ASTM A269 TP321H Stainless Steel Pipe

ASTM A269 TP321H Stainless Steel Pipe,A269 TP321H is a brand of the ASTM A269 Standard.ASTM A269 Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service.

Description

ASTM A269 TP321H Stainless Steel Pipe
A269 TP321H is a brand of the ASTM A269 Standard.ASTM A269 Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service.
ASTM A269 TP321H Stainless Steel  Pipe Dimensional Range & Specification
Outside Diameter ：15-228mm
Wall thickness：0.4mm——20mm
Length：6000mm、12000m or specified length as required.
ASTM A269 TP321H Stainless Steel  Pipe Chemical Composition(%)
material C Mn P S Si Cr Ni Other
TP321H 0.04-0.10 ≤2.00 ≤0.045 ≤0.03 ≤0.75 17.0-19.0 9.0-12.0 Ti=4(C+N)
0.70
ASTM A269 TP321H Stainless Steel  Pipe Mechanical Properties
material Tensile Strength(MPa) Yield Strength(MPa) Elongation Hardness
Rockwell B (HR B) Brinell (HB)
TP321H ≥515 ≥205 ≥40 ≤95 ≤217

ASTM A269 TP321H Stainless Steel  Pipe Physical Properties

material Density (kg/m3 Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (m/m/0C) Thermal Conductivity (W/m.K) Specific Heat 0-1000C (J/kg.K) Electrical Resistivity (n.m)
0-100℃ 0-315℃ 0-538℃ at 100℃ at 500℃
TP321H 8000 193 15.9 16.2 18.4 16.2 21.5 500 740

Tolerance for ASTM A269 TP321H Stainless Steel  Pipe

OD,inch OD,Tolerance inch(mm) WT Tolerance % Length Tolerance inch(mm)
+ –
≤1/2 ±0.005（0.13） ±15 1/8（3.2） 0
1/2-1 1/2 ±0.005（0.13） ±10 1/8（3.2） 0
1 1/2-3 1/2 ±0.010（0.25） ±10 3/16（4.8） 0
3 1/2-5 1/2 ±0.015（0.38） ±10 3/16（4.8） 0
5 1/2-8 ±0.030（0.76） ±10 3/16（4.8） 0
8-12 ±0.040（1.01） ±10 3/16（4.8） 0
12-14 ±0.050（1.26） ±10 3/16（4.8） 0

Grade specifications for 321H grade stainless steel

material UNS No Old British Euronorm Swedish SS
BS En No Name
TP321H S32109 321S51 / 1.4878 X10CrNiTi18-10 /
Tests and Inspection Of ASTM A269 TP321H Stainless Steel  Pipe
Flattening Test,Flaring Test,Hardness Test,Hydrostatic or Nondestruction Electric Test ( Eddy Current and Ultrasonic Testing)
1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material
2.100% Dimension & Visual Examination
3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test, Transverse-guided face bend test
4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test  (ET or UT)
5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor)
6.Straightness Test  (optional)
7.Roughness Test (optional)
8.Intergranular Corrosion Test(optional)
9.Impact Test (optional)
10.Grain Size Determinations (optional)

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