Stainless Steel Seamless Pipe

Stainless Steel Pipe & Fittings, Stainless Steel Seamless Pipe

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Standard：ASTM A312,ASTM A269
Material：TP304,TP304L,TP316,TP316L,TP321,TP347,TP410,TP405,TP310S
Surface：Matt,Pickled,Acid White
Techinque：Seamless

Stainless Steel Seamless Pipe

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We supply a substantial inventory of high-quality stainless steel seamless pipe in various grades such as 300 series,200 series ,even for 400 series.

ASTM A312 stainless steel seamless pipe has a very good resistance to corrosion and maintains strength at high temperatures. ASTM A269 refers to nominal-wall-thickness, seamless and welded austenitic steel tubing for general corrosion-resisting and low- or high-temperature service. All material shall be furnished in the heat-treated condition.

Stainless steel pipe

Sizes:1/8″ to 24″
Grade:304H, 316H, 309/S, 310/S, 317/L, 321/H, 347/H, 904L, 330, 254SMO, 410.
Specifications: ASTM A312, ASTM A358, ASTM A813, ASTM A814,ASTM A269.

Grade of stainless steel pipe

Material	ASTM Grade	UNS Grade	DIN Grade	JIS Grade	Steel Name
Austenitic	TP 304	S30400	1.4301	SUS304TB	X5CrNi18-20
TP 304L	S30403	1.4306		X2CrNi19-11
TP 304L	S30403	1.4307	SUS304LTB	X2CrNi18-9
TP 304H	S30409	1.4948	SUS304HTB	X6CrNi18-10
TP 310S	S31008	1.4845	SUS310STB	X8CrNi25-21
TP 310H	S31009
		1.4335		X1CrNi25-21
TP 316	S31600	1.4401	SUS316TB	X5CrNiMo17-12-2
TP 316L	S31603	1.4404	SUS316LTB	X2CrNiMo17-12-2
TP 316H	S31609	1.4918	SUS316HTB	X6CrNiMo17-13-2
TP 316Ti	S31635	1.4571	SUS316TiTB	X6CrNiMo17-12-2
TP 321	S32100	1.4541	SUS321TB	X6CrNiNb18-10
TP 312H	S32109	1.4941	SUS321HTB	X6CrNiTiB18-10
TP 347	S34700	1.455	SUS347TB	X6CrNiNb18-10
TP 347H	S34709	1.4912	SUS347HTB	X7CrNiNb18-10
Ferritic & Martensitic	TP 405	S41500	1.4002	SUS 405TB	X6CrAl13
TP 410	S41000	1.4006	SUS 410TB	X12Cr13
TP 430	S43000	1.4016	SUS 430TB	X6Cr17
Ferritic / Austenitic		UNS S31803
2205	UNS S32205	1.4462		X2CrNiMoN22-5-3
2507	UNS S32750	1.441		X2CrNiMoN25-7-4
	UNS S32760	1.4501		X2CrNiMoCuWN25-7-4

Chemical Requirements (%)

Grade	UNS Desig	C	Mn	P	S	Si	Cr	Ni	Mb	Ti	Nb	Ta	N	Vn	Cu	Ce	B	Al	Other
TP304	S30400	0.08	2	0.045	0.03	1	18.0–20	8.0–11	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .
TP304L	S30403	0.035	2	0.045	0.03	1	18.0–20	8.0–13	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .
TP304H	S30409	0.04 – 0.1	2	0.045	0.03	1	18.0–20	8.0–11	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .
TP310S	S31008	0.08	2	0.045	0.03	1	24.0- 26	19.0- 22	0.75	. . .	. . .	. . .	. . .	. . .	. . .	. . .
TP310H	S31009	0.04 – 0.1	2	0.045	0.03	1	24.0–26	19.0–22	. . .	. . .	. . .	. . .	. . .	. . .		. . .
TP310H	S31035	0.04 – 0.1	0.6	0.025	0.015	0.4	21.5–23.5	23.5–26.5	. . .	. . .	0.40- 0.6	. . .	0.20- 0.3	. . .	2.5- 3.5	. . .	0.002- 0.008		See Spec
TP316	S31600	0.08	2	0.045	0.03	1	16.0–18	10.0–14	2.00–3	. . .	. . .	. . .	. . .	. . .	. . .	. . .
TP316L	S31603	0.035	2	0.045	0.03	1	16.0–18	10.0–14	2.00–3	. . .	. . .	. . .	. . .	. . .	. . .	. . .
TP316H	S31609	0.04 – 0.1	2	0.045	0.03	1	16.0–18	10.0–14	2.00–3	. . .	. . .	. . .	. . .	. . .	. . .	. . .
TP317	S31700	0.08	2	0.045	0.03	1	18.0–20	11.0–15	3.0–4	. . .	. . .	. . .	. . .	. . .	. . .	. . .
TP317L	S31703	0.035	2	0.045	0.03	1	18.0–20	11.0–15	3.0–4	. . .	. . .	. . .	. . .	. . .	. . .	. . .
TP321	S32100	0.08	2	0.045	0.03	1	17.0–19	9.0–12	. . .	Ti 5 × (C+N) min, 0.70 max	. . .	. . .	0.1	. . .	. . .	. . .
TP321H	S32109	0.04 – 0.1	2	0.045	0.03	1	17.0–19	9.0–12	. . .	4(C+N) min; 0.70 max	. . .	. . .	0.1	. . .	. . .	. . .
TP321H	S32654	0.02	2.0-4	0.03	0.005	0.5	24.0–25	21.0–23	7.0-8	. . .	. . .	. . .	0.45- 0.55	. . .	0.30-0.6	. . .
TP321H	S33228	0.04 – 0.08	1	0.02	0.015	0.3	26.0–28	31.0–33	. . .	. . .	0.60- 1	. . .	. . .	. . .	. . .	0.05 – 0.1		0.025
TP321H	S34565	0.03	5.0-7	0.03	0.01	1	23.0–25	16.0–18	4.0-5	. . .	0.1	. . .	0.40- 0.6	. . .	. . .	. . .
TP347	S34700	0.08	2	0.045	0.03	1	17.0–19	9.0–13	. . .	. . .	See Spec	. . .	. . .	. . .	. . .	. . .
TP347H	S34709	0.04 – 0.1	2	0.045	0.03	1	17.0–19	9.0–13	. . .	. . .	See Spec	. . .	. . .	. . .	. . .	. . .
Alloy 20	N08020	0.07	2	0.045	0.035	1	19.0–21	32.0–38	2.0–3	. . .	See Spec	See Spec	. . .	. . .	3.0– 4	. . .	. . .	. . .
Alloy 20	N08367	0.03	2	0.04	0.03	1	20.0–22	23.5–25.5	6.0–7	. . .	. . .	. . .	0.18–0.25	. . .	0.75	. . .	. . .	. . .
Alloy 20	N08028	0.03	2.5	0.03	0.03	1	26.0–28	30.0–34	3.0–4						0.60–1.4
Alloy 20	N08029	0.02	2	0.025	0.015	0.6	26.0–28	30.0–34	4.0–5						0.6– 1.4

Heat Treatment Chart

Grade	UNS Designation	Finish	Heating Temperature
TP304H	S30409, S30415	Cold	1900 °F [1040 °C]
TP304H	S30409, S30415	Hot	1900 °F [1040 °C]
TP310H	S31009		1900 °F [1040 °C]
TP310H	S31035		2160—2280 °F [1180—1250 °C]
TP316H	S31609	Cold	1900 °F [1040 °C]
TP316H	S31610	Hot	1900 °F [1040 °C]
TP321H	S32109, S32615	Cold	2000 °F [1100 °C]
TP321H	S32109, S32615	Hot	1925 °F [1050 °C]
TP321H	S32654		2100 °F [1150 °C]
TP321H	S33228		2050—2160 °F [1120—1180 °C]
TP321H	S34565		2050—2140 °F [1120—1170 °C]
TP347H	S34709	Cold	2000 °F [1100 °C]
TP347H	S34709	Hot	1925 °F [1050 °C]
Alloy 20	N08020		1700—1850 °F [925—1010 °C]
Alloy 20	N08367		2025 °F [1110 °C]
Alloy 20	N08028		2000 °F [1100 °C]
Alloy 20	N08029		2000 °F [1100 °C]

Tensile Requirements

Grade	UNS Designation	Tensile Strength, min ksi [MPa]	Yield Strength, min ksi [MPa]	Other
TP304	S30400	75 [515]	30 [205]
TP304L	S30403	70 [485]	25 [170]
TP304H	S30409	75 [515]	30 [205]
TP304H	S30415	87 [600]	42 [290]
TP310S	S31008	75 [515]	30 [205]
TP310H	S31009	75 [515]	30 [205]
TP310H	S31035	95 [655]	45 [310]
TP316	S31600	75 [515]	30 [205]
TP316L	S31603	70 [485]	25 [170]
TP316H	S31609	75 [515]	30 [205]
TP316H	S31635	75 [515]	30 [205]
TP317	S31700	75 [515]	30 [205]
TP317L	S31703	75 [515]	30 [205]
TP317L	S31725	75 [515]	30 [205]
TP317L	S31726	80 [550]	35 [240]
TP317L	S31727	80 [550]	36 [245]
TP317L	S31730	70 [480]	25 [175]
TP317L	S32053	93 [640]	43 [295]
TP321	S32100	75 [515]	30 [205]	welded & seamless
TP321	S32100	75 [515]	30 [205]	t = 0.375 in.
TP321	S32100	70 [480]	25 [170]	t > 0.375 in.
TP321H	S32109	75 [515]	30 [205]	welded & seamless
TP321H	S32109	75 [515]	30 [205]	t = 0.375 in.
TP321H	S32109	70 [480]	25 [170]	t > 0.375 in.
TP321H	S32615	80 [550]	32 [320]
TP321H	S32654	109 [750]	62 [430]
TP321H	S33228	73 [500]	27 [185]
TP321H	S34565	115 [795]	60 [415]
TP347	S34700	75 [515]	30 [205]
TP347H	S34709	75 [515]	30 [205]
Alloy 20	N08020	80 [550]	35 [240]
Alloy 20	N08028	73 [500]	31 [214]
Alloy 20	N08029	73 [500]	31 [214]
Alloy 20	N08367	100 [690]	45 [310]	t = 0.187 in.
Alloy 20	N08367	95 [655]	45 [310]	t > 0.187 in.

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Stainless Steel Seamless Pipe

We supply a substantial inventory of high-quality stainless steel seamless pipe in various grades such as 300 series,200 series ,even for 400 series.

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