1.
STAINLESS STEEL 330 seamless pipes
UNS N08330
ASTM B 536, B 511, B 512, B 535
B 536, B 546, B 710, B 739
2.
ASTM Specifications
Plate |
Sheet |
Bars |
Smls Pipe |
Wld Pipe |
Wld Tube |
B536 |
B536 |
B511, B512 |
B535 |
B546, B710 |
B739 |
3. What are the characteristics of 330 Stainless?
Oxidation resistance to 2100°F
Resistant to carburization and nitriding
Resistant to thermal shock
Good strength at elevated temperature
Chloride ion stress corrosion cracking resistance
4.
Typical applications for 330 Stainless
Furnace containers-carburizing, carbonitriding, annealing malleablizing
Muffles, retorts
Bar frame heat treating baskets
Quenching fixtures
Radiant tubes
Salt pots
Furnace fans and shafts
Conveyors
Tube hangers for crude oil heaters adn steam boilers
Heat exchangers
Flares
5.
Mechanical Properties
Room Temperature
Form and Condition |
Ultimate Tensile Strength, ksi |
.2% Yield Strength, ksi |
Elongation % |
Plate, hot rolled and Annealed |
80-85 |
30-43 |
40-45 |
Sheet, cold rolled and Annealed |
80-90 |
32-42 |
35-45 |
Bar, hot finished and Annealed |
80-90 |
35-45 |
38-45 |
Stainless Steel Pipe Manufacturers / Stainless Steel Pipe in Malaysia / Stainless Steel Pipe
Name |
Stainless Steel Pipe |
Standard |
GB12770,GB12771,ASTM A249,ASTM A269,ASTMA270,ASTMA312,ASTMA554,JIS G 3463 |
Material Grade |
304,316,201,202,316L,430 |
Main Material |
a) 201 (Ni0.8%-1%) |
b) 202 (Ni: 3.5%-4.5%) |
c) 304 (Ni: 8% Cr: 18%) |
d) 316 (Ni: 10% Cr: 18%) |
Thickness |
0.5-2.0mm |
Length |
15x15,18x18,20x20,23.5x23.5 or as customers' request |
Tolerance |
a)Outer Diameter; +/-0.2mm |
b)Thickness; +/-0.03mm |
c)Length;+/-5mm |
Surface |
180G, 320G, 400G Satin / Hairline |
400G, 500G, 600G or 800G Mirror finish |
Application |
Electronics |
Test |
Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT |
Chemical Composition of Material |
Composition |
201 |
202 |
304 |
316 |
430 |
C |
≤0.15 |
≤0.15 |
≤0.08 |
≤0.08 |
≤0.12 |
Si |
≤1,00 |
≤1,00 |
≤1,00 |
≤1.00 |
≤1.00 |
Mn |
5.5-7.5 |
7.5-10 |
≤2.00 |
≤2.00 |
≤1.00 |
P |
≤0.06 |
≤0.06 |
≤0.045 |
≤0.045 |
≤0.040 |
S |
≤0.03 |
≤0.03 |
≤0.030 |
≤0.030 |
≤0.030 |
Cr |
12.5-14.5 |
15-18 |
18-20 |
16-18 |
16-18 |
Ni |
0.8-1.5 |
46 |
8-10.5 |
1014 |
|
Mo |
|
|
|
2.0-3.0 |
|
Mechanical Proper |
Material Item |
201 |
202 |
304 |
316 |
Tensile Strength |
≥535 |
≥520 |
≥520 |
≥520 |
Yield Strength |
≥245 |
≥205 |
≥205 |
≥205 |
Extension |
≥30% |
≥30% |
≥35% |
≥35% |
Hardness(HV) |
<253 |
<253 |
<200 |
<200 |