Hongqi steel pipe is one professional manufacturer specializing in steel pipe and pipe fittings.

Type

precision tube/precision steel pipe/precision seamless steel pipe/cold rolled precision seamless steel pipe

Brand:

Hongqi steel pipe (by ourselves)

Size

OD:15-180mm

Wall thickness

0.7-25.4mm,the accuracy could reach 0.05mm

Standard

ASTM A106 Gr.B

ASTM A53 Gr.B

API 5L X42 X52 X60

API 5CT J55 K55 N80 L80

ASTM A335 Gr.P22/ Gr.P5/ Gr.P2

DIN EN1626 ST33/ST37/ST42/ST45

DIN EN1629 ST35.4/ST35.8/ST37/ST44/ST52

DIN EN17175 ST35.4/ST35.8/ST37/ST45

DIN EN2448 ST33.2/ST37.2/ST42/ST52.4

DIN EN10025 ST37/ST44/ST52

DIN EN17100 ST37/ST44/ST52

DIN EN2391 ST37.4

DIN EN10305 ST37.4

And other ASTM,DIN,API,GB,ANSI,ASME,SH,HG,MSS,JIS standard

Material

Gr.A/Gr.B/ST37/ST52/X42/X52/X60/X65/X70/Q235/Q345/10#/20#/45#/12CrMo/15CrMo/15CrMo/SS304/SS321

J55 K55 N80 L80 A25, A25P, Gr.A,Gr. B, H40, M65, C90, C95, T95, P110,Q125

And other material as per customers require

Process method

cold drawn /cold pilgered/hot rolled/hot expand

Length

5m-12m , fixed length or as per customers require

Packaging

Painting,Caps,Bevel (beveled edges), Bundles or as per customers requirement

Applications range

Widely used in kinds of gas springs, shock absorbers, cylinders, body-building instruments, automotive industry, and in the occasion wherehigh accuracy, roughness and cleanness of the tube are required

Min Order Quantity

5 tons

Delivery Time

According to customer's requirement(the earliest time is 10 days)

Quality

First grade

Productivity

100000T/Y

Others

1.Special design available according to requirement

2.anti-corrosion and high-temperature resistant with black painting

3.All the production process are made under the ISO9001:2000 strictly.