Black Annealing Iron TP321 ASTM A249 Welded Steel Tubes

Price Negotiable

Price: 800 - 9000 USD / ton

MOQ: 5T

Delivery Time: 60-75days

Brand: HDT

Product Description

Annealed Welded Steel Tubes Oiled Painted Black Anneal Round Tube Black

Production Information

Commodity	Annealed white stainless 304 steel pipe high quality for selling
Grade	Austenitic: 304/L/H/N, 316/L/H/N/Ti, 321/H, 309/H, 310S, 347/H, 317/L, 904L Duplex steel: S31803,S32205,S32750,S32760
Standard	ASTM A213, A312, ASTM A269,ASTM A778, ASTM A789, DIN 17456,DIN 17457,DIN 17459, JIS G3459, JIS G3463, GOS T9941,EN 10216, BS3605, GB13296,etc.
Technique	Hot Rolled
Type	Seamless pipe
OD	3.0mm - 2500mm (1/8" - 100")
Thickness	1.0-150mm (SCH10S-XXS)
Length	5.8m,6m,11.8m,12m, 4-7m or as required
Packing	In bundles, Nylon bags, wooden cases or as required
Delivery Time	Ready stocks 3-7 days, customized 7-10 days for customized size
MOQ	1 Ton
Export To	Singapore, Canada, Indonesia, Korea, USA, UK, Thailand,Saudi Arabia, Vietnam,India, Peru, Ukraine ,Brazil,South Africa, etc.

Application

a) For fluid & gas transport

b) Structure & machining etc

Advantages

a) Advanced technology of cold draw machine

b) Advanced annealing machine

c) Better mechanical property

d) More precise dimension

e) Perfect inspection method and inspection equipment etc

Size Range:

Production	Outside Diameter	Wall Thickness
Boiler Pipe	6.00mm to 630mm	0.5mm to 52mm

Final Finishing

Solution Annealed & Pickled / Bright Annealed.

Some of the quality tests carried out by us includes:

Corrosion Test	Conducted only when specially requested by the client
Chemical Analysis	Test done as per required quality standards
Destructive / Mechanical Testing	Tensile \| Hardness \| Flattening \| Flare \| Flange
Reverse-bend and Re. flat tests	Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end
Eddy Current Testing	Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System
Hydrostatic Testing	100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s .
Air Under Pressure Test	To check any evidence of air leakage
Visual Inspection	After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections