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Round Anti Rust Seamless Steel Pipes For Precision Applications GB/T 3639

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Round Anti Rust Seamless Steel Pipes For Precision Applications GB/T 3639

Name: Round Anti Rust Seamless Steel Pipes For Precision Applications GBT 3639
Brand: TORICH
Price: 1 USD

Round Anti Rust Seamless Steel Pipes For Precision Applications GB/T 3639 Manufactures

Brand Name : TORICH

Model Number : GB/T 3639

Certification : ISO 9001 ISO 14001 TS 16949

Place of Origin : Zhejiang China

MOQ : 5 Ton

Price : negotiable

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 50000 Ton/Year

Delivery Time : 30 days

Packaging Details : Packing in wooden box，hexagonal bundles or other seaworthy ways.

Product Name : Seamless Steel Tubes for Precision Applications GB/T 3639

Material : 10# 20# 35# 45# Q345B Equivalent to grade SAE 1010 1020 st35.4 st 37 st35.8

Surface : With anti rust oil protection

Application : For precision applications

Shape : Round

OD : 4-1200mm

WT : 0.3-200mm

Length : 1-12.5m

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Seamless Steel Tubes for Precision Applications GB/T 3639

Spec:
Material:10# 20# 35# 45# Q345B Equivalent to grade SAE 1010 1020 st35.4 st 37 st35.8 c22 c35 c45 etc.
Size Range:
OD:3-420mm
WT:0.5-50mm
General Length:Length is 2000-12000mm Fixed length and multiple length is available.

Mechanical properties
Steel grade 10# 20# 35# 45# Q345B

Steel grade	deliver conditions
	+C		+LC		+SR			+A		+N
	Rm/Mpa	A/%	Rm/Mpa	A/%	Rm/Mpa	ReH/Mpa	A/%	Rm/Mpa	A/%	Rm/Mpa	ReH/Mpa	A/%
	No less than
10	430	8	380	10	400	300	16	335	24	320-450	215	27
20	550	5	520	8	520	375	12	390	21	440-570	255	21
35	590	5	550	7				510	17	≥460	280	21
45	645	4	630	6				590	14	≥540	340	18
Q345B	640	4	580	7	580	450	10	450	22	490-630	355	22

Tolerance:

The permissible tolerances of the internal and external diameter unit:mm

Wall thickness(S)/extrernal diameter	Permissible tolerance
S/D≥1/20	According to the specified value of the table 1
1/40≤S/D<1/80	According to 1.5 times of specified value of the table 1
S/D<1/40	According to double of specified value of the table 1

Producing Method:cold-drawn or cold-rolled
Technical Delivery Conditions:

Cold working/Hard condition:+C
No heat treatment after the final cold working process.
Cold working/Soft condition:+LC
After the final treatment there is a suitable cold working process
Stress relieving annealed conditio:+SR
After the final cold working process there is a stress relief heat treatment in a controlled atmosphere
Annealed condition:+A
After the final cold working process the tubes are fully annealed in a controlled atomosphere.
Normalised condition:+N
After the final cold working operation the tubes are normalized in a controlled atomosphere.
Widely used in the field of:Hydraulic System, Auto Parts,Jack Lifting,Precision Machinery etc.

Product Images:

Product Tags:

seamless steel pipe

precision stainless steel tubing

Round Anti Rust Seamless Steel Pipes For Precision Applications GB/T 3639 Images

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