Stainless Steel Buttweld Fittings | SS Butt-weld Fittings Manufacturers in India: AstroForge Fitting Industries

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Chemical Composition of SS Buttweld Fittings

Grade	C	Mn	Si	P	S	Cr	Ni
SS 304	0.08 max	2 max	0.75 max	0.045 max	0.030 max	18 – 20	8 – 11

Grade	C	Mn	Si	P	S	Cr	Ni
SS 304L	0.035 max	2.0 max	1.0 max	0.045 max	0.03 max	18 – 20	8 – 13

Grade	C	Si	P	Mn	Mo	Ni	S	Cr	N
SS 304H	0.10 max	0.75 max	0.045 max	2 max	–	8 – 10.5	0.03 max	18 – 20	–

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	Fe
SS 310S	0.08 max	2.0 max	1.00 max	0.045 max	0.030 max	24.00 – 26.00	0.75 max	19.00 – 21.00	53.095 min
SS 310	0.015 max	2.0 max	0.15 max	0.020 max	0.015 max	24.00 – 26.00	0.10 max	19.00 – 21.00	54.7 min

Grade	C	Mn	P	Si	Ni	Fe	S	Cr	Mo
SS 316L	0.035 max	2.0 max	0.045 max	1.0 max	10.00 – 14.00	68.89 min	0.030 max	16.00 – 18.00	2.00 – 3.00
SS 316	0.08 max	2.0 max	0.045 max	1.0 max	11.00 – 14.00	67.845 min	0.030 max	16.00 – 18.00	2.00 – 3.00

Grade	C	Mn	P	S	Si	Cr	Ni	Mo	Fe
SS 316Ti	0.08 max	2.0 max	0.045 max	0.030 max	0.75 max	16.00 – 18.00	10.00 – 14.00	2.00 – 3.00	68.395 min

Grade	C	Si	Mn	P	Ni	Fe	S	Cr	Mo
SS 317	0.08 max	1.0 max	2.0 max	0.045 max	11.00 – 15.00	57.845 min	0.030 max	18.00 – 20.00	3.00 – 4.00

Grade	C	Mn	S	Cr	Si	P	Mo	Ni	Fe
SS 317L	0.035 max	2.0 max	0.030 max	18.00 – 20.00	1.0 max	0.045 max	3.00 – 4.00	11.00 – 15.00	57.89 min

Grade	C	Mn	Cr	Cb	Si	P	S	Ni	Fe
SS 347H	0.04 – 0.10	2.0 max	17.00 – 19.00	8xC – 1.10	1.0 max	0.045 max	0.030 max	9.0 -13.0	63.72 min
SS 347	0.08 max	2.0 max	17.00 – 20.00	10xC – 1.10	1.0 max	0.045 max	0.030 max	9.00 – 13.00	62.74 min

Grade		C	P	S	Mn	Si	Cr	Mo	Ni	N
410	min.	–	–	–	–	–	11.5	–	–	–
410	max.	0.15	0.040	0.030	1.0	1.00	13.5	–	0.75	–

Grade	C	Mn	S	Cr	Mo	Si	P	Ni	N	Fe
SS 446	0.2 max	1.5 max	0.030 max	23 – 30	–	0.75 max	0.04 max	0.50 max	0.10 – 0.25	Balance

Grade		C	Mn	P	S	Si	Cr	MO	Ni	N
446	Min	–	–	–	–	–	23.00	–	–	0.10
max	0.2	1.5	0.75	0.030	30.00	0.040	–	0.50	0.25	–

Grade	C	S	Cr	Mn	Si	Ni	Cu	P	Mo
SS 904L	0.020 max	0.030 max	19.00 – 23.00	2.00 max	1.00 max	23.00 – 28.00	1.00 – 2.00	0.040 max	4.00 – 5.00 max

Mechanical Properties of SS Butt weld Pipe Fittings

Grade	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
304	8.0 g/cm3	1400 °C (2550 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Grade	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
304L	8.0 g/cm3	1400 °C (2550 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Grade	Density	Tensile Strength	Melting Point	Yield Strength (0.2%Offset)	Elongation
304h	8.0 g/cm3	Psi – 75000 , MPa – 515	1400 °C (2550 °F)	Psi – 30000 , MPa – 205	40 %

Grade	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
310/310s	7.9 g/cm3	1402 °C (2555 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	40 %

Grade	Melting Point	Density	Elongation	Tensile Strength	Yield Strength (0.2%Offset)
SS 316L	1399 °C (2550 °F)	8.0 g/cm3	35 %	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205
SS 316	1400 °C (2550 °F)	8.0 g/cm3	35 %	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205

Grade	Density	Tensile Strength	Melting Point	Yield Strength (0.2%Offset)	Elongation
316Ti	8.0 g/cm3	Psi – 75000 , MPa – 515	1399 °C (2550 °F)	Psi – 30000 , MPa – 205	35 %

Grade	Density	Tensile Strength	Melting Point	Yield Strength (0.2%Offset)	Elongation
317	7.9 g/cm3	Psi – 75000 , MPa – 515	1400 °C (2550 °F)	Psi – 30000 , MPa – 205	35 %

Grade	Density	Tensile Strength	Melting Point	Yield Strength (0.2%Offset)	Elongation
317L	7.9 g/cm3	Psi – 75000 , MPa – 515	1400 °C (2550 °F)	Psi – 30000 , MPa – 205	35 %

Grade	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
347/347h	8.0 g/cm3	1454 °C (2650 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Grade	Density	Melting Point	Yield Strength (0.2%Offset)	Tensile Strength	Elongation
446	7.5 g/cm3	1510 °C (2750 °F)	Psi – 40,000 , MPa – 275	Psi – 75,000 , MPa – 485	20 %

Grade	Density	Tensile Strength	Melting Point	Yield Strength (0.2%Offset)	Elongation
446	7.5 g/cm3	Psi – 75,000 , MPa – 485	1510 °C (2750 °F)	Psi – 40,000 , MPa – 275	20 %

Grade	Density	Tensile Strength	Melting Point	Yield Strength (0.2%Offset)	Elongation
904L	7.95 g/cm3	Psi – 71000 , MPa – 490	1350 °C (2460 °F)	Psi – 32000 , MPa – 220	35 %

Materials

Stainless Steel Buttweld Fittings

Stainless Steel Forged Fittings

Stainless Steel Flanges

Inconel Buttweld Fittings

Inconel Forged Fittings

Inconel Flanges

Hastelloy Buttweld Fittings

Hastelloy Forged Fittings

Hastelloy Flanges

Duplex Steel Buttweld Fittings

Duplex Steel Forged Fittings

Duplex Steel Flanges

Monel Buttweld Fittings

Monel Forged Fittings

Monel Flanges

Titanium Buttweld Fittings

Titanium Forged Fittings

Titanium Flanges

Nickel Buttweld Fittings

Nickel Forged Fittings

Nickel Flanges

Cupro Nickel Buttweld Fittings

Cupro Nickel Forged Fittings

Cupro Nickel Flanges

Alloy Steel Buttweld Fittings

Alloy Steel Forged Fittings

Alloy Steel Flanges

Carbon Steel Buttweld Fittings

Carbon Steel Forged Fittings

Carbon Steel Flanges

AISI 4130 Pipe Fittings & Flanges

SMO 254 Pipe Fittings & Flanges

Alloy 20 Pipe Fittings & Flanges