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JIS G4804 SUM25 vs AISI 1213

Related Material — 59.9% match based on chemical composition and mechanical property overlap.

JIS G4804 SUM25 (JIS G 4804:2021) and AISI 1213 are both steel grades. Both fall under the Free Machining Steel category. JIS G4804 SUM25 is typically used for high volume automatic machining, precision parts, while AISI 1213 is commonly used for screw machine products, bolts, studs. JIS G4804 SUM25 is defined under Japanese Industrial Standards (JIS), originating from Japan, while AISI 1213 is defined under AISI, originating from United States.

As per chemical composition, JIS G4804 SUM25 vs AISI 1213 is a 89.9% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 59.9%.

Frequently Compared With JIS G4804 SUM25:
SAE J403 1126 SAE J403 1141 SAE J403 1117 SAE J403 1126 SAE J403 1117 SAE J403 1117 SAE J403 1126 IS 4432 10C8S10 SAE J403 1118 SAE J403 1132 SAE J403 1118 SAE J403 1118
Match Breakdown
CHEMISTRY MATCH
89.9%
MECHANICAL MATCH
0%
OVERALL
59.9%
Specifications
Property JIS G4804 SUM25 AISI 1213
Standard JIS G 4804:2021 AISI
Category Free Machining Steel Free Machining Steel
C (%) ≤0.15 ≤0.13
Mn (%) 0.90–1.40 0.70–1.00
P (%) 0.07–0.12 0.07–0.12
S (%) 0.30–0.40 0.24–0.33
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property JIS G4804 SUM25 AISI 1213
Tensile Strength 390–510 MPa 380–490 MPa
Hardness ≤163 HB ≤149 HB
Elongation Not specified ≥10%
Typical Applications
JIS G4804 SUM25
High volume automatic machining, precision parts
AISI 1213
Screw machine products, bolts, studs
Can JIS G4804 SUM25 Be Substituted With AISI 1213?
JIS G4804 SUM25 and AISI 1213 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
Forms & Sizes Available on M-EX
JIS G4804 SUM25
Hex Bar → (2 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 3500–3500 mm (137.8–137.8 in)
AISI 1213
Hex Bar → (3 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 3300–4600 mm (129.92–181.1 in)
On M-EX Right Now
JIS G4804 SUM25
2 active listings and RFQs →
AISI 1213
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4804 SUM25 and AISI 1213?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can JIS G4804 SUM25 be substituted with AISI 1213?
JIS G4804 SUM25 and AISI 1213 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.