MachineU > China Products > Minerals & Metallurgy > Carbon Steel > Steel Pipes > Seamless Steel Pipes
DIN2391 ST37.4 High Precision Cold Drawn Seamless Carbon Steel Tube for Hydraulic Cylinders
DIN2391 ST37.4 High Precision Cold Drawn Seamless Carbon Steel Tube for Hydraulic Cylinders
DIN2391 ST37.4 High Precision Cold Drawn Seamless Carbon Steel Tube for Hydraulic Cylinders
DIN2391 ST37.4 High Precision Cold Drawn Seamless Carbon Steel Tube for Hydraulic Cylinders
DIN2391 ST37.4 High Precision Cold Drawn Seamless Carbon Steel Tube for Hydraulic Cylinders
DIN2391 ST37.4 High Precision Cold Drawn Seamless Carbon Steel Tube for Hydraulic Cylinders
Specifications
Brand Name :
Hongbao
Model Number :
HBPST-1
Certification :
TS16949, DNV, PED, ISO
Place of Origin :
Jiangsu, China
MOQ :
1 ton
Price :
Negotiable
Supply Ability :
30000MT per year
Delivery Time :
Within 50 days if production
Packaging Details :
seaworthy plywooden case packing.
Payment Terms :
L/C,T/T
Material: :
ST37.4, ST52.4, E235, E355, 26MnB5, 34MnB5
Brand: :
Hongbao
Certificate: :
TS16949, DNV, PED, ISO
Origin: :
Jiangsu,China
OD: :
6-120mm
Thickness: :
0.5-15mm
Type: :
Welded or Seamless
Processing: :
Cold Drawn, Cold Rolled
Description
DIN2391 ST37.4 OD6 High Precision Seamless Carbon Steel Tube Precision Steel Tube For Brake Pipes
Product Overview

DIN2391 E235 high precision seamless carbon steel tube for brake pipes is manufactured to precise specifications, ensuring consistent wall thickness, smooth surface, and accurate dimensions. Ideal for automotive brake systems, these tubes provide reliable and efficient fluid transfer, enhancing vehicle safety and performance.

Dimensional Tolerances
OD GB/T3639(GB8713) DIN2391(EN10305) Our Tolerance Best Quality
4-30mm±0.10mm±0.08mm±0.05mm±0.02mm
31-40mm±0.15mm±0.15mm±0.05mm±0.03mm
41-50mm±0.20mm±0.20mm±0.05mm±0.03mm
51-60mm±0.25mm±0.25mm±0.08mm±0.03mm
61-70mm±0.30mm±0.30mm±0.10mm±0.05mm
71-160mm±0.30mm±0.30mm±0.10mm±0.05mm
Tolerance in WT±0.12mm±0.10mm±0.05mm±0.03mm
Manufacturing Processes
Process Diameter Length Precision Inner Hole Roughness
Cold Rolled30-100mm≤12 mH8-H100.4-1.6
Cold Draw30-250mm≤12 mH8-H100.8-1.6
Honing40-500mm≤12 mH8-H90.4-0.8
Rolling40-400mm≤7 mH80.4
Inner Diameter Tolerances
Inner Diameter H8 H9 H10 5-30mm
30mm±0.033±0.052±0.084±0.080
30-50mm±0.039±0.062±0.100
50-80mm±0.046±0.074±0.120
80-120mm±0.054±0.087±0.140
120-180mm±0.063±0.100±0.160
180-250mm±0.072±0.115±0.185
250-315mm±0.081±0.130±0.210
315-400mm±0.089±0.140±0.230
Quality Testing
  • 100% PMI, Spectro Chemical Analysis Test for Raw Material
  • 100% Dimension & Visual Examination
  • Mechanical Properties Test including Tension Test, Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test, Reversed Flattening Test
  • 100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test (ET or UT)
Technical Specifications
Material Grade: 10#~45#, 16Mn, ST35~ST52
Length: As customer's requirement
Standard: DIN2391, EN10305, GB/T3639, GB8713
Application: Hydraulic cylinder, automobile
Heat Treatment: According to customer's requirements
Delivery Time: 30 days or according to customer requirements
Packaging Options
  • Bundle packing
  • Marking as per customer's requests
  • Paint on the pipe as per customer request
  • Pipe caps as customer required
DIN2391 ST37.4 High Precision Cold Drawn Seamless Carbon Steel Tube for Hydraulic Cylinders
Product tags

din2391 seamless precision steel tube

,

din2391 precision seamless steel tube

,

4 inch schedule 40 steel pipe
Send your message to this supplier
Send Now

DIN2391 ST37.4 High Precision Cold Drawn Seamless Carbon Steel Tube for Hydraulic Cylinders

Ask Latest Price
Watch Video
Product Detail
Brand Name :
Hongbao
Model Number :
HBPST-1
Certification :
TS16949, DNV, PED, ISO
Place of Origin :
Jiangsu, China
MOQ :
1 ton
Price :
Negotiable
Contact Supplier
video
DIN2391 ST37.4 High Precision Cold Drawn Seamless Carbon Steel Tube for Hydraulic Cylinders
DIN2391 ST37.4 High Precision Cold Drawn Seamless Carbon Steel Tube for Hydraulic Cylinders
DIN2391 ST37.4 High Precision Cold Drawn Seamless Carbon Steel Tube for Hydraulic Cylinders

Jiangsu Hongbao Group Co., Ltd.

Verified Supplier
9 Years
jiangsu
Since 1958
Business Type :
Manufacturer
Main Products :
Welded Steel Tube, Precision Steel Tube, Hollow Steel Tube
Total Annual :
>76000000
Employee Number :
700~1000
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products Precision Steel Tube
MachineU China Products Minerals & Metallurgy Carbon Steel Steel Pipes Seamless Steel Pipes
Contact Supplier
Submit Requirement