seamless steel tube

seamless steel tube
Standard: DIN 2391, EN 10305-1, EN 10305-4
Steel grade:ST30Al, ST35, ST37, ST37.4, ST45, ST54
Delivery condition: BK, NBK, GBK
SURFACE TREATMENTS
1. Bare Tube (No coating): Bright and smooth, Surface Roughness both inner and outer surface  0.2Ra Maximum for special requirement
2. Surface Coating
 A. Silver galvanized
 B. Yellow galvanized
 C. Olive green coated
Layer thickness: 8-20um, Salty Spray Test: 48-150 hours
3.  Black phosphate
TEST CERTIFICATIONS
Testing:
All the tubes are checked by Eddy current test and are submitted to a visual and dimensional control before transport.
Tubes are supplied with certificates acc. to EN10204 type 3.1.B: certificates

seamless steel tube Standard: DIN 2391, EN 10305-1, EN 10305-4 Steel grade:ST30Al, ST35, ST37, ST37.4, ST45, ST54

  • Type:Seamless
  • Certification:API
  • Special Pipe:API Pipe
  • Section Shape:Round
  • Secondary Or Not:Non-secondary
  • Alloy Or Not:Non-alloy
  • Place of Origin:China (Mainland)
  • Grade: A53B, API J55, API K55, API L80, API N80...
  • Standard:BS, JIS, GB, ANSI, DIN
  • Country:China (Mainland)
  • telephone:86-010-67707877
Delivery Time: 21days
Package: strip whith bundles for seaworthy packing standard
Supply Ability: 1000 Ton per Month
Minimum Order Quantity: 20 Ton
Payment Terms: L/C,T/T
Certification: API
Special Pipe: API Pipe
Section Shape: Round
Secondary Or Not: Non-secondary
Alloy Or Not: Non-alloy
Place of Origin: China (Mainland)
Grade: A53B, API J55, API K55, API L80, API N80, Q195, Q215, Q345, A106B, ST37, ST52
Standard: BS, JIS, GB, ANSI, DIN
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