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Phone Number : +86 13853272823
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STD Gb 3087 Grade 10 Steel-made High Quality Corrosion-resistant Seamless Boiler Tubes Carbon Steel

  • STD Gb 3087 Grade 10 Steel-made High Quality Corrosion-resistant Seamless Boiler Tubes Carbon Steel
  • STD Gb 3087 Grade 10 Steel-made High Quality Corrosion-resistant Seamless Boiler Tubes Carbon Steel
  • STD Gb 3087 Grade 10 Steel-made High Quality Corrosion-resistant Seamless Boiler Tubes Carbon Steel
  • STD Gb 3087 Grade 10 Steel-made High Quality Corrosion-resistant Seamless Boiler Tubes Carbon Steel
  • STD Gb 3087 Grade 10 Steel-made High Quality Corrosion-resistant Seamless Boiler Tubes Carbon Steel
Place of Origin Shandong China
Brand Name TESTE
Certification ISO TUV SGS BIS CE
Minimum Order Quantity 3Tons
Price Negotiate
Packaging Details With iron sheet to pack the steel sheet and pallet .Also make the shipping marks on each bundles.
Delivery Time 5-15days depend on the quantity
Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram,OA
Supply Ability 5000Tons Per Months

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Product Details
Product Name Carbon Steel Pipe Standard GB 3087
Grade GB 3087 Grade 10 Type Seamless Pipe(SMLS)
Thickness Schedule STD, 40, XS, 80, XXS, 160 Pipe End Plain End,Beveled End,Treaded
Product Name Seamless Carbon Steel Pipe High Light STD Gb 3087 Grade 10 Steel-made High Quality Corrosion-resistant Seamless Boiler Tubes Carbon Steel
High Light

gb 3087 grade 10 seamless boiler tubes

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std seamless boiler tubes

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gb 3087 grade 10 cs seamless pipe
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Product Description
GB 3087 Grade 10 Seamless Boiler Tubes

GB 3087——Seamless steel tube for low and medium pressure boilers
GB 3087 standard is applicable to the manufacture of high-quality carbon structural steel hot-rolled (extruded, expanded) and cold drawn (rolled) seamless steel tubes for various structural low-pressure and medium-pressure boilers and locomotive boilers.

STD Gb 3087 Grade 10 Steel-made High Quality Corrosion-resistant Seamless Boiler Tubes Carbon Steel 0

WORKING CONDITION

 

GB 3087 grade 10 seamless steel pipe is mainly used for manufacturing heating surface of industrial boiler, with working pressure ≤ 5.9mpa
When GB 3087 grade 10 is used as heating surface pipe, the maximum wall temperature ≤ 480 ℃, and when GB 3087 grade 10 is used as header and steam pipe, the maximum wall temperature ≤ 430 ℃.
 

GB3087 STEEL PIPE MECHANICAL PERFORMANCE

 

Standard Grade Chemical Composition(%)
C Si Mn P S Cr Cu Ni
GB3087 10 0.07～0.13 0.17～0.37 0.38～0.65 ≤0.030 ≤0.030 0.3～0.65 ≤0.25 ≤0.30

 

mechanical properties:

Standard Steel pipe Wall thickness(mm) Tensile strength(MPa) Yield Strength(MPa) Elongation
GB3087 10 / 335～475 ≥195 ≥24

 

ALLOWABLE DEVIATION OF OUTER DIAMETER AND WALL THICKNESS

Type of steel pipe Outer diameter(mm) Tolerance
ordinary advanced
Hot rolled tube OD ≤159 ±10%(min±0.50mm) ±0.75%(min±0.40mm)
＞159 ±1.0% ±0.90%
WT ≤20 ＋15.0%(min＋0.45mm) ±10%(min±0.30mm)
－12.5% －0.35mm)
＞20 ±12.5% ±10%
OD≥351 ±15%
Cold drawn tube OD 10～30 ±0.40mm ±0.20mm
＞30～50 ±0.45mm ±0.25mm
＞50 ±1.0% ±0.75%
WT 1.5～3.0 15% ±10%
-10%
＞3.0 12.50% ±10%
-10%

 

PROCESS PERFORMANCE

 
(1) Forging and rolling
GB 3087 grade 10 steel has good pressure processability. The initial rolling temperature is 1200-1280 ℃, and the final rolling temperature is 800-850 ℃, which can be cooled by air after rolling (forging).
 
(2) Cold working
GB 3087 grade 10 steel has excellent plasticity, which can be pulled down, punched, locally upset and expanded in cold state.
 
(3) Heat treatment
GB 3087 grade 10 seamless steel pipe is generally used in hot rolling state, and cold drawn (rolled) steel pipe is used in heat treatment state. Normalizing heat treatment is often used, and the normalizing temperature is 900-940 ℃.
 
(4) Welding
The weldability of GB 3087 grade 10 steel is good, and it generally has no hardening tendency. When it is suitable for welding and manufacturing boiler heating surface parts by various welding methods, it usually adopts manual welding or gas shielded welding and other welding methods. E4303 (J422) and e4315 are often used for manual welding. No preheating before welding and no heat treatment after welding.



Test:
- Chemical composition verification test
- hydrostatictest
- Tensile test
- Notched impact test
- Yield strength test
- Ring test
- Nondestructive testing

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