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Quick Answer: Are S235JR and A36 the same?
S235JR vs A36 at a Glance
1) Standards & Scope Differences (Why “Equivalent” Isn’t Always “Interchangeable”)
S235JR (EN 10025-2)
ASTM A36 (A36/A36M + A6/A6M)
2) Mechanical Properties Comparison (Strength)
Yield strength (why thickness matters)
Tensile strength
3) Chemical Composition (Weldability & Consistency)
ASTM A36 chemistry (explicit thickness/product ranges)
S235JR chemistry (EN-controlled limits)
4) Impact Toughness (Charpy): A Key Real-World Difference
5) Typical Applications (Where Each Is Common)
6) Can S235JR Replace A36 (or A36 Replace S235JR)?
When substitution is usually acceptable
When you should NOT assume interchangeability
7) Ordering Tips When Sourcing from China
FAQ
Is S235JR equivalent to A36?
Which has higher yield strength: S235JR or A36?
Does A36 require Charpy impact testing?
What does “JR” mean in S235JR?
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