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Steel and Alloy Steel

SVJB is a premier supplier and manufacturer of high-quality Steel and Alloy Steel products. Our range includes carbon steel, alloy steel plates, sheets, coils, pipes, tubes, and bars suitable for diverse industrial applications.

We provide steel products that offer superior strength, toughness, and wear resistance for demanding environments such as construction, automotive, heavy machinery, oil & gas, and infrastructure projects.

Our Alloy Steels include chromium, molybdenum, nickel, and vanadium-enhanced grades to meet enhanced mechanical and corrosion resistance requirements, all manufactured to international standards like ASTM, DIN, and IS.

FEATURES OF STEEL AND ALLOY STEEL

  • High Strength & Durability: Designed to withstand heavy loads and extreme conditions.
  • Wide Range of Grades: Including mild steel, carbon steel, alloy steel, and tool steel.
  • Excellent Machinability: Suitable for manufacturing parts requiring precision.
  • Corrosion & Wear Resistance: Alloying elements improve performance in harsh environments.
  • Standards Compliance: Products manufactured as per ASTM, DIN, IS, and EN standards.

Chemical Composition

ASTM ASTM A234

Specification for Piping Fittings of Wrought Alloy Steel for Moderate and High Temperature Service

Gr. C Mn P
max		 S
max		 Si
WP1 0.28
max		 0.3
0.9		 0.045 0.045 0.1
0.5
WP12 CL1 0.05
0.2		 0.3
0.8		 0.045 0.045 0.6
max
WP12 CL2 0.05
0.2		 0.3
0.8		 0.045 0.045 0.6
max
WP11 CL1 0.05
0.15		 0.3
0.6		 0.03 0.03 0.5
1.0
WP11 CL2 0.05
0.2		 0.3
0.8		 0.04 0.04 0.5
1.0
WP11 CL3 0.05
0.2		 0.3
0.8		 0.04 0.04 0.5
1.0
WP22 CL1 0.05
0.15		 0.3
0.6		 0.04 0.04 0.5
max
WP22 CL3 0.05
0.15		 0.3
0.6		 0.04 0.04 0.5
max
WP5 CL1 0.15
max		 0.3
0.6		 0.04 0.03 0.5
max
WP5 CL3 0.15
max		 0.3
0.6		 0.04 0.03 0.5
max
WP9 CL1 0.15
max		 0.3
0.6		 0.03 0.03 1.0
max
WP9 CL3 0.15
max		 0.3
0.6		 0.03 0.03 1.0
max
WPR 0.2
max		 0.4
1.06		 0.045 0.05  
WP91 0.08
0.12		 0.3
0.6		 0.02 0.01 0.2
0.5
WP911 0.09
0.13		 0.3
0.6		 0.02 0.01 0.1
0.5
Composition, %
Gr. Cr Mo Ni Cu Others
WP1   0.44
0.65		      
WP12 CL1 0.8
1.25		 0.44
0.65		      
WP12 CL2 0.8
1.25		 0.44
0.65		      
WP11 CL1 1.0
1.5		 0.44
0.65		      
WP11 CL2 1.0
1.5		 0.44
0.65		      
WP11 CL3 1.0
1.5		 0.44
0.65		      
WP22 CL1 1.9
2.6		 0.87
1.13		      
WP22 CL3 1.9
2.6		 0.87
1.13		      
WP5 CL1 4.
6.		 0.44
0.65		      
WP5 CL3 4.
6.		 0.44
0.65		      
WP9 CL1 8.
10.		 0.9
1.1		      
WP9 CL3 8.
10.		 0.9
1.1		      
WPR     1.6
2.24		 0.75
1.25		  
WP91 8.
9.5		 0.85
1.05		 0.4
max		   V 0.18
0.25
Nb 0.06
0.1
N 0.03
0.07
Al 0.02 max (6)
Ti 0.01 max (6)
Zr 0.01 max (6)
WP911 8.
9.5		 0.9
1.1		 0.4
max		   V 0.18
0.25
Nb 0.06
0.1
N 0.04
0.09
Al 0.02 max (6)
B 0.0003
0.006
W 0.9
1.1
Ti 0.01 max (6)
Zr 0.01 max (6)

ASTM A182

Specification for Alloy Steel Forgings for Piping Applications

Identification Symbol UNS Designation C Mn P S Si Cr Ni Mo Other Elements
F 1 K12822 0.28 0.6-0.9 0.045 0.045 0.15-0.35     0.44-0.65           
F 2B K12122 0.05-0.21 0.3-0.8 0.04 0.04 0.1-0.6 0.5-0.81   0.44-0.65           
F 5C K41545 0.15 0.3-0.6 0.03 0.03 0.5 4.0-6.0 0.5 0.44-0.65           
F 5aC K42544 0.25 0.6 0.04 0.03 0.5 4.0-6.0 0.5 0.44-0.65           
F 9 K90941 0.15 0.3-0.6 0.03 0.03 0.5-1 8.0-10.0   0.9-1.1           
F 10 S33100 0.1-0.2 0.5-0.8 0.04 0.03 1-1.4 7.0-9.0 19-22             
F 91 K90901 0.08-0.12 0.3-0.6 0.02 0.01 0.2-0.5 8-9.5 0.4 0.85-1.05 N[0.03-0.07]  Al [0.02D]
Ti [0.01D]
Cb [0.06-0.1]   V [0.18-0.25]
Zr [0.01D]  
F 92 K92460 0.07-0.13 0.3-0.6 0.02 0.01 0.5 8.5-9.5 0.4 0.3-0.6 N[0.03-0.07]  Al [0.02D]
Ti [0.01D]
Cb[0.04-0.09] B [0.001-0.006]
W [1.5-2.0]
 V [0.15-0.25] Zr [0.01D]  
F 122 K91271 0.07-0.14 0.7 0.02 0.01 0.5 10-11.5 0.5 0.25-0.6 N[0.04-0.1] Cu [0.3-1.7] Al [0.02D]
Ti [0.01D]
 Cb [0.04-0.1] B [0.005]
W [1.5-2.5]
 V [0.15-0.3] Zr [0.01D]  
F 911 K91061 0.09-0.13 0.3-0.6 0.02 0.01 0.1-0.5 8.5-9.5 0.4 0.9-1.1 N[0.04-0.09]  Al [0.02D]
Ti [0.01D]
Cb [0.06-0.1] B [0.0003-0.006]
W [0.9-1.1]
V [0.18-0.25] Zr [0.01D]  
F 11 K11597 0.05-0.15 0.3-0.6 0.03 0.03 0.5-1.0 1-1.5   0.44-0.65           
Class 1
F 11 K11572 0.1-0.2 0.3-0.8 0.04 0.04 0.5-1.0 1-1.5   0.44-0.65           
Class 2
F 11 K11572 0.1-0.2 0.3-0.8 0.04 0.04 0.5-1.0 1-1.5   0.44-0.65           
Class 3
F 12 K11562 0.05-0.15 0.3-0.6 0.045 0.045 0.5 max 0.8-1.25   0.44-0.65           
Class 1
F 12 K11564 0.1-0.2 0.3-0.8 0.04 0.04 0.1-0.6 0.8-1.25   0.44-0.65           
Class 2
F 21 K31545 0.05-0.15 0.3-0.6 0.04 0.04 0.5 max 2.7-3.3   0.8-1.06           
F 3V K31830 0.05-0.18 0.3-0.6 0.02 0.02 0.1 2.8-3.2   0.9-1.1  Ti [0.015-0.035]
B [0.001-0.003]
V [0.2-0.3]   
F 3VCb K31390 0.1-0.15 0.3-0.6 0.02 0.01 0.1 2.7-3.3 0.25 0.9-1.1  Cu [0.25] 
Ti [0.015]
Cb [0.015-0.07]
 V [0.2-0.3]
 Ca [0.0005–0.0150] 
F 22 K21590 0.05-0.15 0.3-0.6 0.04 0.04 0.5 2.0-2.5   0.87-1.13           
Class 1
F 22 K21590 0.05-0.15 0.3-0.6 0.04 0.04 0.5 2.0-2.5   0.87-1.13           
Class 3
F 22V K31835 0.11-0.15 0.3-0.6 0.015 0.01 0.1 2.0-2.5 0.25 0.9-1.1 Cu [0.2] 
Ti [0.03]
Cb [0.07]
B [0.002]
 V [0.25-0.35] Ca [0.015E] 
F 23 K41650 0.04-0.1 0.1-0.6 0.03 0.01 0.5 1.9-2.6 0.4 0.05-0.3 N[0.015F] 
Al [0.03]
Ti [0.005-0.06F]
Cb [0.02-0.08]
B [0.001-0.006]
W [1.45-1.75] V [0.2-0.3]   
F 24 K30736 0.05-0.1 0.3-0.7 0.02 0.01 0.15-0.45 2.2-2.6   0.9-1.1 N[0.12] 
Al [0.02]
 Ti [0.06-0.1]  B [0.0015-0.007] 
V [0.2-0.3]   
FR K22035 0.2 0.4-1.06 0.045 0.05     1.6-2.24    Cu [0.75-1.25]         
F 36 K21001 0.1-0.17 0.8-1.2 0.03 0.025 0.25-0.5 0.3 1-1.3 0.25-0.5 N[0.02]
Cu [0.5-0.8]
Al [0.05]    
V [0.02]   

Mechanical Composition

Grade Symbol Tensile Strength,
min, ksi [MPa]		 Yield Strength, min,
ksi [MPa]B 		Elongation in 2 in.
[50 mm] or 4D,
min, %		 Reduction of
Area, min, %		 Brinell Hardness
Number, HBW,
unless otherwise
indicated
F 1 70 [485] 40 [275] 20 30 143–192
F 2 70 [485] 40 [275] 20 30 143–192
F 5 70 [485] 40 [275] 20 35 143–217
F 5a 90 [620] 65 [450] 22 50 187–248
F 9 85 [585]   55 [380] 20 40  179–217
F 10 80 [550] 30 [205] 30 50 . . .
F 91 90 [620]  60 [415] 20 40 190–248
F 92 90 [620]  64 [440] 20 45 269 max
F 122 90 [620]  58 [400] 20 40 250 max
F 911 90 [620]  64 [440] 18 40 187–248
F 11
Class 1		 60 [415] 30 [205] 20 45  121–174
F 11
Class 2		 70 [485] 40 [275] 20 30 143–207
F 11
Class 3		 75 [515] 45 [310] 20 30 156–207
F 12
Class 1		 60 [415] 32 [220] 20 45 121–174
F 12
Class 2		  70 [485] 40 [275] 20 30 143–207
F 21  75 [515]  45 [310] 20 30 156–207
F 3V & F 3VCb 85–110 [585–760] 60 [415] 18 45 174–237
F 22
Class 1		  60 [415]  30 [205] 20 35  170 max
F 22
Class 3		  75 [515]  45 [310] 20 30 156–207
F 22V 85–110 [585–780] 60 [415] 18 45  174–237
F 23  74 [510]  58 [400] 20 40  220 max
F 24  85 [585] 60 [415] 20 40 248 max
FR 63 [435] 46 [315] 25 38 197 max
F 36 Class 1  90 [620] 64 [440] 15 . . . 252 max
F 36 Class 2 95.5 [660]  66.5 [460] 15 . . . 252 max

Equivalent Grades

AISI/SAE grade UNS DIN EN steel number EN steel name BS UNI JIS
(USA) (USA) (Germany) (Europe) (Europe) (UK) (Italy) (Japan)
4130   25CrMo4 1.7218   708A30 25CrMo4 (KB) SCM 420
GS-25CrMo4 CDS110 30CrMo4 SCM 430
      SCCrM1
4140/4142   41CrMo4 1.7223 42CrMo4 708M40 41CrMo4 SCM 440
42CrMo4 1.7225 708A42 38CrMo4 (KB) SCM 440H
42CrMoS4 1.7227 709M40 G40 CrMo4 SNB 7
43CrMo4 1.3563 En19 42CrMo4 SCM 4M
    En19C   SCM 4
4340   34CrNiMo6 1.6582 34CrNiMo6 817M40 35NiCrMo6 (KB) SNCM 447
40NiCrMo8-4 1.6562 En24 40NiCrMo7 (KB) SNB24-1-5
8620   21NiCrMo22 1.6543 20NiCrMo2-2 805A20 20NiCrMo2 SNCM 200 (H)
21NiCrMo2 1.6523 805M20
  K12822 15Mo3 1.5415 16Mo3 1503-243B 15Mo3 STBA12
K12320 240 16Mo3
K12020 243  
K11820    
F 5/F 5A K 41545 12CrMo195          
F 9 K 90941 X12CrMo91          
F 11 (CL2) K 11572 13CrMo44          
F 22 (CL3) K 21590 10CrMo910          
F 91   X10CrMoVNb9-1          

Carbon Steel

Standards:ASTM A36, IS 2062, EN 10025
Grades:IS 2062 E250, E350; ASTM A36; S275, S355
Applications:Structural steel, fabrication, machinery parts

Alloy Steel

Standards:ASTM A182, A387, DIN 1.7225
Grades:SAF 2205, 4140, 4340, 8630, 16Mo3
Properties:High tensile strength, toughness, wear resistance

Tool Steel

Standards:DIN 1.2379, AISI D2, O1, A2
Grades:D2, M2, O1, A2
Applications:Cutting tools, dies, molds, punches

Stainless Steel (Alloy Steel)

Standards:ASTM A240, A276, EN 10088
Grades:304, 304L, 316, 316L, 410, 430
Features:Corrosion resistance, high strength, aesthetic finish

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