best price supplier of sonic testing tube promotion!!

Specifications sonic testing tube

1.Width:50-2500mm

2.Thickness:0.3-200mm

3.Length:2m,5.8m,6m,or as

best price supplier of sonic testing tube promotion!!     Product Description   Hot Dipped Galvanized Pipe
Hot dipped galvanized pipe made by black pipes dipped into zinc pool for galvanized. Zinc coating :275 – 600g /m2 Steel Grade: Q195-Q345, S235JR, S275JR, S355JR, S355J2H, STK400/500.  Standard: BS1387-1985 , DIN EN10025 ,EN10219, JIS G3444:2004, GB/T3091-2001 ,ASTM A53: GR. A , GR. B, GR. C , GR. D, SCH40/80/STD .    Surface: hot dipped galvanized ,Pre-galvanized , electro galvanized ,painted, threaded ,beveled ,grooved , engraved .
  Packing: Two tags on each bundle, Wrapped in waterproof paper, with several steel strips,  

Standard	ASTM A554, A249, A269 and A270, A312
Material Grade	201 ( Ni 0.8%), 202 (Ni 3.5%~4.5%), 301(Ni 5%) 304 (Ni 8%, Cr 18%), 316 (Ni 10%, Cr 18%), 316L (Ni10%~14%), 430
Width	1-2500mm
Thickness	0.3-200mm
Length	2m,5.8m,6m,or as required
Tolerance	a) Width:  +/- 0.2mm
	b) Thickness: +/- 0.02mm
	c) Length: +/- 5mm
Surface	180G, 320G, 400G Satin / Hairline 400G, 500G, 600G or 800G Mirror finish
Application	Decoration construction, upholstery, industry instrument
Test	Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
Chemical Composition of Material	Material   Composition	201	202	304	316	430
	C	≤0.15	≤0.15	≤0.08	≤0.08	≤0.12
	Si	≤1.00	≤1.00	≤1.00	≤1.00	≤1.00
	Mn	5.5-7.5	7.5-10	≤2.00	≤2.00	≤1.00
	P	≤0.06	≤0.06	≤0.045	≤0.045	≤0.040
	S	≤0.03	≤0.03	≤0.030	≤0.030	≤0.030
	Cr	16-18	17-19	18-20	16-18	16-18
	N	3.5-5.5	4-6	8-10.5	10-14
	Mo				2.0-3.0
Mechanical Property	Material Item		201	202	304	316
	Tensile Strength		≥535	≥520	≥520	≥520
	Yield Strength		≥245	≥205	≥205	≥205
	Extension		≥30%	≥30%	≥35%	≥35%
	Hardness (HV)		<253	<253	<200	<200

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