904L Stainless steel rectangular tube

Grade 904L is a non-stabilised low carbon high alloy austenitic stainless steel. The addition of copper to this grade gives it greatly improved resistance to strong reducing acids,particularly sulphuric acid. It is also highly resistant to chloride attack - both pitting / crevice corrosion and stress corrosion cracking.This grade is non magnetic in all conditions and has excellent weldability and formability.The austenitic structure also gives this grade excellent toughness, even down to cryogenic temperatures.

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Product Specification

Name	Stainless Steel Rectangular Tube
Thickness	0.5-75mm
Outer diameter	10x20mm to 120x180mm
Length	1-6m or according to customer's request
Standard	ASTM JIS AISI GB DIN EN
Surface Finished	BA, 2B,NO.1, NO.4, 4K, HL ,8K
Certification	ISO, SGS, BV
Technique	Hot rolled or cold drawing
Edge	Mill Edge /Slit Edge
Quality	SGS Inspection
Main market	Asia/Europe/ South America
Delivery time	Within 7-10 Working Days
Payment Terms	T/T L/C and Western Union etc.

Product Detail Picture

Finish	Description	Thickness (mm)	Width (mm)
2B	Smooth finish, reflective grey sheen.Most widely used surface finish.	0.55	914 & 1219
Bright Annealed (BA)	Cold rolled, annealed in a controlled atmosphere to retain a highly reflective finish.	0.70	914 & 1219
Dull Polish (DP)	Selected for ease of cleaning, brushed look, non-reflective, used extensively in the catering industry, also push plates and kickplates.	0.90	750, 914 & 1219
Hot Rolled (HR)	Scaled finish, ideal if surface finish is not a key concern.	1.20	750, 914, 1050, 1219 & 1500
No.1	Finished by hot-rolling,annealing and pickling, characterized by white pickled surface	1.50	914, 1219 & 1500
HL	finished by continuous liner polishing	1.60	914, 1219 & 1500
No.4	polishing with No.150 to No.180 mesh	2.00	914, 1219 & 1500
No.8	a mirror-like reflective surface by polishing	2.50	914, 1219 & 1500

Chemical Composition

Grade	W.nr	DIN	C	Cr	Ni	Mo	N	Mn	Other
201/201L	-	-	0.15	16.0-18.0	3.50/5.50	-	0.25	5.5-7.5	0.25N
301	1.4310	X12CrNi177	0.15	16.0-18.0	6.00/8.00	-	0.1	2	-
303	1.4305	X12CrNi188	0.15	17.0-19.0	8.00/10.00	0.60*	0.1	2	-
304	1.4350	X5CrNi189	0.08	18.0-20.0	8.00/10.50	-	0.1	2	-
304L	1.4306	X2CrNi1911	0.03	18.0 - 20.0	8.0-12.0	-	0.1	2	-
321	1.4541	X10CrNiTi189	0.08	17.0-19.0	9.0-12.0	-	0.1	2	Ti 5x(C+N)
316	1.4435	X2CrNiMo1812	0.08	16.0-18.0	10.0-14.0	2.0-3.0	0.1	2	-
316L	1.4436	X2CrNiMo1812	0.03	16.0-18.0	10.0-14.0	2.00-3.00	0.1	2	-
309	1.4828	X15CrNiSi2012	0.08	22.0-24.0	12.0-15.0	-	-	2	-
310S	1.4845	X12CrNi2521	0.08	24.0-26.0	19.0-22.0	-	-	2	-
904L	1.4539	X2NiCrMoCu25205	0.02	19.0-23.0	23.0-28.0	4.00-5.00	0.1	2	-
409	1.4512	X6CrTi12	0.03	10.5-11.7	0.5	-	0.03	-	Ti 6x(C+N) to .50
430	1.4016	X8Cr17	0.12	16.0-18.0	0.75	-	-	1	-
439	1.4510	X3CrTi17	0.03	17.0-19.0	0.5	-	0.03	1	Ti [0.20+4(C+N)] to 1.10Al .15 max.
2205	1.4462	X2CrNiMoN2253	0.03	22.0-23.0	4.5-6.5	3.0-3.5	0.14-0.20	2	-
2507	1.4410	X2CrNiMoN2574	0.03	24.0-26.0	6.0-8.0	3.0-5.0	0.24-0.32	1.2	-
s32760	1.4501	X2CrNiMoCuWN	0.03	24.0-26.0	6.0-8.0	3.0-4.0	0.20-0.30	1	W 0.50-1.00
1.4529	-	X1NiCrMoCuN	0.02	20	25	6.5	0.15	-	Cu 1.0
1.4362	-	X2CrNiN23-4	0.02	23	4.8	0.3	-	-	-
254SMO	1.45475	42CrMo4	0.01	20	18	6.1	0.02	-	-