ASTM	Chemicl Composition(%)
	C	Si	Mn	P	S	Cr	Ni	Mo	Others
201(1% Ni)	≤0.150	≤1.00	8.5-10.0	≤0.060	≤0.030	14.00-16.00	0.8-1.5		N≤0.25
202	≤0.150	≤1.00	7.5-10.0	≤0.060	≤0.030	17.00-19.00	4.00-6.00		N≤0.25
301	≤0.150	≤1.00	≤2.00	≤0.065	≤0.030	16.00-18.00	6.00-8.00
304	≤0.080	≤1.00	≤2.00	≤0.045	≤0.030	18.00-20.00	8.00-10.50
304L	≤0.030	≤1.00	≤2.00	≤0.045	≤0.030	18.00-20.00	8.00-12.00
316	≤0.08	≤1.00	≤2.00	≤0.045	≤0.030	16.00-18.00	8.00-12.00	2.00-3.00
316L	≤0.030	≤1.00	≤2.00	≤0.045	≤0.030	16.00-18.00	10.00-14.00	2.00-3.00
430	≤0.120	≤1.00	≤1.00	≤0.040	≤0.030	16.00-18.00

ASTM	Tensile Strength	Yield Strength	Elongation	Hardness
	MPa	MPa	%	HRB
201(1%Nil)	≥655	≥310	≥40	≤100
202	≥620	≥260	≥40	≤100
304	≥515	≥205	≥40	≤92
304L	≥482	≥170	≥40	≤88
316	≥515	≥205	≥40	≤95
316L	≥485	≥170	≥40	≤95
430	≥450	≥205	≥22	≤80

Item	Round Tube		Square & Rectangular Tube
	Finish	Description	Finish	Description
Surface Finish	Mill Finish	As welded	Mill Finish	As welded
	180#	Buffed after Polishing by 180#	180#	Buffed after polishing by 180#
	400#	Buffed after Polishing by 400#	400#	Buffed after polishing by 400#
	600#	Buffed after Polishing by 600#(mirror)	600#	Buffed after Polishing by 600#(mirror)
	180# Hairline	Hairline finished after polishing 180#	180# Hairline	Hairline finished polishing by 180#
	400# Hairline	Hairline finished after polishing 400#	400# Hairline	Hairline finished polishing by 400#
	Golden Coating

GB		ASTM		JIS
Type 牌号	Solution annealing	Type	Solution annealing	Type	Solution annealing
0Cr19 N19	1010-1150 Water quenching	TP304	1040-1150 Water quenching	SUS304	1010-1150 Water quenching
00Cr19 Ni11		TP304L		SUS304L
0cr17 Ni12Mo2		TP316		SUS316
00Cr17 Ni14mo2		TP316L		SUS316L