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  • 4J34（YB／T5234一1993）rectangular alloy tube
  • 4J34（YB／T5234一1993）rectangular alloy tube

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4J34（YB／T5234一1993）rectangular alloy tube
4J34（YB／T5234一1993）rectangular alloy tube
Faber alloy is professional manufacturer and supplier of alloy square tube .Quality guaranteed,on-time delivery, after-sales warranty,The ISO 9001 management system ensure the high quality of the products.
WhatsApp ：008615818120647
Phone ：008615818120647
Email ：Marilyn@faber-alloy.com

PRODUCT PARAMETERS


Description :Faber alloy is professional manufacturer and supplier of alloy square tube .Quality guaranteed,on-time delivery, after-sales warranty,The ISO 9001 management system ensure the high quality of the products.

4J34 alloy chemical composition

Name


C

Si

P

S

Se

Mn

Ni

Co

Fe

≤

4J34

0.05

0.30

0.020

0.020


0.5

28.5～29.5

19.5～20.5

Bal

Note: 1. If the average line expansion coefficient meets the conditions specified in this standard, the nickel and cobalt content are allowed to deviate from the range specified in this table.
2. The size and shape of the alloy shall comply with the relevant provisions of GB / T14985 《Expansion Alloy》。

 Expansion coefficient of the alloy

Name

Test heat treatment system

平均线胀系数ā／(10—6／K)

20～300℃

20～400℃

20～500℃

20～600℃

4J34

Heat up to 900 ± 20℃ in a protective atmosphere or vacuum for 1h, and cool up up to below 200℃ at no more than 5℃ / min


6.3～7.1


7.8～8.5

Typical expansion coefficient of the alloys

Product name

Average line expansion coefficient

ā／(10—6／K)

20～200℃

20.300℃

20～400℃

20～500℃

20～600℃

4J34

7.5

6.9

6.6

6.9

8.3

Note: The data listed in the table is for reference only.
Applicaton:4J34. Suitable for within the ambient temperature change range. Make instrument parts with high precision size requirement
Advantages:
1 ,Size：Customized
2，Form：Round/Square/
3,Packed and labeled according to the regulations and customer's requests.

4,7-15days in common, time can be less if common grade.

5,Our factory is in Jiangsu province, and cargo are always loaded in Shanghai port, so EXW, FOB Shanghai or CIF can be as your request.

FAQ

Q1. What is your terms of Packing?

A: Generally we pack your goods with Neutral English bag, PP Woven bag with PE inner bag. If you have your own legally registered sack design, we can pack your goods with your brand and design bags after getting your authorization letter.

Q2. What is your terms of payment?

A: Normally 30% TT as deposit in advance, and 70% TT after email the copy of BL. Or LC at sight. We'll show you the photos pf your goods and package before you arrange the payment.

Q3. What is your terms of delivery?

A: Normally we do FOB, CFR, CIF terms.

Q4. How about your delivery date?

A: Normally it will takes 10~15 days after receive the deposit. The specific delivery time depends on the items and the quantity of the order.

Q5. Can you produce according to the sample?

A: Yes, we can produce by your samples or the specification you provide.

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