Product Details

♥COMPANY INFORMATION

we are the manufacturer of seamless steel tube ,and our company mainly produces various specifications precision seamless steel tube ,such as cold drawn /rolled seamless steel tube ,hot rolled seamless steel tube ,hydraulic cylinder steel tube ,SRB steel tube ,honed steel tube and so on ,our company established in 1992 ,so we have more than 20 years experience in the steel tube processing .and welcome to our company to negotiate business and visiting .

♥PRODUCT INFORMATION

Product Item	st52 black painting mild seamless cold drawn steel pipe
Outer Diameter	30mm~250mm
Wall Thickness	2mm~30mm
Material Grade	10#-45#, 16Mn, Q195-Q345, ST35-ST52, STB35-STB42, 20#, 45#, 16Mn, Q345, ST35, St45, St52, St52.4, STB42, 16Mn,St52,10#-45#,ST35-ST52
Standard	ASTM, DIN, ASTM A1020-2002, DIN 2391
Application	Hydraulic Pipe, Hydraulic cylinder, automobile, oil drilling, textile machinery
Certificate	ISO9001:2008
Process Method	Cold Drawn/ Cold Rolled
Surface Finish	Annealed, Pickled
Package	According to the customer’s requirement
Delivery Time	10days more or according to the customer’s requirement
Price Item	FOB CIF EXW
Payment	T/T(30% in advance, 70% against the BL Copy) and L/C at sight or as negotiation
ID tolerance	H8,H9b H10 or as customized
Surface roughness	Ra0.2~0.8µm
Finally supply condition	BK BKS BKW NBK GBK

♥ABOUT THE DIMENSUION

OD x WT	OD x WT	OD x WT	OD x WT
4*0.5	16*0.5	26*1.8	35*9.0
4*0.8	16*0.8	26*2.0	35*10
4*1.0	16*1.0	26*2.2	38*0.5
4*1.2	16*1.2	26*2.5	38*0.8
5*0.5	16*1.5	26*2.8	38*1.0
5*0.8	16*1.8	26*3.0	38*1.2
48*5.0	70*2.8	90*10	130*14
48*5.5	70*3.0	90*12	130*16
48*6.0	70*3.5	90*14	130*18
48*7.0	70*4.0	90*16	140*2.5
48*8.0	70*4.5	95*2.0	140*2.8
48*9.0	70*5.0	95*2.2	140*3.0

♥TOLERANCE OF DIMENSION

ID size	ID deviation(mm)					Wall thickness deviation
	H7	H8	H9	H10	H11	Wall thickness deviation
30	+0.021 0	+0.038 0	+0.052 0	+0.084 0	+0.130 0	±5%,±10%
>30-50	+0.025 0	+0.039 0	+0.062 0	+0.100 0	+0.160 0
>50-80	+0.030 0	+0.046 0	+0.074 0	+0.120 0	+0.190 0
>80-120	+0.035 0	+0.054 0	+0.087 0	+0.140 0	+0.220 0
>120-180	+0.040 0	+0.063 0	+0.100 0	+0.160 0	+0.250 0
>180-250	+0.046 0	+0.072 0	+0.115 0	+0.185 0	+0.290 0
>250-315	+0.052 0	+0.081 0	+0.130 0	+0.210 0	+0.320 0
>315-400	+0.057 0	+0.089 0	+0.140 0	+0.230 0	+0.360 0

♥ABOUT PACKAGING AND SHIPPING

packaging details: standard packing with plastic caps and starpped bundles,standard wheight approx 1500Kg

delivery details: 15 days after receiving downpayment or L/C or as your request

♥OUR SERVICES

1. Cargo track service during transporting and feedback service after cargo is loaded on board

2. Flexible terms of payment by

3. Big discount for repeat customers

4. Smooth delivering procedure

5. Payment Terms: T/T , L/C And so on.

♥OUR TESTING

1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material

2.100% Dimension & Visual Examination

3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test

4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test (ET or UT)

5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor)

6.Straightness Test (optional)

7.Roughness Test (optional)

8.Intergranular Corrosion Test(optional)

9.Impact Test (optional)

10.Grain Size Determinations (optional)

NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION.

♥OUR processing

♥FAQ

WHY YOU CHOOSE US ?

1. Free sample can be provided