321 Stainless Steel pipe

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321 Stainless Steel pipe

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Introduction
Specification

Product description

Type 321 Stainless Steel is a stabilized austenitic stainless steel similar to Type 304 but with a titanium addition of at least five times the carbon content. This titanium addition reduces or prevents carbide precipitation during welding and in 800 - 1500°F service. It also improves the elevated temperature properties of the alloy. Type 321 provides excellent resistance to oxidation and corrosion and possesses good creep strength. It is used primarily in applications involving continuous and intermittent service temperatures within the carbide precipitation range of 800 - 1500°F.

Applications

Typical applications of 321 stainless steel include:Aircraft exhaust manifolds;Expansion joints;Bellows;Furnace parts;Heating element tubing;Heat Exchangers;Woven or welded screens for high temperature mineral processing;Spiral Welded tube for burner pipes and flues

Type	321 stainless steel pipe/tube
Thinckness	1-30mm
Outer diameter	6-630mm
Length	6m or as customer's requirement
Finish	Polished, Pickled,hairline,mirror
Shap	Round,square, rectangular,oval
Technology	Seamless,weld
Standard	JIS, AISI, ASTM, GB, DIN, EN ,etc.
MOQ	2 Ton
Application	decoration, industry, etc.
Certificate	SGS
Packaging	Standard exporting packing

Specifications of stainless steel decorative pipe
Standard		0.6	0.7	0.8	0.9	1	1.2	1.5	2	2.5	3	3.5	4	4.5
Actual		0.32	0.4	0.5	0.6	0.7	0.9	1.1	1.4	1.9	2.4	2.9	3.4	3.9
Φ	12.3	0.57	0.71	0.88	1.05	1.21	1.53	1.84
Φ	12.7	0.59	0.74	0.91	1.09	1.26	1.91	1.91
Φ	15.3	0.72	0.89	1.11	1.32	1.53	2.33	2.33
Φ	16	0.75	0.93	1.16	1.38	1.6	2.45	2.45	3.06
Φ	17.2	0.81	1	1.25	1.49	1.73	2.19	2.65	3.31
Φ	18	0.85	1.05	1.31	1.56	1.81	2.3	2.78	3.47
Φ	19	0.89	1.11	1.38	1.65	1.91	2.43	2.94	3.68	4.86
Φ	20.2	0.95	1.18	1.47	1.76	2.04	2.6	3.14	3.93	5.2
Φ	22	1.04	1.29	1.61	1.92	2.23	2.84	3.43	4.31	5.71
Φ	25	1.18	1.47	1.83	2.19	2.54	3.24	3.93	4.94	6.56
Φ	28	1.32	1.65	2.06	2.46	2.86	3.65	4.42	5.57	7.41
Φ	29.2	1.38	1.72	2.14	2.57	2.98	3.81	4.62	5.82	7.75
Φ	31.8	1.51	1.88	2.34	2.8	3.25	4.16	5.04	6.36	8.49	10.55	12.53
Φ	35.8	1.7	2.12	2.64	3.16	3.67	4.69	5.7	7.2	9.63	11.98	14.26
Φ	38	1.8	2.25	2.8	3.35	3.9	4.99	6.07	7.66	10.25	12.77	15.22
Φ	42		2.49	3.1	3.71	4.32	5.52	6.72	8.5	11.39	14.21	16.95
Φ	48		2.85	3.55	4.25	4.95	6.34	7.71	9.75	13.09	16.36	19.55
Φ	50.8		3.01	3.76	4.5	5.24	6.71	8.17	10.34	13.89	17.36	20.76	24.09
Φ	60		3.56	4.45	5.33	6.2	7.95	9.68	12.26	16.5	20.66	24.75	28.77
Φ	63			4.67	5.6	6.52	8.35	10.18	12.89	17.35	21.74	26.05	30.29
Φ	70				6.22	7.25	9.29	11.32	14.36	19.34	24.25	29.09	33.85
Φ	76				6.76	7.88	10.1	12.31	15.61	21.04	26.4	31.69	36.9	42.03
Φ	80				7.12	8.3	10.64	12.97	16.45	22.18	27.84	33.42	38.93	44.36
Φ	85				7.57	8.82	11.31	13.79	17.49	23.6	29.63	35.59	41.47	47.28
Φ	88.9				7.92	9.23	11.84	14.43	18.31	24.71	31.03	37.28	43.45	49.55
Φ	101.6				9.06	10.56	13.55	16.52	20.97	28.32	35.59	42.78	49.91	56.96
Φ	108					11.23	14.41	17.58	22.31	30.13	37.88	45.56	53.16	60.69
Φ	114					11.86	15.21	18.56	23.56	31.84	40.04	48.16	56.21	64.18
Φ	127						16.96	20.7	26.28	35.53	44.7	53.8	62.82	71.76
Φ	133						17.77	21.69	27.54	37.23	46.85	56.4	65.87	75.26
Φ	141						18.85	23	29.21	39.51	49.72	59.86	69.93	79.92
Φ	159							25.96	32.98	44.62	56.18	67.67	79.08	90.42
Φ	168								34.86	47.17	59.41	71.57	83.65	95.66
Φ	219								45.54	61.66	77.7	93.68	109.57	125.39
Standard		0.6	0.7	0.8	0.9	1	1.2	1.5	2	2.5	3	3.5	4	4.5
Actual		0.32	0.4	0.5	0.6	0.7	0.9	1.1	1.4	1.9	2.4	2.9	3.4	3.9

Specifications of stainless steel decorative square pipe

Standard				0.6	0.7	0.8	0.9	1	1.2	1.5	2	2.5	3	3.5	4	4.5
Actual				0.32	0.4	0.5	0.6	0.7	0.9	1.1	1.4	1.9	2.4	2.9	3.4	3.9
□	10	×	10	0.59	0.74	0.91	1.09	1.26	1.59	1.91
□	12.7	×	12.7	0.76	0.69	1.17	1.4	1.62	2.06	2.48
□	15	×	15	0.9	1.12	1.39	1.66	1.93	2.45	2.96
□	19	×	19	1.14	1.42	1.77	2.12	2.46	3.13	3.8	4.77	6.33
□	20	×	20	1.2	1.5	1.87	2.23	2.59	3.31	4.01	5.04	6.69
□	22	×	22	1.32	1.65	2.06	2.46	2.86	3.65	4.43	5.57	7.42
□	25	×	25	1.51	1.88	2.34	2.8	3.26	4.16	5.06	6.37	8.5
□	28	×	28	1.69	2.11	2.63	3.14	3.66	4.68	5.68	7.17	9.59	11.93
□	30	×	30	1.81	2.26	2.82	3.37	3.92	5.02	6.1	7.7	10.31	12.84
□	36	×	36		2.72	3.39	4.06	4.72	6.05	7.36	9.3	12.48	15.58
□	38	×	38		2.87	3.58	4.29	4.99	6.39	7.78	9.83	13.2	16.5	19.72	22.86
□	40	×	40			3.77	4.51	5.26	6.73	8.2	10.36	13.92	17.41	20.82	24.16
□	50	×	50				5.66	6.59	8.45	10.29	13.03	17.54	21.98	26.34	30.63
□	60	×	60					7.92	10.16	12.39	15.69	21.16	26.55	31.86	37.1	42.26
□	80	×	80						13.59	16.57	21.02	28.39	35.68	42.9	50.04	57.11
□	100	×	100						17.01	20.76	26.35	35.62	44.82	53.94	62.98	71.95
□	120	×	120							24.95	31.68	42.85	53.95	64.97	75.92	86.8
□	150	×	150							31.23	39.67	53.7	67.65	81.53	95.34	109.1
Standard				0.6	0.7	0.8	0.9	1	1.2	1.5	2	2.5	3	3.5	4	4.5
Actual				0.32	0.4	0.5	0.6	0.7	0.9	1.1	1.4	1.9	2.4	2.9	3.4	3.9
□	20	×	10	0.9	1.12	1.39	1.66	1.93	2.45	2.96
□	25	×	13	1.14	1.42	1.77	2.12	2.46	3.13	3.8
□	30	×	10	1.2	1.5	1.87	2.23	2.59	3.31	4.01
□	30	×	15	1.35	1.69	2.1	2.52	2.92	3.73	4.53	5.7
□	30	×	20	1.51	1.88	2.34	2.8	3.26	4.16	5.06	6.37
□	38	×	25	1.9	2.37	2.96	3.54	4.12	5.28	6.42	8.1	10.85
□	40	×	10			2.34	2.8	3.26	4.16	5.05	6.37	8.5
□	40	×	20			2.82	3.37	3.92	5.02	6.1	7.7	10.31
□	50	×	10			2.82	3.37	3.92	5.02	6.1	7.7	10.31
□	50	×	15			3.06	3.66	4.26	5.45	6.63	8.37	11.21
□	50	×	25			3.53	4.23	4.92	6.3	7.67	9.7	13.02	16.27
□	60	×	10			3.29	3.94	4.59	5.88	7.15	9.03	12.12	15.13
□	60	×	15			3.53	4.23	4.92	6.3	7.67	9.7	13.02	16.27
□	60	×	20			3.77	4.51	5.26	6.73	8.2	10.36	13.92	17.41
□	60	×	30			4.24	5.08	5.92	7.59	9.24	11.7	15.73	19.69	23.58	27.39
□	60	×	40			4.72	5.66	6.92	8.45	10.29	13.03	17.54	21.98	26.34	30.63
□	75	×	45			5.67	6.8	7.92	10.16	12.39	15.69	21.16	26.55	31.86	37.1	42.26
□	80	×	20				5.66	8.92	8.44	10.29	13.03	17.54	21.98	26.34	30.63	34.84
□	80	×	40				6.8	9.92	10.16	12.39	15.69	21.16	26.55	31.86	37.1	42.26
□	80	×	60				7.94	10.92	11.87	14.48	18.36	24.77	31.11	37.38	43.57	49.68
□	95	×	45				7.94	11.92	11.87	14.48	18.36	24.77	31.11	37.38	43.57	49.68
□	100	×	50					12.92	12.73	15.53	19.69	26.58	33.4	40.14	46.8	53.4
□	120	×	40					13.92	13.59	16.57	21.02	28.39	35.68	42.9	50.04	57.11
□	120	×	60					14.92	15.3	18.67	23.69	32.01	40.25	48.42	56.51	64.53
□	150	×	100						21.3	26	33.01	44.66	56.24	67.73	79.16	90.51
□	200	×	100						25.58	31.23	39.67	53.7	67.65	81.53	95.34	109.1

*Standard dimension of stainless steel seamless pipe(OD Thickness /mm)**

630*8	159*6	108*3	60*3.5	45*6	32*5	18*3
530*8	159*5	102*6	60*3	45*5	32*4	18*2.5
480*8	159*4	102*5	57*13	45*4	32*3.5	18*2
426*10	159*3	102*4	57*12	45*3.5	32*3	16*3
426*7/8	140*4.5	89*10	57*10	45*3	32*2.5	16*2.5
426*6	140*4	89*8	57*8	45*2.5	32*2	16*2
377*10	133*12	89*6	57*6	45*2	30*3	14*3
377*7	133*8	89*5	57*5	42*10	28*3	14*2
377*8	133*6	89*4.5	57*4.5	42*7/8	27*5	12*2
377*6	133*5	89*4	57*4	42*6	27*4	12*1
325*8	133*4.5	89*3.5	57*3.5	42*5	27*3	10*2
325*6	133*4	89*3	57*3	42*4	27*2	10*1
273*8	133*3	89*2.5	57*2.5	42*3.5	25*4	8*1
273*6	120*8	89*2	57*2	42*3	25*3	6*1
273*5	120*6	76*8	51*10	38*6	252.56
219*8	120*5	76*6	51*8	38*5	25*2.5
219*6	120*4.5	76*5	51*6	38*4	2526
219*5	120*4	76*4	51*5	38*3	25*2
219*4.5	120*3.5	76*3.5	51*4	38*2.5	22*6
219*4	114*8	76*3	51*3.5	38*2	22*5
194*4.5	114*6	76*2.5	51*3	34*7	22*4
180*5	114*5	76*2	48*10	34*6	22*3
168*8	114*4	60*12	48*8	34*5	22*2
168*6	114*3	60*10	48*6	34*4	21*3
168*5	108*8	60*8	48*5	34*3.5	20*3
168*4	108*6	60*6	48*4	34*3	20*2
166*4.5	108*5	60*5	48*3.5	34*2.5	19*3
162*5	108*4.5	60*4.5	48*3	32*8	19*2.5
159*8	108*4	60*4	45*8	32*6	19*2

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