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 ProductsMild Steel Tube

Thick Wall Seamless Mild Steel Tube / Pipes , 1 / 2 - 5inch Outer Diameter

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

Thick Wall Seamless Mild Steel Tube / Pipes , 1 / 2 - 5inch Outer Diameter

China Thick Wall Seamless Mild Steel Tube / Pipes , 1 / 2 - 5inch Outer Diameter supplier

Large Image :  Thick Wall Seamless Mild Steel Tube / Pipes , 1 / 2 - 5inch Outer Diameter

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
Supply Ability: 6000MT/Month
Detailed Product Description
STANDARD: ASTM, ASME SHAPE: ROUND
SECONDARY OR NOT: BRAND NEW PROCESSING: COLD DRAWN
TECHNIQUE: SEAMLESS CERTIFICATE: PED, ISO9001, ISO14001
APPLICATION: BOILER, SUPERHEATER, PRESSURE VESSEL MATERIAL: CARBON STEEL

Thick Wall Seamless Mild Steel Tube / Pipes , 1 / 2 - 5inch Outer Diameter

 

 

SPECIFICATIONS:

 
Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling
Ends: BE/PE, ends caps
Marking: as per requirement
Delivery Condition: Annealed/Normalized/Tempered
Size:(mm)
     OD:12.7 – 127mm (1/2 – 5 in.)         WT: 0.9 – 12.7mm (0.035 – 0.5in.)    

   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 (%):

 

Grade

C≤

Mn

P≤

S≤

Si≥

A-1

0.27

≤0.93

0.035

0.035

0.10

C

0.35

0.29-1.06

0.035

0.035

0.10

 
 
MECHNICAL PROPERTIES:

 

Grade

Tensile Strength  σb(Mpa)

Yield Strength σs(Mpa)

Elongation      δ(%)

Hardness (HRB)

A-1

≥255

 

30

≤79

C

≥275

 

30

≤89

 
 
DIMENSION TOLERANCE:

 

Processing

Size

Tolerance

SEAMLESS

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

76.2~101.6mm

±0.38mm

101.6~190.5mm

+0.38mm~-0.64mm

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, hardness, etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/ultrasonic test), HYDRAULIC TEST.
 
 
Description:
 
ASTM A210(ASME SA210/210M)  
Seamless carbon steel pipe for high pressure boiler and superhearter
Size range from OD: 12.7 – 127mm (1/2 – 5 in.)    WT: 0.9 – 12.7mm (0.035 – 0.5in.), or as per customer’s requirement
ASTM A210 is the standard covers seamless middle-carbon steel boiler and superheater tubes. It is minimum-wall-thickness tubes under this standard. Mainly used in boiler & boiler flues including safe ends, arch and stay tubes. ASTM A210 provides tensile and hardness properties but only applicable to certain size limitations. Material manufacturing shall be killed. Tubes shall be made by seamless process, marked as either hot-finished or cold-finished. Surface condition shall be specifically stated in the order. Chemical composition shall conform to the requirements. Elemental composition other than listed here shall not be permitted. Tension test, flattening test, flaring test, hardness test, hydrostatic or nondestructive electric test shall be made on specimens. Superheater tubes shall be formed without defects and shall withstand expansion, beading, forging, welding, and bending.
Top quality products
 
 
Applications:
 
Mianly used for boiler, boiler flue, including safe ends, arch and stay tubes. Superheater. Heat-exchanger and other heat supply/heat transfer equipment. Petro-chemical industry, transportation of fluids, water, oil, gas, steam etc. 
 
 
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.

 

 

Thick Wall Seamless Mild Steel Tube / Pipes , 1 / 2 - 5inch Outer Diameter

Contact Details
CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

Contact Person: Ms. Brenda

Send your inquiry directly to us (0 / 3000)