GB/T 28413 SA178 Welded Carbon Steel Pipes For Boiler / Heat Exchangers
Basic Properties
Place of Origin:
China
Brand Name:
TORICH
Certification:
TS16949 ISO9001 ISO 14001
Model Number:
GB/T 28413
Trading Properties
Minimum Order Quantity:
5 tons
Price:
800-1500 USD/Ton
Payment Terms:
T/T, L/C, D/A, D/P, Western Union, MoneyGram
Supply Ability:
50000 Tons/ Year
Product Summary
GB/T 28413 SA178 Welded Carbon Steel Pipes For Boiler and heat exchangers Chinese Technical Standard GB/T 28413 Welded Carbon Steel Pipes For Boiler and Heat Exchangers Steel Grade/Steel Material/Steel Number: 10# 20# Q245R Q345R Q370R Size Range: OD: 6-127mm Min WT:0.9-9.1mm Length:4-12m,as ...
Product Details
Highlight:
welded steel pipe
,welding steel tubing
Standard:
GB/T 28413
Grade:
10# 20# Q245R Q345R Q370R
Technique:
Welded
Section Shape:
Rounc
Certification:
TS16949 ISO9001 ISO 14001
Alloy Or Not:
Non-alloy
Secondary Or Not:
Non-secondary
Special Pipe:
Welded Steel Pipe
Product Description
GB/T 28413 SA178 Welded Carbon Steel Pipes For Boiler and heat exchangers
Chinese Technical Standard GB/T 28413 Welded Carbon Steel Pipes For Boiler and Heat Exchangers
Steel Grade/Steel Material/Steel Number:
10# 20# Q245R Q345R Q370R
Size Range:
OD: 6-127mm
Min WT:0.9-9.1mm
Length:4-12m,as customer’s requirement
Mechanical Properties:
| Grade | Lower yield strength Rel/N/mm² No less than | Tensile strength R. /N/mm² No less than | Extensibility after fracture A/% No less than | ||||
| T≤16 | 16＜T≤36 | 36＜T≤60 | T≤16 | 16＜T≤36 | 36＜T≤60 | ||
| 10 | 205 | 335-475 | 28 | ||||
| 20 | 245 | 410-550 | 24 | ||||
| Q245R | 245 | 235 | 225 | 400-520 | 25 | ||
| Q345R | 345 | 325 | 315 | 510-640 | 500-630 | 490-620 | 21 |
| Q370R | 370 | 360 | 340 | 530-630 | 520-620 | 20 | |
Manufacturing process:
HFW High frequency welded
EFW (SAW SMAW GMAW FCAW ESW)
Delivery Terms:
Annealed
Seam online normalizing.
Inspection in the work ship:
Size Measurement
NDT inspection: by eddy current test ultrasonic test
Mechanical test.
Application:
For Boiler and heat exchangers
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