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JIS G4804 SUM25 vs JIS G4804 SUM22

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

JIS G4804 SUM25 (JIS G 4804:2021) and JIS G4804 SUM22 (JIS G 4804:2021) 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 JIS G4804 SUM22 is commonly used for screw machine parts, bolts, studs, pins. JIS G4804 SUM25 is defined under Japanese Industrial Standards (JIS), originating from Japan, while JIS G4804 SUM22 is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, JIS G4804 SUM25 vs JIS G4804 SUM22 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 1141 SAE J403 1117 SAE J403 1126 SAE J403 1126 SAE J403 1117 IS 4432 10C8S10 SAE J403 1117 SAE J403 1126 SAE J403 1132 SAE J403 1118 SAE J403 1118 IS 1570 (Part 3) 10C8S10
Match Breakdown
CHEMISTRY MATCH
89.9%
MECHANICAL MATCH
0%
OVERALL
59.9%
Specifications
Property JIS G4804 SUM25 JIS G4804 SUM22
Standard JIS G 4804:2021 JIS G 4804:2021
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 JIS G4804 SUM22
Tensile Strength 390–510 MPa 380–490 MPa
Hardness ≤163 HB ≤149 HB
Typical Applications
JIS G4804 SUM25
High volume automatic machining, precision parts
JIS G4804 SUM22
Screw machine parts, bolts, studs, pins
Can JIS G4804 SUM25 Be Substituted With JIS G4804 SUM22?
JIS G4804 SUM25 and JIS G4804 SUM22 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)
JIS G4804 SUM22
Hex Bar → (2 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 2500–3300 mm (98.43–129.92 in)
On M-EX Right Now
JIS G4804 SUM25
2 active listings and RFQs →
JIS G4804 SUM22
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4804 SUM25 and JIS G4804 SUM22?
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 JIS G4804 SUM22?
JIS G4804 SUM25 and JIS G4804 SUM22 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.