ASME SA312 TP304H Seamless tubes exporter
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SA312 TP304H Seamless Specification: ASME SA312 specification covers seamless pipe and welded pipe for austenitic stainless steel. These high performance austenitic stainless steels have a fully austenitic microstructure in the quench annealed condition.
ASME SA312 TP304H Seamless tubes exporter
We produce ASME SA312 TP304H Seamless tube from China. The wall thickness from 0.8MM to 60MM. We export ASME SA312 TP304H Seamless pipes and supply in 20days.
Ryin Stainless stock a wide range of industry standard sizes of ASME SA312 Seamless Stainless-Steel Pipes. all quality parameters checked by experienced and good knowledge staff.
ASME TP304H Seamless tube production range: ASME SA312 pipe dimensions
OD10 to 2500mm, Thick:0.8mm-60mm, Length 500mm to 12000mm
Adopt standard: ASME SA312
SA312 TP304H Seamless tube Chemical Composition
| Grade |
UNS |
Composition, % |
| Design |
C |
Mn |
P |
S |
Si |
| SA312 TP304H |
S30409 |
0.04-0.1 |
2.0 |
0.045 |
0.030 |
1 |
| Cr |
Ni |
Ti |
Nb |
N |
| 18-20 |
8-11 |
|
|
|
SA312 TP304H Seamless tube Tensile Requirements
| Grade |
UNS
Designation |
Tensile Strength, Min. ksi [MPa] |
Yield strength, min ksi [MPa] |
Elongation in 2 in., min, % |
| SA312 TP304H |
S30409 |
75 [515] |
30 [235] |
35 |
SA312 TP304H Seamless tube marking:
- Nominal Pipe Size (Nominal Bore)
- Schedule (Wall Thickness)
- Specification
- Material Grade
- Method of Manufacture (Seamless or Welded)
- Heat Number
- Manufacturers Name or Symbol
SA312 TP304H Permitted Variations in Wall Thickness
In addition to the implicit limitation of wall thickness for seamless pipe imposed by the limitation on weight in Specification A999/A999M, the wall thickness for seamless and welded pipe at any point shall be within the tolerances specified in ASME SA312 Table, except that for welded pipe the weld area shall not be limited by the “Over” tolerance.
The wall thickness and outside diameter for inspection for compliance with this requirement for pipe ordered by NPS and schedule number is shown in Table X1.1 at ASME SA312
SA312 TP304H Seamless tube Referenced Documents
ASTM Standards:
A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
A999/A999M Specification for General Requirements for Alloy and Stainless Steel Pipe
A1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes
E112 Test Methods for Determining Average Grain Size
E381 Method of Microteach Testing Steel Bars, Billets,1 Blooms, and Forgings
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
ANSI Standards:
B1.20.1 Pipe Threads, General Purpose
B36.10 Welded and Seamless Wrought Steel Pipe
B36.19 Stainless Steel Pipe
For us quality always stands first, and we would provide 100% free replacement to our customer. At the same time, we also strive to ensure that our quality for cold drawn stainless steel pipes and tubes is the best in the industry. Our continuous focus on quality, price and service has helped us win many orders from China and overseas.
Ryin Stainless factory welcome you to contact us for best prices for ASME SA312 TP304H stainless seamless steel pipes and tubes.
