304 Stainless Steel Round Bar

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Description

Stainless steel 304 round bar is composed of austenitic stainless steel with a composition of 18% chromium and 8% nickel. This is the most used grade of any stainless steel in the world. This round bar is strong, temperature and corrosion resistant and is used in a variety of industries. Stainless steel 304 round bar also has manganese, carbon, silicon, sulfur, nitrogen and phosphorus in its composition. The material is strong, typically having a minimum yield strength of 205 MPa and a minimum tensile strength of 515 MPa.

 

304 stainless steel round bar price in China, 304 stainless steel round bar manufacturer
Thinner round bars have higher strength values. The round bar specification is A240 for pressure vessels and high temperature applications.ASTM A240 SS 304 round bar can withstand temperatures of up to 870 degrees Celsius. For this reason, round bars are used in evaporators, heat exchangers and other high temperature applications. Stainless steel 304 round bars are also used in drums, barrels, dairy equipment, food processing and hospital equipment.

Equivalent Material of 304 Stainless Steel Round Bar

Grade UNS No. Old British Euronorm China GB Japanese JIS
BS EN No. Name
304 S30400 304S15 58E 1.4301 X5CrNi18-10 0Cr18Ni9 SUS304
304L S30403 304S12 1.4307 X2CrNiN18-9 00Cr19Ni10 SUS304L
304H S30409 304S51 1.4948 X6CrNi18-11 07Cr19Ni10 SUS304H

Standard Specification Of 304 Stainless Steel Round Bar

Specifications ASTM A240 / ASME SA240
Diameter Cold Rolled Bright 3-25.4mm; Hot Rolled Black Bar 20-100mm
Length 4-9meter / piece
Surface CR: bright bar; HR: annealed
Finish Hot rolled round bar (HR), Cold rolled round bar (CR)
Form Round Bar
Diameter Cold Rolled Bright 3-25.4mm; Hot Rolled Black Bar 20-100mm

Composition Content Of 304 Stainless Steel Round Bar

Grade C Mn Si P S Cr Mo Ni N
304 Min.
Max.
/
0.08
/
2.0
/
0.75
/
0.045
/
0.030
18.00
20.00
/ 8.00
10.50
/
0.10
304L Min.
Max.
/
0.03
/
2.0
/
1.0
/
0.045
/
0.030
18.00
20.00
/ 9.00
11.00
/
304H Min.
Max.
0.04
0.10
/
2.0
/
0.75
0.045
/
/
0.030
18.00
20.00
/ 8.00
10.50
/
Grade Tensile Strength
(MPa) 
Yield Strength
0.2% Proof (MPa) 
Elongation
(% in 50mm)
Hardness
Rockwell B
(HR B)
Brinell
(HB)
304 515 205 40 92 201
304L 515 205 40 90 187
304H 515 205 40 92 201

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