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GB/T 3639 Grade 10# 20# Precision Steel Pipes for Structural and Machinery

GB/T 3639 Grade 10# 20# Precision Steel Pipes for Structural and Machinery

GB/T 3639 Grade 10# 20# Precision Steel Pipes for Structural and Machinery
GB/T 3639 Grade 10# 20# Precision Steel Pipes for Structural and Machinery
Categories Precision Steel Tube
Brand Name: Torich
Model Number: GB/T 3639
Certification: ISO
Place of Origin: China
MOQ: 2 tons
Price: USD 1300-1500
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 600 Ton/Tons per Month
Delivery Time: 25-35 days
Packaging Details: Packed in wooden boxes or seaworthy packing.
Product name: GB/T 3639 Grade 10# 20# Precision Steel Pipes for Structural and Machinery
Keyword: Similar Quality To Mannesmann Precision Tubes Gmbh
Standard: GB/T 3639
Grade: 10#, 20#, 45#, Q345, E255, E355,etc.
Technical: Cold Drawn Cold Rolled
Brand: TORICH
Application: Structural, Machinery
Technique: Cold Drawn,Cold Rolled
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TORICH INTERNATIONAL LIMITED
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GB/T 3639 Grade 10# 20# Precision Steel Pipes for Structural and Machinery

GB/T 3639 Grade 10# 20# Precision Steel Pipes for Structural and Machinery


TORICH is a Professional Manufacturer of GB/T 3639 Grade 10# 20# Precision Steel Pipes , which is for Precision and Stainless Steel Tubing for General Service


We can manacture Precision steel tubes based on the following technical standard:
ASTM A213,ASTM A312,ASTM A511,ASTM A269,ASTM A249,ASTM A358


The Precision Steel Grade can cover the following:
ASTM A213 TP304 TP304L TP304H TP310S TP316 TP316L TP316H TP317 TP347
ASTM A312 TP304H TP309H TP310H TP316H TP321H TP347H TP348H TP304 TP309S TP310S TP316 TP321 TP347 TP348

ASTM A511 MT304, MT304L, MT309S, MT310S, MT316, MT316L, MT317,MT321, MT347

ASTM A269 TP304 TP304L TP321 TP347 TP316 TP316L TP348 TP317

ASTM A249 TP304 TP304L TP321 TP347 TP316 TP316L TP348 TP317

ASTM A358 TP304


Producsts NameGB/T 3639 Grade 10# 20# Precision Steel Pipes for Structural and Machinery
Technical StandardGB/T 3639 Precision Steel Pipes
Steel Grade/Steel Numbe10#, 20#, 45#, Q345, E255, E355
Size RangeOD: 4-500mm
WT: 0.5-50mm
Length: max 12000mm
Cutting Length: available according to customer's requirement.
Delivery ConditionBright Annealing.
Pickling and Solution Heat Treatment.
Surface Treatment/Surface ConditionBright Surface.
Dull Surface.
Polish Surface.
Tube Inspection100% Dimensional Check
100% Eddy Current Test (ETD)
100% Ultrasonic Test (UTD
Mechanical Properties Inspection, Internal Lab test report or Third Party Inspection Report.
Inspection IstrumentOutside micrometer, wall thickness micrometer, inside dial gauge, vernier caliper, tensile testing machine, hardness tester, eddy current flaw detector, metallographic analyzer, surface roughness meter
Tube ApplicationMechanical Precision Steel Pipes
Production ProcessRound steel warehousing → round steel inspection → round steel sawing → central hole drilling → perforation → pickling → cold drawing or cold rolling (finish rolling) → annealing → straightening → head and tail cutting → finished product inspection → packaging → delivery

Delivery Conditions

DesignaionSymbolDescription
Cold drawn/hard+CNo heat treatment after the final cold drawing process.
Cold drawn/soft+LCAfter the final heat treatment there is a suitable drawing pass.
Cold drawn and stress relieved+SRAfter the final cold drawing process there is a stress relief heat treatment in a controlled atmosphere.
Annealed+AAfter the final cold drawing process the tubes are annealed in a controlled atmosphere.
Normalized+NAfter the final cold drawing operation the tubes are normalized in a controlled atmosphere.

Products Display of GB/T 3639 Grade 10# 20# Precision Steel Pipes


Products Display of GB/T 3639 Grade 10# 20# Precision Steel PipesProducts Display of GB/T 3639 Grade 10# 20# Precision Steel Pipes


Company Introduction


Packing and Delivery of GB/T 3639 Grade 10# 20# Precision Steel Pipes



Inspection of GB/T 3639 Grade 10# 20# Precision Steel Pipes


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, 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<=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

Torich Precision Steel Pipes Has A Similar Quality To Mannesmann Precision Tubes Gmbh

Product Tags:

precision steel pipe

  

precision seamless pipe

  
Buy GB/T 3639 Grade 10# 20# Precision Steel Pipes for Structural and Machinery at wholesale prices

GB/T 3639 Grade 10# 20# Precision Steel Pipes for Structural and Machinery

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