)

Hardness (HRB)

≥325

≥180

35

≤72

 

 

 

 

 

 

DIMENSION TOLERANCE:

 

Processing

Pipe Sizes

Tolerances

SEAMLESS COLD DRAWN

OD

<25.4mm

±0.10mm

25.4~38.1mm

±0.15mm

38.1~50.8mm

±0.20mm

50.8~63.5mm

±0.25mm

63.5~76.2mm

±0.30mm

WT

OD≤38.1mm

0~+20%

OD≥38.1mm

0~+22%

 

 

INSPECTION AND TEST:

 

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

 

 

Description:

  

Cold Drawn Seamless carbon steel pipe ASTM A179 / ASME SA179 for heat-exchanger and condenser. Size range from OD3.2~76.2mm (1/8 – 3 in.), WT as per customer’s requirement

Top quality products

 

 

Applications:

 

1.  heat-exchanger and condenser

2.  heat supply

3.  heat transfer equipment

4.  low and medium pressure boiler, etc. 

 

 

Competitive Advantage:

 

Quality, service, price! Serious quality control on billet selection and finished products. Good surface quality(very few oxide skin). A179 is one of our most popular products. We exported this material to many countries about 7,500MT/Year, most of the customers have been cooperated with us for more than 6 years. Good & stable quality with the best service helped us to set up very good long-term relationships with our customers.

 

 

Black Painting Carbon Steel Seamless Pipe / Seamless Mechanical Tubing

Black Painting Carbon Steel Seamless Pipe / Seamless Mechanical Tubing

Contact Details
CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

Contact Person: Ms. Brenda

Send your inquiry directly to us (0 / 3000)