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GB/T 1299 9CrWMn vs IS 1570 (Part 6) 103T3

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

GB/T 1299 9CrWMn (GB/T 1299-2014) and IS 1570 (Part 6) 103T3 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. GB/T 1299 9CrWMn is defined under Guobiao Standards (GB/T), originating from China, while IS 1570 (Part 6) 103T3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 1299 9CrWMn vs IS 1570 (Part 6) 103T3 is a 59% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GB/T 1299 9CrWMn:
EN ISO 683-17 100Cr6 DIN EN ISO 4957 1.2344 GB/T 1299 4Cr5MoSiV1 EN ISO 4957 1.2316 GOST 5950 3H2W8F GB/T 1299 3Cr2W8V AISI 52100 GOST 5950 4H5MFS GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2379 GB/T 1299 4Cr5MoSiV
Other Tool & Die Steels Grades to Compare With GB/T 1299 9CrWMn:
IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
59%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property GB/T 1299 9CrWMn IS 1570 (Part 6) 103T3
Standard GB/T 1299-2014 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.85-0.95 0.95-1.10
Si (%) 0.10-0.40 0.10-0.30
Mn (%) 0.90-1.20 <=0.40
Cr (%) 0.50-0.80 <=0.20
W (%) 0.50-0.80 Not specified
P (%) 0.030 max <=0.035
S (%) 0.030 max <=0.035
Cu (%) Not specified <=0.25
Ni (%) Not specified <=0.25
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GB/T 1299 9CrWMn IS 1570 (Part 6) 103T3
Tensile Strength 850-1050 MPa Not specified
Yield Strength 650-850 MPa Not specified
Elongation 8-12% Not specified
Hardness 58-64 HRC Not specified
Typical Applications
GB/T 1299 9CrWMn
Used for gauges, reamers, punches, dies, measuring tools, and cold cutting blades.
IS 1570 (Part 6) 103T3
Not documented
Key Differences
Can GB/T 1299 9CrWMn Be Substituted With IS 1570 (Part 6) 103T3?
GB/T 1299 9CrWMn and IS 1570 (Part 6) 103T3 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
GB/T 1299 9CrWMn
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2600–3000 mm (102.36–118.11 in)
IS 1570 (Part 6) 103T3
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On M-EX Right Now
GB/T 1299 9CrWMn
2 active listings and RFQs →
IS 1570 (Part 6) 103T3
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Frequently Asked Questions
What is the difference between GB/T 1299 9CrWMn and IS 1570 (Part 6) 103T3?
GB/T 1299 9CrWMn specifies W which is not specified for IS 1570 (Part 6) 103T3. IS 1570 (Part 6) 103T3 specifies Cu, Ni which are not specified for GB/T 1299 9CrWMn.
Can GB/T 1299 9CrWMn be substituted with IS 1570 (Part 6) 103T3?
GB/T 1299 9CrWMn and IS 1570 (Part 6) 103T3 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.