• Model NO.：NA
• Standard2：DIN 2391, DIN En 10305, GB,T3639
• Grade Group：10#-45#, 16mn, API J55-API P110, St35-St52, Q195-Q
• Technique：Cold Drawn
• Thickness：4 - 50mm
• Outer Diameter：40 - 480 mm
• Transport Package：Export Fumigating Wooden Cases and Strong Pallet
• Trademark：GLIT or OEM
• Origin：China
• HS Code：7304319000
• Production Capacity：10000tons,Year

Basic Info.

Model NO. NA Standard2 DIN 2391, DIN En 10305, GB/T3639 Grade Group 10#-45#, 16mn, API J55-API P110, St35-St52, Q195-Q Technique Cold Drawn Thickness 4 - 50mm Outer Diameter 40 - 480 mm Transport Package Export Fumigating Wooden Cases and Strong Pallet Trademark GLIT or OEM Origin China HS Code 7304319000 Production Capacity 10000tons/Year

Product Description

Building material welded square steel pipe galvanized/welded tube square

Product Description


Specifications

Main products: honing pipe quilting pipe hydraulic cylinder piston rod optical shaft material 20 # 45 # 304 stainless steel arbitrary cutting retail wholesale
 

Product Name	Building material welded square steel pipe galvanized/welded tube square
Material	Q355B Q355D C20,ST52,E355 SAE1026.CK45 4130  4140 STKM 13C
Heat treatment	BK+S
Standard	DIN2391, EN10305,  ASTM A519, GB/T 3639-200
Specification	Outer diameter(mm)                            40-480mm           Inner diameter(mm)                             30-400mm
I.D Tolerance	H8-H9
Length	Fixed Length, Random Length(3--9m)or as requests of customers
Straightness	0.5-1/1000
ID roughness	RA 0.1-0.8micron(max)
Technology	Honed & SRB(SKIVED AND ROLLER BURNISHED )
Scope	Honed tube for hydraulic cylinder, swivel crane, injection machine and  construction machine application

Our Factory:


Packing & Delivery:

FAQ:

1: Are you trading company or manufacturer ?

A:We are factory.
 

2:What's the qualify assurance we provided and how do we control quality?

1. Established a procedure to check products at all stages of the manufacturing process from raw materials to final products. Beside, we have also developed a procedure which identifies the inspection and test status of all items at all stages of the manufacturing process.
2. 100% inspection in assembly lines. All controls, inspections,equipment,fixtures,total production resources and skills are inspected to ensure they consistently achieve the required quality levels.

3:How do you transport the Machines?

We transport the machines wrapped with plastics for container order ,or packed with wooden box or steel plate.or may polish with wax before shipping.For spare parts small one can be delivery by door to door transportation.like:DHL,TNT,FEDEX,UPS  Our company has long -term cooperation with ship agency which can provide you lowest shipping fee.

4:Can you satisfy my special requirement?

Yes, We can make customized design to utmost meet your special requirements.

5:How about the after sales service?

We have 24 hrs online service , we have professional technician can help for online remote guidance .