Project Description

Commitment to You

We are committed to integrate steel resources in china and serve the global steel market. We have 15+ years of experience in steel researching, production, managing and sales.

Our ability to purchase materials directly from leading mills will give you the competitive edge. Any Questions Just Call +86-731-89903933

Application:

Boiler, Superheater, and Heat-Exchanger

Quality Standard:

ASTM A213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

Size Range:

  • Outer Dimensions.: 19.5mm-457mm
  • Wall Thickness:2mm-60mm
  • Length: 17000mm max

Chemical Composition(%):

Grade C Si Mn P S Cr Mo V Ni Cb N Al
T9 0.15 max 0.50 max 0.25-1.00 0.025 max 0.025 max 8.00-10.00 0.90-1.10 / / / / /
T12 0.05-0.15 0.50 max 0.30-0.60 0.025 max 0.025 max 0.80-1.25 0.44-0.65 / / / / /
T91 0.08-0.12 0.20-0.50 0.30-0.60 0.020 max 0.010 max 8.00-9.50 0.85-1.05 0.18-0.25 0.40 max 0.06-0.10 0.030-0.070 0.04 max

Mechanical Properties( T=20°C if not differently stated ):

Gradesth> Tensile Strength Rm (Mpa) Yield Strength R2 (Mpa) Elongation in the longitudinal direction Al (%) Hardness (HB)
T9 415 min 205 min 30 min 179 max
T12 415 min 220 min 30 min 163 max
T91 585 min 415 min 20 min 250 max

Protection:

Pipes are supplied:

  1. Black and bear.
  2. External varnished with black or clear lacquer.
  3. Oiled.

Upon request, pipes ends are protected by plastic caps

Marking:

Pipes are supplied with marking according to standard and customer request.

Marking is paint and/or die stenciled on the ends of pipes. The same data, as well as additional information per customer’s request, is indicated on the bundle’s tags.

Delivery:

  1. Pipes are supplied in hexahedral bundles or round bundles tied with steel strip.
  2. Weight of bundle – up to 5000 kg upon request of customer.
  3. Each bundle is furnished with three tags.

Experienced 15+ Years

Our ability to purchase materials directly from leading mills at the best possible price will give you the competitive edge. This coupled with a skilled workforce dedicated to embracing the demands of the markets.

We Can Supply Follows Products with High Quality:

  1. Cold Rolled Steel Tube
  2. Cold Drawn Steel Tube
  3. Hollow Bar
  4. Honed Tube
  5. Plated Tube
  6. Plated Bar
  7. Boiler Tube

All Products According Quality Standard Strictly:

  1. ASTM: ASTM A519, ASTM A513.
  2. JIS:JIS G3441, JIS G3445, JIS G3466, JIS G3459.
  3. DIN: DIN1626, DIN1629, DIN2391, DIN2393, DIN2448, DIN2458.
  4. EN: EN10305.
  5. BS: BS6323.

Wide Range of Pipes to Fit Your Industry:

  1. OD from 5mm to 820mm.
  2. Wall Thickness from 0.1 to 100mm.
  3. Length up to 50mtr per pc.

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