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

Minimum Order Quantity : 2 tons Price : USD 1300-1500
Packaging Details : Packed in wooden boxes or seaworthy packing. Delivery Time : 25-35 days
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 600 Ton/Tons per Month
Place of Origin: China Brand Name: Torich
Certification: ISO Model Number: GB/T 3639

Detail Information

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
High Light:

precision steel pipe

,

precision seamless pipe

Product Description

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 Name GB/T 3639 Grade 10# 20# Precision Steel Pipes for Structural and Machinery
Technical Standard GB/T 3639 Precision Steel Pipes
Steel Grade/Steel Numbe 10#, 20#, 45#, Q345, E255, E355
Size Range OD: 4-500mm
WT: 0.5-50mm
Length: max 12000mm
Cutting Length: available according to customer's requirement.
Delivery Condition Bright Annealing.
Pickling and Solution Heat Treatment.
Surface Treatment/Surface Condition Bright Surface.
Dull Surface.
Polish Surface.
Tube Inspection 100% Dimensional Check
100% Eddy Current Test (ETD)
100% Ultrasonic Test (UTD
Mechanical Properties Inspection, Internal Lab test report or Third Party Inspection Report.
Inspection Istrument Outside micrometer, wall thickness micrometer, inside dial gauge, vernier caliper, tensile testing machine, hardness tester, eddy current flaw detector, metallographic analyzer, surface roughness meter
Tube Application Mechanical Precision Steel Pipes
Production Process Round 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

Designaion Symbol Description
Cold drawn/hard +C No heat treatment after the final cold drawing process.
Cold drawn/soft +LC After the final heat treatment there is a suitable drawing pass.
Cold drawn and stress relieved +SR After the final cold drawing process there is a stress relief heat treatment in a controlled atmosphere.
Annealed +A After the final cold drawing process the tubes are annealed in a controlled atmosphere.
Normalized +N After 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 

GB/T 3639 Grade 10# 20# Precision Steel Pipes for Structural and Machinery 2

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

 

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

 

Inspection 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

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+86-13736164628
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+86-13736164628