Home > Steel Pipes >

GB/T9808 ZT380 High Strength Steel Tubing Precision Good OD ID Tolerance

Categories	Precision Seamless Steel Tube
Brand Name:	New Era
Model Number:	GB/T9808
Certification:	ISO9001 ISO14001
Place of Origin:	China
MOQ:	5tons
Price:	Negotiation
Payment Terms:	T/T
Supply Ability:	3000 tons/month
Delivery Time:	45 days
Packaging Details:	Bundles Package, Wooden Box Package
Keyword:	Seamless Steel Tubes
Shape:	Round
OD Size:	30-340mm
WT Size:	2-30mm
Steel Material:	30CrMo ZT380
Usage:	Oil Pipe
Surface:	Oiled

Contact Now

Add to Cart

Company Info.

NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD

Verified Supplier

View Contact Details

Product List

Haven't found right suppliers
Our buyer assistants can help you find the most suitable, 100% reliable suppliers from China.
And this service is free of charge.
we have buyer assistants who speak English, French, Spanish......and we are ready to help you anytime!

Submit Buying Request

Product Details
Company Profile

GB/T9808 ZT380 High Strength Steel Tubing Precision Good OD ID Tolerance

GB/T9808 ZT380 Good OD and ID tolerance Seamless Steel Tubes

Size:

OD:33-340mm WT:2-28mm L:4000mm-12500mm

Steel Grade:

ZT380,ZT490,ZT520,ZT540,ZT590,ZT640,ZT740

The Production method:

Hot rolling(extrusion) or cold drawing(rolling) seamless method.

Delivery State:

Hot rolling(extrusion)steel tubes should be delivered with hot rolling condition or hot finished.Cold drawn(rolling) steel tubes should be delivered with hot finished.

Surface quality

There is no visual visible cracks,rolling, folding,scarring and abscission layer in the internal and external surfaces of the steel pipe.

Test:

Tensile tast

Ultrasonic inspection

Eddy current inspection

Magnetic flux leakage inspection

Tolerance of Outer Diameter and Wall Thickness

Standard	Production Method	Tube Size		Tolerance
GB/T 9808-2008	Hot rolled	OD		(+1.0%D) or +0.65 (-0.5%D) -0.35
		WT	≤10	(+15%S)or +0.45 (-10%S) -0.35
		WT	>10	(+12.5%S, -10%S)
	Cold Drawn(rolled)	OD		±0.50%D or ±0.20
	Cold Drawn(rolled)	WT		±8%S or ±0.15
Q(N)/ T118-2010	Cold Drawn	OD	OD	±0.40%D or ±0.20
Q(N)/ T118-2010	Cold Drawn	WT	WT	±7%S or ±0.15

Product Tags:

cold drawn seamless steel tube

thick wall steel tube

GB/T9808 ZT380 High Strength Steel Tubing Precision Good OD ID Tolerance

Send your message to this supplier


*From:	Your email address is incorrect!
*To:	NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD
*Subject:	Subject is empty!
*Message:	For the best results, we recommend including the following details: -Self introduction -Required specifications -Inquire about price/MOQ Characters Remaining: (0/3000) Please enter 20 to 3000 characters to contact this supplier!