Material Specification | Chenab Engineering

MaterialSpecification

Chenab Engineering operates a fully equipped materials lab with state-of-the-art analysis equipment for cast metals and cast metal matrix composites. Our team employs rigorous testing protocols to minimize casting defects and maximize structural performance — from Gray Iron to high-alloy defence-grade steels.

6+ Material Categories

30+ ASTM / AISI Grades

ISO 9001 · 14001 · 45001

1950 Est. Since

ASTM A48 Class	BS Grade	Test Bar Dia	N/mm²	kgf/mm²	tonn/in²
21.80	150	30–32 mm	150	15.3	9.7
26.09	180	30–32 mm	180	16.4	11.7
31.95	220	30–32 mm	220	22.4	14.2
37.68	260	30–32 mm	260	26.5	16.8
43.55	300	30–32 mm	300	30.6	19.4
50.72	350	30–32 mm	350	35.7	22.7
57.97	400	30–32 mm	400	40.8	25.9

ASTM A48 Class

BS Grade

Test Bar Dia

N/mm²

kgf/mm²

tonn/in²

21.80

150

30–32 mm

150

15.3

9.7

26.09

180

30–32 mm

180

16.4

11.7

31.95

220

30–32 mm

220

22.4

14.2

37.68

260

30–32 mm

260

26.5

16.8

43.55

300

30–32 mm

300

30.6

19.4

50.72

350

30–32 mm

350

35.7

22.7

57.97

400

30–32 mm

400

40.8

25.9

ASTM A536 Class	Tensile (N/mm²)	Tensile (kgf/mm²)	Tensile (lbf/in²)	Yield (N/mm²)	Yield (lbf/in²)	Elongation %
60-40-18	414	42.2	60,000	276	40,000	18
65-45-12	448	45.7	65,000	310	45,000	12
80-55-06	552	56.2	80,000	379	55,000	6
100-70-03	689	70.3	100,000	483	70,000	3
120-90-02	827	84.4	120,000	621	80,000	2

ASTM	AISI	C %	Si %	Mn %	Cr %	Ni %	Mo %	P Max	S Max	Yield (MPa)	Tensile (MPa)	Elong %	BHN	Charpy (J)
—	1015	0.13–0.18	0.4	0.3–0.6	—	—	—	0.04	0.05	270	450	25	120	90
A-356 Cl.5	4118	0.18–0.23	0.15–0.35	0.70–0.90	0.40–0.60	—	0.08–0.15	0.035	0.04	450	650	12	180	40–50
A-4879-Q	4140	0.38–0.43	0.15–0.35	0.75–1.0	0.80–1.10	—	0.15–0.25	0.035	0.04	490	685	12	225	40–50
A-217 CS	5150	0.48–0.53	0.15–0.35	0.70–0.90	0.70–0.90	—	—	0.035	0.04	490	685	12	220	40–50
—	1335	0.33–0.38	0.15–0.35	1.6–1.9	—	—	—	0.035	0.04	440	685	25	200	40–50
—	50B40	0.38–0.43	0.15–0.35	0.75–1.0	0.40–0.60	—	—	0.035	0.04	460	785	22	220	40–50
A-217 WC-4	8630	0.28–0.33	0.15–0.35	0.70–0.90	0.40–0.60	0.40–0.70	0.15–0.25	0.035	0.04	590	835	17	300	40–50

ASTM	AISI	C %	Si %	Mn %	Cr %	Ni %	Mo %	P Max	S Max	Yield (MPa)	Tensile (MPa)	Elong %	BHN	Charpy (J/cm²)
A-296 CF-20	302	0.15 Max	1.0	2.0	17–19	8–10	—	0.045	0.03	196	490	50	160	80
A-296 CF-8	304	0.08	1.0	2.0	18–20	8–12	—	0.045	0.03	245	490	40	140	100
A-296 CA-15	410	0.15	1.0	1.0	11.5–13.5	0.5 Max	—	0.045	0.03	490	690	30	185	70
A-296 CH-20	309	0.20	1.0	2.0	22–24	12–15	—	0.045	0.03	350	590	30	190	40
A-296 CF-8h	316	0.08	1.0	2.0	16–18	10–14	2–3	0.045	0.03	245	590	50	160	100

ASTM	AISI	C %	Si %	Mn %	Cr %	Ni %	Mo %	Other	P Max	S Max	Yield (MPa)	Tensile (MPa)	Elong %	BHN	Charpy (J/cm²)
A-128	—	1.2	0.8	10.0	3.5	—	—	Cu 1.0	0.05	0.05	400	850	35	210	260
A-128	—	1.2	0.4	12.0	—	—	—	—	0.05	0.05	350	700	40	200	260
A-128 E-2	—	1.2	0.4	12.0	—	—	2.0	—	0.05	0.05	400	900	30	220	260
A-487 10-N	4340	0.38–0.43	0.15–0.35	0.60–0.80	0.70–0.90	1.65–2.0	0.20–0.30	—	0.05	0.05	1100	1300	15	450	30

ASTM	AISI	C %	Si %	Mn %	P Max	S Max	Yield (MPa)	Tensile (MPa)	Elong %	BHN	Charpy (J/cm²)
—	1015	0.13–0.18	0.4	0.3–0.6	0.04	0.05	270	450	25	120	90
—	1020	0.18–0.23	0.4	0.3–0.6	0.04	0.05	270	450	22	130	80
A-148 80-50	1030	0.28–0.34	0.4	0.6–0.9	0.04	0.05	330	550	20	140	60
A-148 90-60	1040	0.43–0.50	0.4	0.60–0.90	0.04	0.05	400	650	17	170	40
A-148 105-85	1050	0.48–0.55	0.4	0.6–0.9	0.04	0.05	500	750	15	190	20
A-148 120-95	1060	0.55–0.65	0.4	0.6–0.9	0.04	0.05	600	850	14	210	10

Our Products

Engineered for Excellence · Castings & Machined Components

07 / PRODUCTS

MATERIAL: GRAY IRON

Grades 150 to 400
Tensile Strength 150–400 N/mm²
Applications Pump Housings, Valve Bodies
Casting Weight Up to 500 kg

MATERIAL: S.G. IRON

Grades 60-40-18 to 120-90-02
Yield Strength 276–621 MPa
Elongation 2% – 18%
Applications Gearboxes, Automotive Parts

MATERIAL: ALLOY STEEL

Common Grades 4140, 4340, 8630
Tensile Strength 685–1300 MPa
Hardness (BHN) 180–450
Applications Heavy Machinery, Gears

MATERIAL: STAINLESS

Common Grades 304, 316, 410
Cr Content 11.5% – 24%
Ni Content 0.5% – 15%
Applications Pumps, Valves, Marine

MATERIAL: HEAT RESISTING

Common Grades 310, 309, 446
Cr Content 22% – 27%
Max Service Temp 1100°C
Applications Furnace Parts, Kilns

MATERIAL: MANGANESE STEEL

Mn Content 10% – 14%
Impact Resistance 260 J/cm²
Work Hardening Excellent
Applications Crushers, Excavators

MATERIAL: CARBON STEEL

Common Grades 1015 – 1060
Carbon Range 0.13% – 0.65%
Tensile Strength 450–850 MPa
Applications Structural, General Engg.

MATERIAL: ANY GRADE

Casting Process Sand / Investment
Weight Range 1 kg – 2000 kg
Machining CNC Capable
Testing NDT Available

Our Capabilities

Foundry · Machining · Testing

08 / CAPABILITIES

FurnacesInduction 5 Ton
Monthly Capacity200 Ton
ProcessesGreen Sand, No-Bake

Furnace TypeElectric/Gas
Max Temp1200°C
QuenchingOil/Water/Polymer

CNC Lathes8 Units
VMC4 Units
BoringUp to 2m

Tensile Testing60 Ton
HardnessBHN, Rockwell
NDTUT, MPI, Dye Pen

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MaterialSpecification

Gray Iron

S.G. Iron

Low Alloy Steel

Corrosion Resisting Steel

Wear Resisting Steel

Carbon Steel

Our Products

Gray Iron Castings

Ductile Iron Castings

Low Alloy Steel

Stainless Steel

Heat Resisting Steel

Wear Resisting Steel

Carbon Steel

Custom Engineered

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Foundry

Heat Treatment

Machining

Testing

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