Black Annealed Precision Seamless Steel Tube

  • Model:OD from 5mm to 121mm and WT from 1mm to 15mm
  • Specification:OD from 5mm to 121mm and WT from 1mm to 15mm
  • Place Of Origin:CHINA
  • Certificates:GS, CE
  • Payment Terms:T/T, L/C, D/A, D/P, Western Union, MoneyGram, PayPal
  • MOQ:1 Meter
SKU: 199 Category:

Description

Black Annealed Precision Seamless Steel Tube

1. Standards: DIN2391-1, EN10305-1, GB8163, ASTMA179, ASTMA192 etc
2. Material: 10#, 20#, 35#, 45#, St37, St45, St52, 40cr, 16Mn, C45 etc
3.Size: Od 5-120mmx0.8-15mmxL
4. Certificate: SGS, TUV SUD, BV, ISO 9001-2011

5. Packing: 
A..With Steel Belt in Bundle
B. Oiled and Packing by Pvc Film or Plastic Bags 


DELIVERY CONDITIONS
 

The tubes can be produced in the following delivery conditions: 

BK (+C) Cold finished/hard (cold finished as drawn).

No heat treatment after the last cold forming process.

 

BKW (+LC) Cold finished/soft (lightly cold worked)

After the last heat treatment there is a light finishing pass (cold drawing).

 

BKS (+SR) Cold finished/stress relieve annealed. 

After the final cold forming process the tubes are stress relieve annealed.

 

GBK (+A) Annealed. 

After the final cold forming process the tubes are annealed in a controlled atmosphere.

 

NBK (+N) Normalized. (Mainly focus on)

After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere.

Preicision Seamless Tube Size List


OD (mm) Thickness (mm) OD (mm) Thickness (mm) OD (mm) Thickness (mm) OD (mm) Thickness (mm)
??13.1 1.5-3 ??35.5 1.5-7 ??46.1 1.5-10 ??93 1.5-15
??19.25 1.5-5 ??35.9 1.5-7 ??47.8 1.5-10 ??19-??121 1.5-15
??22 1.5-5 ??36.6 1.5-7 ??49.2 1.5-10
??22.2 1.5-5 ??38 1.5-8 ??49.5 1.5-10
??25 1.5-6 ??38.4 1.5-8 ??52.3 1.5-10
??26.3 1.5-6 ??40 1.5-10 ??53.8 1.5-10
??27 1.5-6 ??40.2 1.5-10 ??57 1.5-10
??28 1.5-6 ??40.9 1.5-10 ??59 1.5-10
??30 1.5-6 ??41.3 1.5-10 ??60 1.5-11
??30.25 1.5-6 ??41.6 1.5-10 ??62.5 1.5-11
??30.9 1.5-6 ??42 1.5-10 ??74 1.5-11
??31 1.5-7 ??43 1.5-10 ??75 1.5-11
??32 1.5-7 ??44.5 1.5-10 ??76 1.5-11
??35 1.5-7 ??45.8 1.5-10 ??89 1.5-15

Name
Email
Phone
Enquiry