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GB/T 1299 9CrWMn vs IS 1570 (Part 6) T140W15Cr2

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

GB/T 1299 9CrWMn (GB/T 1299-2014) and IS 1570 (Part 6) T140W15Cr2 (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) T140W15Cr2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 1299 9CrWMn vs IS 1570 (Part 6) T140W15Cr2 is a 71.8% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

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
71.8%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property GB/T 1299 9CrWMn IS 1570 (Part 6) T140W15Cr2
Standard GB/T 1299-2014 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.85-0.95 1.30-1.50
Si (%) 0.10-0.40 0.10-0.35
Mn (%) 0.90-1.20 0.25-0.50
Cr (%) 0.50-0.80 0.30-0.70
W (%) 0.50-0.80 3.50-4.20
P (%) 0.030 max <=0.035
S (%) 0.030 max <=0.035
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) T140W15Cr2
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) T140W15Cr2
Not documented
Can GB/T 1299 9CrWMn Be Substituted With IS 1570 (Part 6) T140W15Cr2?
GB/T 1299 9CrWMn and IS 1570 (Part 6) T140W15Cr2 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) T140W15Cr2
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On M-EX Right Now
GB/T 1299 9CrWMn
2 active listings and RFQs →
IS 1570 (Part 6) T140W15Cr2
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Frequently Asked Questions
What is the difference between GB/T 1299 9CrWMn and IS 1570 (Part 6) T140W15Cr2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 1299 9CrWMn be substituted with IS 1570 (Part 6) T140W15Cr2?
GB/T 1299 9CrWMn and IS 1570 (Part 6) T140W15Cr2 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.