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DIN 2391 ST37 Seamless Precision Steel Tubes Cold Drawn Seamless Carbon Steel Pipe

DIN 2391 ST37 Seamless Precision Steel Tubes Cold Drawn Seamless Carbon Steel Pipe

DIN 2391 ST37 Seamless Precision Steel Tubes Cold Drawn Seamless Carbon Steel Pipe
DIN 2391 ST37 Seamless Precision Steel Tubes Cold Drawn Seamless Carbon Steel Pipe
Categories Seamless Precision Steel Tube
Brand Name: TORICH
Model Number: DIN 2391 ST37
Certification: ISO8001 ISO14001 TS16949
Place of Origin: Zhejiang/China
MOQ: 1 Ton
Price: Negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 60000 Ton/Tons per Year
Delivery Time: 20-40days
Packaging Details: In bundles or in wooden boxes.
Technique: Cold Drawn,Hot Rolled,Cold Rolled
Application: Precision
Standard: ASTM,GB,DIN,API
Alloy or not: Non-alloy
Thickness: 2 - 120 mm
Section shape: Round,rectangular/ square/ round
Surface treatment: customerized
Grade: ST37
Grade group: ST35-ST52
Special pipe: precision seamless pipe,precision seamless steel tube
Secondary or not: Non-secondary
Outer diameter(round): 20 - 480 mm
Length: Customer's Requirement
Product name: Precision seamless honed steel tube for cylinder
Shape: Round/Square/Rectangular
Type: Seamless
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Company Info.
TORICH INTERNATIONAL LIMITED
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DIN 2391 ST37 Seamless Precision Steel Tubes Cold Drawn Seamless Carbon Steel Pipe

DIN 2391 ST37 Seamless Precision Steel Tubes Cold Drawn Seamless Carbon Steel Pipe

Material

DIN 2391 ST37 seamless precision steel tubes are manufactured from medium carbon steel (carbon steel) with excellent weldability, machinability, and strength. The material is cold drawn to achieve tighter tolerances and superior surface finish compared to hot finished pipes.

Specification

  • Standard: DIN 2391
  • Material Grade: ST37
  • Type: Seamless cold drawn precision steel tubes
  • Manufacturing Process: Hot finished seamless followed by cold drawing/pilgering
  • Dimensions: Outer diameter and wall thickness as per DIN 2391 standards, precise tolerances ensured
  • Surface finish: Smooth, precise with minimal machining allowances

Key Features

  • High dimensional accuracy and tight tolerances
  • Smooth surface finish without scale or rust
  • Excellent mechanical properties suitable for engineering applications
  • Good weldability and machinability
  • Available in various sizes and lengths according to DIN 2391 standards
  • Widely used in hydraulic cylinders, mechanical parts, automotive components, and construction

Chemical Composition

Element Min (%) Max (%)
Carbon (C) 0.12 0.20
Manganese (Mn) 0.30 0.65
Phosphorus (P) — 0.045
Sulfur (S) — 0.045
Silicon (Si) — 0.40
Copper (Cu) — 0.35
Nickel (Ni) — 0.30
Chromium (Cr) — 0.30
Molybdenum (Mo) — 0.08

Note: Actual composition may vary slightly depending on manufacturer specifications.

Mechanical Properties

Property Value (Typical)
Tensile Strength (Rm) 370 - 510 MPa
Yield Strength (Re) ≥ 235 MPa
Elongation (A5) ≥ 26%
Hardness (Brinell) Max 150 HB
Impact Energy (Charpy V-notch) ≥ 27 J (at 20°C)

Steel Grade

The steel grade ST37 corresponds to a mild/medium carbon steel with moderate strength and good ductility, used widely in structural and mechanical engineering.

Application

  • Hydraulic and pneumatic cylinders
  • Precision mechanical parts
  • Automotive and machine building industry
  • Structural components requiring tight tolerances and high surface quality
  • Axles, shafts, pins, and bolts
  • Furniture and fitness equipment manufacturing

Equivalent Grades

Standard Equivalent Grade
DIN EN 10025 S235JR
DIN 17100 St 37-2
ISO 630 C22E
ASTM A106 Grade B (similar but not identical)

TORICH Group, an one-stop service provider of raw materials engaged in raw material production, R&D and
trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and
credibility among domestic and foreign customers.
The company's production plant covers an area of over 10,000 square meters, with an annual production
capacity of 50,000 tons of materials and a comprehensive trading and warehousing capacity of 100,000 tons, which can satisfy customers' personalized needs for raw materials in terms of diversity and timeliness.
The group holds shares in more than ten domestic production entities, whose main products include
seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings ( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.), aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC deep processing of metal materials such as tubes, rods, and casting parts.
Over the past 30 years, the company has been gradually developing new technologies and materials to meet
the growing needs of customers and various diversified needs, exporting to more than 56 countries and still
increasing the number of exporting countries, aiming to help customers to solve the demand for raw materials, and to facilitate one-stop purchasing for customers.

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.

Quality DIN 2391 ST37 Seamless Precision Steel Tubes Cold Drawn Seamless Carbon Steel Pipe for sale

DIN 2391 ST37 Seamless Precision Steel Tubes Cold Drawn Seamless Carbon Steel Pipe

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