Unisteels and Engineering Co. (P) Ltd.

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Click any of our material grades below for further detail and size availability.

Our Grade
Equivalent Standard
AISI 4130 NACE
AISI 4140 Non-NACE
AISI 4140 NACE
AISI 4340 NACE
AISI 8630 Mod NACE
AISI 410 NACE
17-4 PH NACE
Alloy K500 NACE
Alloy 718 NACE
AISI 4130
AISI 4140
AISI 4140
AISI 4340
AISI 8630 modified
UNS S41000
UNS S17400
UNS N05500
UNS N07718

AISI 4130      (NACE)
Typical Analysis, % C 0.28-0.33, Si 0.15-0.35, Mn 0.40-0.60, Cr 0.80-1.10
Mo 0.15-0.25, V 0.05 max, S 0.025 max, P 0.025 max
Supplied Condition Normalised, hardened and tempered.
Typical Hardness 207-235 BHN
Stock Range Round:  25 - 920mm
Square: 260 - 485mm

 

AISI 4140      (Non-NACE)
Typical Analysis, % C 0.38-0.43, Si 0.15-0.35, Mn 0.75-1.00, Cr 0.80-1.10, Mo 0.15-0.25
S 0.025 max, P 0.025 max
Supplied Condition Normalised, hardened and tempered.
Typical Hardness 277-302 BHN
Stock Range Round:  36 - 690mm

AISI 4140      (NACE)
Typical Analysis, % C 0.38-0.43, Si 0.15-0.35, Mn 0.75-1.00, Cr 0.80-1.10, Mo 0.15-0.25
Ni 0.25 max, V 0.30 max, S 0.025 max, P 0.025 max, Cu 0.35 max
Supplied Condition Normalised, hardened and tempered.
Typical Hardness 207-235 BHN
Stock Range Round:  50 - 450mm

 

AISI 4340      (NACE)
Typical Analysis, % C 0.38-0.43, Si 0.15-0.35, Mn 0.60-0.80, Cr 0.70-0.90, Mo 0.20-0.30
Ni 1.65-2.00, S 0.040 max, P 0.035 max
Supplied Condition Hardened and tempered.
Typical Hardness 207-235 BHN
Stock Range Round:  16 - 400mm

AISI 8630 Mod      (NACE)
Typical Analysis, % C 0.28-0.33, Si 0.15-0.35, Mn 0.75-0.95, Cr 0.80-1.00, Mo 0.35-0.45
Ni 0.70-0.90, S 0.025 max, P 0.025 max
Supplied Condition Hardened and tempered.
Typical Hardness 217-235 BHN
Stock Range Round:  360 - 850mm

 

AISI 410 Stainless      (NACE)
Typical Analysis, % C 0.07-0.15, Si 1.00 max, Mn 1.00 max, Cr 11.50-13.50, Mo 0.50 max
Ni 0.40 max, S 0.025 max, P 1.025 max
Supplied Condition Hardened and double tempered.
Typical Hardness 207-235 BHN
Stock Range Round:   32 - 692mm
Square:  225 - 465mm

17-4 PH (Stainless)      (NACE)
Typical Analysis, % C 0.07 max, Si 1.00 max, Mn 1.00 max, Cr 15.50-17.50, Ni 3.00-5.00
S 0.03 max, P 0.05.max, Cu 3.00-5.00, Cb+Ta 0.15-0.45
Supplied Condition Solution annealed an double aged (2 x H1150).
Typical Hardness 279-311 BHN
Stock Range Round:   30 - 300mm

 

Alloy K500      (NACE)
Typical Analysis, % C 0.25 max, Si 0.50 max, Mn 1.50 max, Ni 63.0-70.0, S 0.01 max
Al 2.30-3.15, Fe 2.00 max, Cu 27.00-33.00, Ti 0.35-0.85
Supplied Condition Hot finished (worked), solution annealed and age hardened.
Typical Hardness 255-321 BHN
Stock Range Round:   32 - 45mm

Alloy 718      (NACE)
Typical Analysis, % C 0.08 max, Si 0.35 max, Mn 0.35 max, Cr 17.00-21.00, Mo 2.80-3.30
Ni+Co 50.00-55.00 S 0.015 max, P 0.015 max, Al 0.20-0.80, Cu 0.30 max
Ti 0.65-1.15, Cb+Ta 4.75-5.50, Co 1.00 max, B 0.006 max, Fe Bal.
Supplied Condition Solution annealed and age hardened.
Typical Hardness 298-362 BHN
Stock Range Round:   32 - 110mm

Contact Us
Company Name :
Unisteels & Engineering Co. (P) Ltd.
Company Address :
52/52A, Islampura Street, Near Alankar
Cinema, Mumbai-400004, India
Phone :
91-22-2380 6452 / 6659 5316 / 6743 6950
Fax :
91-22-2386 4507
Contact Person :
Mr. Pukhraj Shah
Mobile :
0091-93240 49344
  info@unisteels.in


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