Steel materials S235JR is one common grade in european steel specification BS EN 10025-2 which contains hot rolled products for structural steels.As the same strength,there are steel grades S235JR,S235J0 and S235J2,S235jr normally can be used in room temperature,but S235J2 can be used in low temperature surroudings because it is done charp-V notch impacting test at minus 20 Deg.C.
BS EN S235JR steel and ASTM A36 steel have some similarities, but whether S235JR can replace A36 depends on several factors:
So our question is whether S235jr steel replace of A36 steel,most of time,S235jr can replace of A36 steels.From the below comparasion datasheet in chemical composition and mechanical properties,S235JR steel and A36 steel are very near.
Rolling types for bs en S235JR and astm A36 shall be hot rolled steel plates,hot rolled steel coils,hot rolled flat plates,hot rolled angle bars,welded pipes,square hollow sections,circle hollow sections and square hollow sections.
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Carbon steel grades S235JR vs A36 |
Chemical composition: Heat Analysis Max% |
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Standard |
Grade |
C |
Mn |
P |
S |
Si |
Cu min. |
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ASTM A36/A36M |
A36 |
0.25 |
/ |
0.040 |
0.050 |
0.40 |
/ |
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EN10025-2 |
S235JR |
0.17 |
1.40 |
0.035 |
0.035 |
/ |
0.55 |
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Mechanical Properties: |
Thickness |
Yield strength |
Tensile strength |
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Mpa Min. |
Mpa |
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ASTM A36/A36M |
A36 |
T≤200 |
250 |
400-550 |
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EN10025-2 |
S235JR |
T≤16 |
235 |
360-510 |
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Is S235JR equivalent to A36?
The term "235" refers to the minimum yield strength (MPa) for steel thickness less than 16 mm. The "JR" indicates the energy-related quality level of the Charpy impact test (27 J, 20℃ temperature). ASTM A36 material is equivalent to steel S235JR.
What is S235JR steel grade?
S235JR is a widely used, cost-effective, non-alloy structural steel (EN 10025 standard) known for good weldability and formability, indicated by its minimum 235 MPa yield strength (S) and a 27 Joule impact energy test at room temperature (JR), making it suitable for general construction, automotive parts, and machinery, though it requires protective coatings for corrosion resistance as it's not inherently stainless.
What does the JR stand for in S235JR?
S235JR: A frequently used type of steel, S235JR is known for its weldability, machinability, durability, and wear-resistance. Its "JR" suffix indicates that its minimum impact energy is 27 joules and that it underwent an impact test at 20°C