ASTM A312 TP321 Seamless steel pipe
1. Seamless stainless steel pipe:
Size-- 1/8" to 24"(DN6-600)
Material--TP321, SS321 etc
Standard--ASTM A213/A312/A269/A270
2. Welded stainless steel pipe:
Size-- 1/8" to 48"(DN6-1200)
Material--TP321, SS321 etc
Standard--ASTM A312/A249/A270
3. Aplication: Boiler, heater exchanger, food, paper making, metallurgy, shipbuilding, environmental protection, pressure container, water, electricity etc.
WE, KINGMETAL, IS A PROFESSIONAL MANUFACTURER IN STEEL INDUSTRY SINCE 1989,
WITH OVER 20 YEARS EXPERIENCE IN EXPORING,
WE BELIEVE WE CAN SUPPORT OUR CUSTOMER WELL AND GROW STRONGER AND STRONGER TOGETHER.
WE INSIST ON GOOD QUALITY, GOOD SERVICE, AND COMPETITIVE PRICE.
SPECIFICATION |
OD (mm) |
WT (mm) |
LENGTH (mm) |
SIZE |
PERMISSIBLE |
SIZE |
PERMISSIBLE |
SIZE |
PERMISSIBLE |
VARIATION |
VARIATION |
VARIATION |
ASTM A312 |
10.29~48.26 |
=+ 0.4 / -0.8 |
|
±12.5% |
|
=+ 6 / 0 |
48.26~114.30 |
=+ 0.8 / -0.8 |
114.30~219.08 |
=1.6 / -0.8 |
219.08~457.20 |
=+ 2.4 / -0.8 |
ASTM A213 |
<25.4 |
=+ 0.1 / -0.1 |
D≤38.1 |
=20% / 0 |
D<50.8 |
=3 / 0 |
25.4~38.1 |
=+ 0.15 / -0.15 |
38.1~50.8 |
=+ 0.2 / -0.2 |
50.8~63.5 |
=+ 0.25 / -0.25 |
D>38.1 |
=22% / 0 |
D≥50.8 |
=+ 5 / 0 |
63.5~76.2 |
=+ 0.3 / -0.3 |
76.2~101.6 |
=+ 0.38 / -0.38 |
101.6~190.5 |
=+ 0.38 / -0.64 |
190.5~228.6 |
=+ 0.38 / -1.14 |
ASTM A269 |
<12.7 |
=+ 0.19 / -0.13 |
|
±15% |
|
=+ 3.2 / 0 |
12.7~38.1 |
±10% |
38.1~88.9 |
=+ 0.25 / -0.25 |
=+ 4.8 / 0 |
88.9~139.7 |
=+ 0.38 / -0.38 |
139.7~203.2 |
=+ 0.76 / -0.76 |