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DIN2391-2 ST37 Oiled Seamless Stainless Steel Tubing For Hydraulic Cylinder

Minimum Order Quantity : 1 Ton Price : negotiable
Packaging Details : DIN2391-2 ST35 Cold Drawn Precision Seamless Steel Tube for Hydraulic Cylinder Packed In export packaging Delivery Time : 45 Days
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 60000 Tons/Year
Place of Origin: China Brand Name: TORICH
Certification: iso Model Number: DIN2391-2

Detail Information

Product Name: DIN2391-2 ST37 Cold Drawn Precision Seamless Steel Tube For Hydraulic Cylinder Keyword: Precision Seamless Steel Tube
OD: 6-130mm WT: 1-25mm
Length: 3-12m Standard: ASTM A485
Shape: Round Shape Usage: Hydraulic Cylinder
Brand: TORICH Surface Finish: Oiled
High Light:

Hydraulic Cylinder Seamless Stainless Steel Tubing

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Oiled Seamless Steel Tubing

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Seamless Stainless Steel Tubing 12m

Product Description

DIN2391-2 ST37 Cold Drawn Precision Seamless Steel Tube for Hydraulic Cylinder

 

product DIN2391-2 ST35 Cold Drawn Precision Seamless Steel Tube for Hydraulic Cylinder
outer diameter 5-120mm
wall thickness 0.5-20mm
tolerance less than +/-0.05mm
length 2-8m
character fine finish outside and inside, smooth surface, high precision, oil surface prevent rust , produce as customers' drawing
standard DIN2391-1
usage machinery,damper,automobile fittings, metal products, refrigeration facilities, fasteners, ironware and so on
min order quantity 5 ton
packing details water proof bags or as required
delivery time 20-30 days
payment term L/C, TT
supply ability 1000 ton per month

 

Characters:

1,high temperature strength

2,high temperature correrosion resistance

3,good weldability

 

Application:frequently used in rings , steel ball,roller,and also made into all kinds of machine parrs that require high strength,high toughness,high abrasive resistance such as Spiral gauges and so on and so forth

 

Referenced Documents

1)ASTM Standards:
A29/A29M Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
E45 Test Methods for Determining the Inclusion Content of Steel
E112 Test Methods for Determining Average Grain SizeE381 Method of Macroetch Testing Steel Bars, Billets,Blooms, and Forgings
E1019 Test Methods for Determination of Carbon, Sulfur,Nitrogen, and Oxygen in Steel, Iron, Nickel, and CobaltAlloys by Various Combustion and Fusion TechniquesE1077 Test Methods for Estimating the Depth of Decarbur-ization of Steel Specimens

 

2)ISO Standard:

ISO 683 Part 17: Ball and Roller Bearing Steels

 

 

Steel Grade and Chemical Compositions:    
Steel C Mn P S Si Cr Mo
Grade max   max max max min  
1008 0.10 0.30-0.50 0.040 0.050      
1010 0.08-0.13 0.30-0.60 0.040 0.050      
1018 0.15-0.20 0.60-0.90 0.040 0.050      
1020 0.18-0.23 0.30-0.60 0.040 0.050      
1026 0.22-0.28 0.60-0.90 0.040 0.050      
1035 0.32-0.38 0.60-0.90 0.040 0.050      
1045 0.43-0.50 0.60-0.90 0.040 0.050      
4130 0.28-0.33 0.40-0.60 0.040 0.040 0.15-0.35 0.80-1.10 0.15-0.25
4140 0.38-0.43 0.75-1.00 0.040 0.040 0.15-0.35 0.80-1.10 0.15-0.25

 

Grade condition Ultimat Yield Elongation Rockwell
    Strength Strength   Hardness
    ksi Mpa ksi Mpa % B Scale
1020 HR 50 345 32 221 25 55
  CW 70 483 60 414 5 75
  SR 65 448 50 345 10 72
  A 48 331 28 193 30 50
  N 55 379 34 234 22 60
1025 HR 55 379 35 241 25 60
  CW 75 517 65 448 5 80
  SR 70 483 55 379 8 75
  A 53 365 30 207 25 57
  N 55 379 36 248 22 60
1035 HR 65 448 40 276 20 72
  CW 85 586 75 517 5 88
  SR 75 517 65 448 8 80
  A 60 414 33 228 25 67
  N 65 448 40 276 20 72
1045 HR 75 517 45 310 15 80
  CW 90 621 80 552 5 90
  SR 80 552 70 483 8 85
  A 65 448 35 241 20 72
  N 75 517 48 331 15 80
4130 HR 90 621 70 483 20 89
  SR 105 724 85 586 10 95
  A 75 517 55 379 30 81
  N 90 621 60 414 20 89
4140 HR 120 855 90 310 15 100
  SR 120 855 100 689 10 100
  A 80 552 60 414 25 85
  N 120 855 90 621 20 100
 

DIN2391-2 ST37 Oiled Seamless Stainless Steel Tubing For Hydraulic Cylinder 0DIN2391-2 ST37 Oiled Seamless Stainless Steel Tubing For Hydraulic Cylinder 1

 

QUALITY CONTROL:

1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.

 

100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.

 

FAQ

Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and 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 you need to pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
If you have another question, pls feel free to contact us

 

 

 

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