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Cold Drawn Seamless Steel Pipe ST37 ST52 Precision Carbon Steel Tube OD 6-630mm
Cold Drawn Seamless Steel Pipe ST37 ST52 Precision Carbon Steel Tube OD 6-630mm
Specifications
MOQ :
1 Ton
Price :
US $680-1,130 / Ton
Model NO. :
ST37 ST52
Surface Treatment :
Black
Section Shape :
Round
Outer Diameter :
6-630mm
Wall Thickness :
0.5-15mm
Length :
max 25m
Material Grade :
Carbon Steel / Alloy Steel
Delivery Condition :
BK, BKS, BKW, NBK, GBK
Coating :
Black painting, anti-rust oiled or varnish
Chemical Composition C :
0.17-0.22%
Chemical Composition Si :
0.35-0.55%
Chemical Composition Mn :
0.40-1.60%
Tensile Strength :
480-640 N/mm²
Yield Strength :
315-450 N/mm²
Elongation :
4-25%
Description
Cold Drawn Seamless Steel Pipe ST37 ST52
Precision carbon steel tubes manufactured to DIN2391 and EN10305 standards, designed for high-performance applications in heat exchangers and hydraulic systems.
Product Specifications
Standards: ASTM, DIN, EN, GOST, SAE, JIS
Material Grade: Carbon Steel, Alloy Steel
Outside Diameter: 19.05 mm
Wall Thickness: 2.11 mm
Length: Maximum 25 meters
Type: Cold Drawn or ERW
Ends: Plain ends or bevel ends
Key Features
  • No oxidation layer on outer and inner walls
  • No leakage under high pressure conditions
  • No cracking during flattening and flaring tests
  • No distortion after cold bending processes
  • High precision and superior surface cleanness
  • Excellent brightness for both cold drawn and hot finished products
  • Superior performance for high pressure and temperature applications
  • Available with black finish or hot dip galvanized coating
  • Excellent corrosion resistance properties
Delivery Conditions
Designation Symbol Description
Cold finished (hard) BK Tubes with high resistance to deformation, no heat treatment after final cold forming
Cold finished (soft) BKW Limited deformation with final heat treatment, suitable for cold forming
Cold finished and stress-relieved BKS Heat treatment after last cold forming, suitable for forming and machining
Annealed GBK Annealing in controlled atmosphere after last cold forming process
Normalized NBK Annealing above upper transformation point in controlled atmosphere
Material Standards & Grades
Standard Steel Grade
Chinese Standard GB5310 20G, 15MoG, 12CrMoG, 12Cr2MoG, 15CrMoG, 12Cr1MoVG
American Standard ASTM A106 Gr.A,B,C; A53 Gr.A,B; A179; A210 A-1,C; A333 Gr.1,3,6
German Standard DIN17175 ST35.8, ST45.8, ST37.0, ST44.0, ST52.0
Japanese Standard JIS G3454 STPG370, STPG410; G3461 STB340, STB410, STB440
Chemical Composition
Grade C max Si max Mn P max S max
St 35 0.17 0.35 ≥0.40 0.025 0.025
St 45 0.21 0.35 ≥0.40 0.025 0.025
St 52 0.22 0.55 ≤1.60 0.025 0.025
Applications
  • Evaporators, heat exchangers, condensers, and heat transfer equipment
  • Mechanical treatment applications in petrochemical industry
  • Transport and construction structural purposes
  • Fluid transportation in engineering projects and large equipment
  • Low and medium pressure boiler systems
  • Hydraulic pressure and pneumatic services
  • Automotive and machinery components
  • Oil cylinder tubes and shock reducer systems
Competitive Advantage
Asia's leading steel pipe manufacturer with annual production exceeding 250,000 tons. Over 60% of production shipped to more than 35 countries worldwide. We deliver quality pipes and tubes with competitive pricing and superior quality for global customers.
Product Images
Cold Drawn Seamless Steel Pipe ST37 ST52 Precision Carbon Steel Tube OD 6-630mm Cold Drawn Seamless Steel Pipe ST37 ST52 Precision Carbon Steel Tube OD 6-630mm Cold Drawn Seamless Steel Pipe ST37 ST52 Precision Carbon Steel Tube OD 6-630mm Cold Drawn Seamless Steel Pipe ST37 ST52 Precision Carbon Steel Tube OD 6-630mm
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Cold Drawn Seamless Steel Pipe ST37 ST52 Precision Carbon Steel Tube OD 6-630mm

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Product Detail
MOQ :
1 Ton
Price :
US $680-1,130 / Ton
Model NO. :
ST37 ST52
Surface Treatment :
Black
Section Shape :
Round
Outer Diameter :
6-630mm
Contact Supplier
Cold Drawn Seamless Steel Pipe ST37 ST52 Precision Carbon Steel Tube OD 6-630mm

JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

Verified Supplier
4 Years
jiangsu, wuxi
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter
Main Products :
stainless steel roofing sheet, Stainless Steel Strip, Others stainless steel sheet
Total Annual :
>1000000
Employee Number :
>100
Certification Level :
Verified Supplier
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