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Home> Products> Boiler Tube> Carbon Steel Boiler Tube> DIN2391 ST 37.4 NBK Cold Drawn Boiler Tube

DIN2391 ST 37.4 NBK Cold Drawn Boiler Tube

Payment Type: L/C,T/T

Transportation: Ocean,Air,Land

  • $5-50 /Kilogram

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Product Attributes Supply Ability & Additional Information Company Overview Company Photos Product Description
Product Attributes

BrandYuhong Group

StatusNew

Applicable IndustryFood &Amp; Beverage Factory, Construction Works, Energy &Amp; Mining

Video Factory InspectionNot Available

Mechanical Test ReportProvided

Marketing TypeNew Product 2020

Place Of OriginChina

Types Of PartsBoiler Tube

Product Description

DIN2391 ST 37.4 NBK Cold Drawn Boiler Tube

We are one of the biggest manufactures of stainless steel & duplex steel & alloy steel tubes and pipes in China. With development more than 20 years, we have accumulated a great many clients all around the world and Yuhong products also won the great praise among the customers.


DIN 2391 Seamless Precision Steel Tubes Characteristic

  • Smaller diameters
  • High precision in physical property
  • Good surface quality
  • Complex Steel Cross Area
  • Superior Performance

DIN 2391 Seamless Precision Steel Tubes Mechanical Properties

Pipe types Steel grades Minimum resistance properties
+C +LC +SR +A +N
Rm [MPa] A% Rm [MPa] A% Rm [MPa] Re [MPa] A% Rm [MPa] A% Rm [MPa] Re [MPa] A%
Precise seamless steel pipes St35, St45, St52 According to DIN 2391 St 35 480 6 420 10 420 350 14 315 25 340- 470 235 25
St 45 580 5 520 8 520 375 12 390 21 440- 570 255 21
St 52 640 4 580 7 580 420 10 490 22 490- 630 355 22


DIN 2391 Seamless Precision Steel Tubes Chemical Composition

Grade Mfg. Process Chemical composition(%)
C Si Mn P S Ni Cr Mo Others
St30Si S 0.10Max 0.30Max 0.55Max 0.040Max 0.040Max - - - -
St30A1 S 0.10Max 0.05Max 0.55Max 0.040Max 0.040Max - - - Al deoxydized
St35 S 0.17Max 0.35Max 0.40Max 0.050Max 0.050Max - - - -
St45 S 0.21Max 0.35Max 0.40Max 0.050Max 0.050Max - - - -
St52 S 0.22Max 0.55Max 1.60Max 0.050Max 0.050Max - - - -


Specification

Standards DIN 2391-1 Cold Drawn Tube
DIN 2391-1 Cold Drawn Seamless Pipe Size 4 to 219mm W. T.: 0.5 to 20mm
DIN 2391-1 Cold Drawn Welded Pipe Size 5.0 mm – 1219.2 mm
DIN 2391-1 Cold Drawn EFW Pipe size 5.0 mm – 1219.2 mm
DIN 2391-1 Cold Drawn Tube Swg & Bwg 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
DIN 2391-1 Cold Drawn Pipe Schedule SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
DIN 2391-1 Cold Drawn Seamless Tube Size 3.35 mm OD To 101.6 mm OD
DIN 2391-1 Cold Drawn Welded Tube Size 6.35 mm OD To 152 mm OD
Swg & Bwg 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
DIN 2391-1 Cold Drawn Tube wall thickness 0.020" –0.220", (special wall thicknesses available)
Length Single Random, Double Random, Standard & Cut length Pipe & Tube
Finish Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
Form Round, Hydraulic, ‘U’ bent or Hollow,LSAW, Boiler, Straight Pipe, Clad Pipe, Rectangular, Square Pipe Etc
Type Welded, Seamless, ERW, EFW, Fabricated Pipe, ‘U’ bent or Hollow, Hydraulic, LSAW, Boiler, Straight Tube, Tube Coil, Round, Rectangular, Square Tube etc
End Plain End, Beveled End, Treaded Pipe & Tube
Application Oil Pipe & Tube, Gas Pipe & Tube, Fluid Pipe & Tube, Boiler Pipe & Tube, Heat Exchanger Tube
Value Added Service Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc.


Application

  • Machinery use
  • Auto shock reducer inner cylinder
  • Oil cylinder tube
  • Motorcycle shock reducer steel tubes

DIN 2391 Stainless Steel Seamless Tube Application Industries

  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals
  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry

DIN 2391 Stainless Steel Seamless Tube Test Certificates

  • EN 10204/3.1B,
  • Raw Materials Certificate
  • 100% Radiography Test Report
  • Third Party Inspection Report, etc

Material Testing:

  • Mechanical Testing Such as Tensile of Area
  • Hardness Test
  • Chemical Analysis – Spectro Analysis
  • Positive Material Identification – PMI Testing
  • Flattening Test
  • Micro and MacroTest
  • Pitting Resistance Test
  • Flaring Test
  • Intergranular Corrosion (IGC) Test
Packaging & Delivery
Selling Units : Kilogram
Supply Ability & Additional Information

Productivity600 Tons Per Month

TransportationOcean,Air,Land

Place of OriginChina

CertificateTUV, ABS

PortNingbo,Shanghai,Tianjin

Payment TypeL/C,T/T

IncotermFOB,CFR,CIF,EXW

Company Overview

Yuhong Group Co.,Limited is one of the largest Procurement Engineering and Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004. Yuhong Group has expanded its field of activities and entered in trade and supply of tubular & flat products in Stainless Steel, Carnon steel, Alloy Steel as well as a series of special materials for our reputed clients worldwide. These products are widely used in various important sectors like Mining, Energy, Petrochemical, Chemical Industry, Food Plant, Paper Plant, Gas and Fluid Industry etc.

Yuhong Group has gained rich experience in Pipes, Fittings, Flanges, Valves, Structural steel, Coils and Plates in past seven years. In a short span of time, Yuhong Group has marked its global presence in more than 30 countries. We have successfully implemented the orders of Cross Country Pipelines for our valuable customers. In addition, we have also developed a huge network of contacts and strategic alliances with most important manufacturers an stockists around the world.

It allows us to offer highly competitive solutions with certified quality, complying with high standard of today's industry. In the supply chain of Yuhong Group,Stainless Steel Pipe and Tube, which are produces by our factories : Zhejiang Yuhongwell Steel Co.,Ltd , Zhejiang Zhongwu Tube Manufacturing Co.,Ltd , Jiangsu New Zhongzhou Special Alloy Materials Co.,Ltd etc. And all of other products' suppliers are approved by our QC department. About Stainless Steel Fittings & Flanges, our suppliers are approved by PED, AD2000, DNV, ABS, TS, GL, LR, KR, GOST, NK, etc. Similarly in Carbon steel pipe/tube/fitting, our suppliers are approved by API5L, API 5CT,API 5D, PED etc. When we place the order, it is our practice to follow the order start from raw material. After getting the material ready, our QC people make strict inspection again before loading the material. We will follow the whole processing of producing, marking ,packing and inspection before deliver to customer.

Company Photos
Product Description

Round Cold Drawn Seamless Tube, EN10305-2 E235N , AUTO APPLICATION

We are one of the biggest manufactures of stainless steel & duplex steel & alloy steel tubes and pipes in China. With development more than 20 years, we have accumulated a great many clients all around the world and Yuhong products also won the great praise among the customers.

 

DIN 2391 Seamless Precision Steel Tubes Characteristic

  • Smaller diameters
  • High precision in physical property
  • Good surface quality
  • Complex Steel Cross Area
  • Superior Performance

DIN 2391 Seamless Precision Steel Tubes Mechanical Properties

Pipe types Steel grades Minimum resistance properties
+C +LC +SR +A +N
Rm [MPa] A% Rm [MPa] A% Rm [MPa] Re [MPa] A% Rm [MPa] A% Rm [MPa] Re [MPa] A%
Precise seamless steel pipes St35, St45, St52 According to DIN 2391 St 35 480 6 420 10 420 350 14 315 25 340- 470 235 25
St 45 580 5 520 8 520 375 12 390 21 440- 570 255 21
St 52 640 4 580 7 580 420 10 490 22 490- 630 355 22

 

DIN 2391 Seamless Precision Steel Tubes Chemical Composition

Grade Mfg. Process Chemical composition(%)
C Si Mn P S Ni Cr Mo Others
St30Si S 0.10Max 0.30Max 0.55Max 0.040Max 0.040Max - - - -
St30A1 S 0.10Max 0.05Max 0.55Max 0.040Max 0.040Max - - - Al deoxydized
St35 S 0.17Max 0.35Max 0.40Max 0.050Max 0.050Max - - - -
St45 S 0.21Max 0.35Max 0.40Max 0.050Max 0.050Max - - - -
St52 S 0.22Max 0.55Max 1.60Max 0.050Max 0.050Max - - - -

 

Specification

Standards DIN 2391-1 Cold Drawn Tube
DIN 2391-1 Cold Drawn Seamless Pipe Size 4 to 219mm W. T.: 0.5 to 20mm
DIN 2391-1 Cold Drawn Welded Pipe Size 5.0 mm – 1219.2 mm
DIN 2391-1 Cold Drawn EFW Pipe size 5.0 mm – 1219.2 mm
DIN 2391-1 Cold Drawn Tube Swg & Bwg 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
DIN 2391-1 Cold Drawn Pipe Schedule SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
DIN 2391-1 Cold Drawn Seamless Tube Size 3.35 mm OD To 101.6 mm OD
DIN 2391-1 Cold Drawn Welded Tube Size 6.35 mm OD To 152 mm OD
Swg & Bwg 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
DIN 2391-1 Cold Drawn Tube wall thickness 0.020" –0.220", (special wall thicknesses available)
Length Single Random, Double Random, Standard & Cut length Pipe & Tube
Finish Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
Form Round, Hydraulic, ‘U’ bent or Hollow,LSAW, Boiler, Straight Pipe, Clad Pipe, Rectangular, Square Pipe Etc
Type Welded, Seamless, ERW, EFW, Fabricated Pipe, ‘U’ bent or Hollow, Hydraulic, LSAW, Boiler, Straight Tube, Tube Coil, Round, Rectangular, Square Tube etc
End Plain End, Beveled End, Treaded Pipe & Tube
Application Oil Pipe & Tube, Gas Pipe & Tube, Fluid Pipe & Tube, Boiler Pipe & Tube, Heat exchanger Tube
Value Added Service Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc.


Application

  • Machinery use
  • Auto shock reducer inner cylinder
  • Oil cylinder tube
  • Motorcycle shock reducer steel tubes

DIN 2391 Stainless Steel Seamless Tube Application Industries

  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals
  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry

DIN 2391 Stainless Steel Seamless Tube Test Certificates

  • EN 10204/3.1B,
  • Raw Materials Certificate
  • 100% Radiography Test Report
  • Third Party Inspection Report, etc

Material Testing:

  • Mechanical Testing Such as Tensile of Area
  • Hardness Test
  • Chemical Analysis – Spectro Analysis
  • Positive Material Identification – PMI Testing
  • Flattening Test
  • Micro and MacroTest
  • Pitting Resistance Test
  • Flaring Test
  • Intergranular Corrosion (IGC) Test

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Home> Products> Boiler Tube> Carbon Steel Boiler Tube> DIN2391 ST 37.4 NBK Cold Drawn Boiler Tube
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2015, ISO 14001, ISO 18001, API 5L , API 5CT , API 6D, And our branch company Zhejiang Yuhongwell Steel Co.Ltd has expanded its field of activities and entered in trade and supply of tubular & flat products in Duxplex and Super Duplex, Stainless Steel, Nickel Base alloy Steel ,Cr-Mo alloy steel , Copper Nickel alloy steel,Carbon Steel for our reputed clients worldwide. These products are widely used in various important sectors like Mining, Energy, Boiler & Heat Exchanger, Petrochemical, Chemical Industry, Food plant, Paper plant, Gas and Fluid Industry etc. YUHONG HOLDING GROUP has gained rich experience in Pipes, Fittings, Flanges, Valves, Structural steel, Coils and Plates in past eight years. In a short span of time, YUHONG brand has marked its global presence in more than 40 countries, like, Korea, USA, Canada, Mexico, Colombia, Bolivia, Chile, Argentina, Brazil, Ecuador, Austria, New Zealand,...
Copyright © 2024 YUHONG HOLDING GROUP CO.,LIMITED---ZHEJIANG YUHONGWELLSTEEL CO,. LTD All rights reserved. Privacy Policy
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