SUS303 is austenitic free-cutting stainless, wear-resistant and
burning-resistant steel. In order to improve the performance of the
steel, no more than 0.60% of molybdenum can be added to the steel,
which is resistant to ablation, and has good machinability and
burning resistance. Corrosion resistance.
Where there is a requirement for burning resistance; most suitable
for processing bolts and nuts.
General
Mechanical
| Elastic modulus | 195.0 | GPa |
| Elongation A5 | 20.0 - 30.0 | % |
| Poisson's ratio | 0.3 | [-] |
| Shear modulus | 77.0 | GPa |
| Tensile strength | 500.0 - 1130.0 | MPa |
Thermal
| Coefficient of thermal expansion | 1.7e-05 - 1.9e-05 | 1/K |
| Melting point | 1375.0 - 1450.0 | °C |
| Specific heat capacity | 440.0 | J/(kg·K) |
| Thermal conductivity | 11.0 - 21.0 | W/(m·K) |
Electrical
| Electrical resistivity | 8.5e-07 | Ω·m |
Chemical
| Carbon | 0.15 | % |
| Chromium | 17.0 - 19.0 | % |
| Iron | 67.0499 - 74.8499 | % |
| Manganese | 2.0 | % |
| Molybdenum | 0.6 | % |
| Nickel | 8.0 - 10.0 | % |
| Phosphorus | 0.2 | % |
| Silicon | 1.0 | % |
| Sulfur | 0.15 | % |
Equivalent Materials to SUS303
DIN 1.4305
AISI 303
SAE 303
GB Y1Cr18Ni9
UNS S30300
ASTM 303
Free cutting cold drawn steel types, shapes and sizes we can offer
besides the below shapes and sizes,we can also manufacture it based
on customer's requests and customize different shapes and sizes.
| Shapes | Sizes | Processing |
| Steel Round Bar | 5mm to 63.5mm | Cold Drawn |
| Steel flat Bar | 63.5mm-120mm | smooth-turned and polished. |
| Cold drawn steel square bar | 5*5mm to120*120mm | Cold Drawn |
| Cold drawn steel hex bar | 5mm to120mm | Cold Drawn |
| Cold drawn steel hexagonal bar | 5mm to 120mm
(side to side) | Cold Drawn |
| Straightness | Max 1mm/m |
| Tolerance | h9 h10 h11 or as required |
| Type of steel | GB | ASTM(SAE) | JIS |
Carbon steel
Low alloy steel | Q195,Q215,
Q235,Q345 | A285MGr.B
A570MGr.A | SS330
SS400,SS490... |
Quality
carbon steel | 10,20,35,40,60
20Mn,25Mn,
35Mn,40Mn | 1010,1020,1035,
1045,1060,1022,
1026,1037,1039 | S10C,S20C,
S35C,S45C... |
Alloy
structure steel | 20Mn2,40Mn2,20Cr,40Cr,
20CrMo,35CrMo,42CrMo,
20CrMnTi,20Cr2Ni4,
40CrNiMo | 1320,1345,5120,
5140,4118,4135,
4140,3316,4340 | SMn420,SMn438,
SCr420,SCr440
SCM430,SCM435
SCM440,SCN815
SNCM439 |
Cold
heading steel | ML10,ML20,ML30,
ML35,ML35CrMo,
ML42CrMo,ML15MnB | 1012,1020,1030
1034,4135,4140,
1518 | SWRCH10R
SWRCH20K
SWARCH35K
SNB7 |
| Spring steel | 65Mn,60Si2Mn,50CrVA | 1066,6150 | SCP6,SCP10 |
| Bearing steel | GCr15 | E52100 | SUJ2 |
| Stainless steel | 1Cr13,2Cr13 | 412,420 | SUS410,SUS420 |
| Tooling steel | T8,T10
W6Mo5Cr4V2 | W1A-8,
W1A-9.5,M2 | SK7,SK4,SKH9 |
| Free cutting steel | Y12,Y12Pb,Y15,
Y15Pb,Y40Mn | 1212,11L08,1215
12L13,12L14,1141 | SUM21,SUM32,
SUM22L,SUM42... |
| | |
| Round steel | Square steel | Flat steel |
| | |
| hexagonal steel | Irregular steel | Steel pipe |
Length:1-6 meter usually or as per customer's requirements
Package: plastic and woven pack or wooden box
Payment: TT30% down payment the balance before carrying &Mill
test Certificate supplied
Mill test Certificate supplied or the third party such as SGS,BV
etc checking accept
Features of Stainless Steel Hex Bar:
1). The appearance of cold-drawn,gloss is good, beautiful;
2). The addition of corrosion resistance, especially pitting
resistance is excellent;
3). Excellent high temperature strength;
4). Excellent work-hardening (after processing weakly magnetic);
5). Non-magnetic state solution.
Austenitic steel after solution treatment Physical properties:
Parts of A276
| Grade | Tensile strength (σb Mpa) | Yield strengthen (σr0.2 Mpa ) | Elongation δ5 (%) | Hardness Test HB max |
| 201 | >=515 | >=275 | >=40 | |
| 202 | >=515 | >=275 | >=40 | |
| 205 | >=690 | >=414 | >=40 | |
| 302 | >=515 | >=205 | >=30 | |
| 304 | >=520 | >=205 | >=40 | 187 |
| 304L | >=485 | >=170 | >=40 | |
| 316 | >=515 | >=205 | >=40 | |
| 316L | >=485 | >=170 | >=30 | |
| 316Ti | >=515 | >=205 | >=40 | |
| 316N | >=550 | >=240 | >=30 | |
| 310 | >=515 | >=205 | >=40 | 187 |
| 321 | >=515 | >=205 | >=40 | 187 |
| 309 | >=515 | >=205 | >=40 | 187 |
| 309S | >=515 | >=205 | >=40 | 187 |
| 308 | >=515 | >=205 | >=40 | 187 |
| 314 | >=515 | >=205 | >=40 | |
Quality Assure:
1)Basic control(chemical components control) Guarantee of the
chemical components:smelting and direct-reading spectrum test could
guarantee the material chemical components is right for the
clients' requirements
2)Process control:follow the process chart adding our workers' care
3)Inspection control
Applications : make Ball Valves, Needle Valves, Filter Valves,
Connectors, Couplings,
Plugs, Hose Ends, Manifolds, Nuts, Bolts,standard parts, shaft
pins, instrument parts, precision equipment accessories
Should you are interested in our products, take action to buy or
wholesale the quality polished hexagonal stainless steel bar for
sale in stock from our factory. Shaanxi Ruiyang, as one of the
leading manufacturers and suppliers in China, has various sizes of
products with competitive price at your choice.
