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303 Stainless steel Rod/Round bar
303 (UNS 30300) stainless steel bars were developed for machining. Type 303 has a higher concentration of sulfur reducing the drag on cutting tools. It allows greater machining speeds and lower production costs. The alloy is useful whenever a need arises for good corrosion resistance and considerable machining is required.
Stainless Steel Round Bar/Rod 303 Annealed Cold Finish is normally used for aerospace, food and beverage, machinery, architectural, chemical, and cryogenic applications. 303 stainless offers ease of machining, grinding, and polishing. However, its toughness and corrosion resistance is slightly lower as a result. 303 round bar/rod stock is available in full size and custom cut lengths.
Product Details
Species :According to the production process of stainless steel rod , stainless steel bar can be divided into 3 kinds : hot rolling, forging and cold drawn.
1. The specifications of the hot rolled stainless steel round bar is 5.5 to 250 mm
2. 5.5-25 mm small stainless steel round bar used for reinforcement, bolt, and various mechanical parts
3. More than 25 mm stainless steel round steel, mainly used in the manufacture of mechanical parts and seamless steel tube billet.
Shape: round bar , square bar, flat bar, etc.
Application: hardware appliances, shipbuilding, petrochemical, machinery, medicine, food, electric power, energy, building upholster, nuclear power, aerospace, military industry and other industries!
Standard :
GB: GB/T14975-2002，GB/T14976-2002 ，GB/T13296-91
AISI:ASTM A484/A484M，ASTM A213/213A ，ASTM A269/269M
Chemical Composition:
C
Si
Mn
Mo
P
S
Cr
Ni
Fe
≤ %
≤ %
≤ %
≤ %
≤ %
≤ %
%
%
%
0.15
1.0
2.0
0.6
0.2
0.15
18
9.0
69
Mechanical Properties:
Imperial
Metric
Density
0.289 lb/in3
8.0 g/cc
Ultimate Tensile Strength
89,900psi
620 MPa
Yield Tensile Strength
34,800psi
240 MPa
Fatigue Strength
34,800psi
240 MPa
Melting Point
2,550 - 2,590°F
1,400 - 1,420°C
Hardness Rockwell C
19
Hardness Rockwell B
96
Hardness Knoop
251
Hardness Brinell
228
The following Grade also avalable: 310S, 310, 309, 309S, 316, 316L, 316Ti, 317, 317L, 321, 321H, 347, 347H, 304, 304L,302, 301, 201, 202, 403, 405, 409, 409L, 410, 410S, 420, 430, 631, 904L, Duplex, etc.
Chemical Composite for Stainless Steel
|
Material |
ASTM A249 Chemical Composition % Max |
||||||||||
|
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Mo |
N B |
Nb |
Ti |
|
|
TP304 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0-20.0 |
8.0-11.0 |
^ |
^ |
^ . |
^ |
|
TP304L |
0.035 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0-20.0 |
8.0-12.0 |
^ |
^ |
^ |
^ |
|
TP316 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
16.0-18.0 |
10.0-14.0 |
2.00-3.00 |
^ |
^ |
^ |
|
TP316L |
0.035 D |
2.00 |
0.045 |
0.030 |
1.00 |
16.0-18.0 |
10.0-15.0 |
2.00-3.00 |
^ |
^ |
^ |
|
TP321 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0-19.0 |
9.0-12.0 |
^ |
^ |
^ |
5C -0.70 |
|
TP347 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0-19.0 |
9.0-12.0 |
|
|
10C -1.10 |
^ |
|
Material |
Heat treatment |
Temperure F (C) Min. |
Hardness |
|
|
Brinell |
Rockwell |
|||
|
TP304 |
Solution |
1900 (1040) |
192HBW/200HV |
90HRB |
|
TP304L |
Solution |
1900 (1040) |
192HBW/200HV |
90HRB |
|
TP316 |
Solution |
1900(1040) |
192HBW/200HV |
90HRB |
|
TP316L |
Solution |
1900(1040) |
192HBW/200HV |
90HRB |
|
TP321 |
Solution |
1900(1040) F |
192HBW/200HV |
90HRB |
|
TP347 |
Solution |
1900(1040) |
192HBW/200HV |
90HRB |
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