GB/T 6479 Seamless Steel Tubes for High-Pressure Chemical Fertilizer Equipments

• Customization: Available
• After-sales Service: 24h Onilne Service
• Type: Seamless
• Model NO.: GB/T 6479
• Material: Stainless Steel
• Surface Treatment: Polished
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Special Purpose
• Section Shape: Round
• Products: Seamless Carbon Steel Boiler Tube
• Standard Specifications: GB/T 5310 ASME SA106 ASME SA192 ASTM A556
• Steel Grades: T11, P11, T12, P12, 13crmo4-5, Stpa23, Stpa22
• Main Process: Hot-Rolled Seamless
• Annual Capacity: 120000 Metric Tons
• Ends: Plain Ends
• Surface: Pickled, Bright Annealed, Polished
• Unit Leagth: 4800mm-12000mm
• Wt: 1mm-30mm
• Od: 14mm-1200mm
• Delivery: 7-35 Days
• Packgae: Packed by Bundles, Plastic Bags, Wooden Case,etc
• Application1: Electronics, Industrial, Food, Boiler
• Application2: Pipeline Transport, Boiler Pipe, Hydraulic/Automob
• Application3: Heat Exchanger, Condenser, Feedwater Heater
• Transport Package: by Bundles, Plastic Bags, Wooden Case, etc.
• Specification: 2.0mm-120mm
• Trademark: EZS
• Origin: China
• HS Code: 73043110
• Production Capacity: 500000/Year

Product Description

GB/T 6479 Seamless Steel Tubes for High-pressure Chemical Fertilizer Equipments

 

 

Item	Stainless Boiler Tube
Type	Seamless
Standard	ASME SA106, SA192, DIN17175,DIN1629/DIN2448,ASTM A179,ASME SA179,ASTM A192,ASME SA192,ASTM A210,ASME SA210,ASTM A335 BS3059,BS3059 PART II GR.360,440,GR.620-460,GR.622-490,629-470
Grade	B,X42,X46,X52,X56,X60.ASME SA179,ASME SA192,ASME SA210 A1 C ASME SA335-P5,P9,P11,P12,P15,P21,P22,P23,P91,P92. ASME SA213-T2,T5,T9,T11,T12,T17,T21,T22,T23,T24,T36,T91,T92 DIN17175,ST35.8,ST45.8,17MN4,19MN5,15MO3,13CRMO44,10CRMO910,14MOV63 EN10216-1,.P195TR1,P195TR2,P235TR1,P235TR2,P265TR1,P265TR2. EN10216-2,P195GH,P235GH,P265GH,16MO3,25CRMO4 (TC1,TC2) GBT5310,20G.20MNG,25MNG,15MOG,20MOG,12CRMOG,15CRMOG, 12CR2MOG,12CR1MOVG,
OD	14-1200mm
WT	2.0-120mm
Length	1-12.9m random length,or Fixed length( 5.8m,5.85m,6m.11.8m.12m)
Min.Order quantity	We can accept 1 pcs/size if we have stock.
Surface	Clear oil varnish.or self color
Ends	Plain ends,Bevels.
Payment term:	TT or LC
Package	Bundles or loose
Delivery time	Depends on the specific orders,normally 45days

 

Chemistry Composition

C, %	Si, %	Mn, %	P, %	S, %	Cr, %	Ni, %	Cu, %	Mo, %
0.08-0.15	0.17-0.37	0.40-0.70	0.025 max	0.015 max	0.40-0.70	0.30 max	0.20 max	0.40-0.55

Mechanical Properties

Tensile Strength , MPa	Yield Strength, MPa	Elongation, %	Impact (KV2)/J at 20ºC
410-560	205 min	21 min	40 (OD≥76mm & WT≥6.5mm)

Outside Diameter & Tolerance

Hot Rolled	Outside Diameter, mm	Tolerance
	OD≤159	+1% or +0.50mm
	OD>159
Cold Drawn	Outside Diameter, mm	Tolerance
		Ordinary	Advanced
	OD≤30	±0.20mm	±0.15mm
	30	±0.30mm	±0.25mm
	OD>50	±0.50%	±0.50%

Wall thickness & Tolerance

Hot Rolled	Outside Diameter, mm	Tolerance
	OD≤159	+12.5%/-10% or +0.50mm/-0.40mm
	OD>159, WT/OD≤0.05	+15%/-10%
	OD>159, 0.05	+12.5%/-10%
	OD>159, WT/OD>0.10	±10%
Cold Drawn	Wall Thickness, mm	Tolerance
		Ordinary	Advanced
	WT≤2.0	+12.5%/-10%	±10%
	WT>2.0	±10%	±7.5%

Material Grade	Standard	Outer Diameter		Thickness		Length	Heat Treatment	Manufacturing Shapes
		Seamless Pipe	Welded Pipe	Seamless Pipe	Welded Pipe			Seamless Pipe	Welded Pipe
TP321 TP321H	ASTM A312 / ASME SA312, GB/T 13296,GB/T 14975,GB/T 14976 JIS, DIN, EN, AISI	4mm-914.4mm	single slit(Φ8mm-Φ630mm); girth(Φ630mm-Φ3000mm),	0.6mm - 60mm	single slit(0.5mm-25mm);girth(3mm-45mm)	1.0-12 m or as customers' request	Normalized, Normalized & Tempered	Hydraulic, Round, Square, Hex, Honed	Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends)

 

FAQ


Q:  How many days can you deliver after confirmed the order?
A:  For stock:  within 5-7 days;
      For customized product:  around 30 days;
      For special sizes:  subject to negotiation.

Q: How does your company do quality control?
A: ISO 9001:2015 certified;
     Product certificate as per EN10204 3.1 or 3.2 as per customer's request.
    
  
Q: Can I have a factory-visit?
A:  Surely. All customers are welcome to visit us in China.

Q: Can I have a trial order?
A: Of course, it is an honor for us to have the opportunity to show our quality and service. 
 

Company Profile

	Business Type:	Manufacturer/Factory
	Main Products:	Carbon Steel Pipe , Stainless Steel Pipe , Copper Nickel Tube , Heat Exchanger Tube , Boiler ...
	Registered Capital:	2000000 RMB
	Plant Area:	>2000 square meters
	Management System Certification:	ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, ANSI/ESD
	Average Lead Time:	Peak Season Lead Time: 1-3 months Off Season Lead Time: within 15 workdays

SGS Serial NO. :

QIP-ASI199413Report Verification

EZ STEEL INDUSTRIAL Co., Ltd, together with LONG-RUN METALS Co., Ltd, is the export division and window company of EZ STEEL GROUP, which was founded in 1996 and has been committed to the development and manufacturing of industrial tubes in the past 20 years. It is one of the largest steel tube manufacturing enterprise groups in China. The group possess fixed assets over 200million and more than 800 employees with annual production capacity over 300 thousand tons.

The company has continuously introduced the world advanced manufacturing equipment and now is able to produce welded and seamless steel tube, copper tube and nickle alloy tube. We also have our own coating facilities and workshops for further processing. After years of development, EZ STEEL GROUP and the affiliated enterprises have obtained many kinds of domestic and international certifications including ISO 9001 Quality Management System Certification, ISO14000 Environment Management System Certification, CE, License for Manufacture of Pressure Piping in China, etc. The company has obtained good domestic achievements and is the nominated supplier of CNPC and CNOOC. The product are exported to Southeast Asia, the Middle East and Africa, Europe, Australia, North and Latin Americas via trade companies, and are widely used in pipeline works, foundation works, steel structure works, boiler and condenser fabrication, oil refinery plant, power plant, sugar-making plant, ship-building and offshore construction projects etc.

Holding the concept of First-class Brand, First-class Service, First-class Value, EZ STEEL GROUP is aiming to build up a win-win enterprise platform for both our customers and employees.

CONTACT US
Contact Rosy Xu
EZ STEEL INDUSTRIAL CO., LTD
Add: No.66,  Zhongyi Road, Yuhua Industrial Zone, Changsha City , P.R China 

Pls. do not hesitate to contact me if you have any questions!

You are warm welcomed to visit our factory!!!

Thank you for visiting our products & Looking forward to hearing from you!