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GB/T 1299 9CrWMn vs IS 1570 (Part 6) T90Mn6WCr2

Close Alternative — 80.4% match based on chemical composition and mechanical property overlap.

GB/T 1299 9CrWMn (GB/T 1299-2014) and IS 1570 (Part 6) T90Mn6WCr2 (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) T90Mn6WCr2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 1299 9CrWMn vs IS 1570 (Part 6) T90Mn6WCr2 is a 80.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 80.4%.

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
80.4%
MECHANICAL MATCH
No shared data
OVERALL
80.4%
Specifications
Property GB/T 1299 9CrWMn IS 1570 (Part 6) T90Mn6WCr2
Standard GB/T 1299-2014 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.85-0.95 0.85-0.95
Si (%) 0.10-0.40 0.10-0.35
Mn (%) 0.90-1.20 1.25-1.75
Cr (%) 0.50-0.80 0.30-0.60
W (%) 0.50-0.80 0.40-0.60
P (%) 0.030 max <=0.035
S (%) 0.030 max <=0.035
V (%) Not specified <=0.25 (optional)
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) T90Mn6WCr2
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) T90Mn6WCr2
Not documented
Key Differences
Can GB/T 1299 9CrWMn Be Substituted With IS 1570 (Part 6) T90Mn6WCr2?
GB/T 1299 9CrWMn and IS 1570 (Part 6) T90Mn6WCr2 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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) T90Mn6WCr2
No active listings currently.
On M-EX Right Now
GB/T 1299 9CrWMn
2 active listings and RFQs →
IS 1570 (Part 6) T90Mn6WCr2
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 1299 9CrWMn and IS 1570 (Part 6) T90Mn6WCr2?
IS 1570 (Part 6) T90Mn6WCr2 specifies V which is not specified for GB/T 1299 9CrWMn.
Can GB/T 1299 9CrWMn be substituted with IS 1570 (Part 6) T90Mn6WCr2?
GB/T 1299 9CrWMn and IS 1570 (Part 6) T90Mn6WCr2 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.