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Founded in 1993, Hangzhou Heavy Steel Pipe Co., Ltd is an integrated company integrating R&D, production, operation, trade and service. The company has its own brand WUFU and specializes in manufacturing of steel pipes for structures, electric power transmission project, pipeline of fluid use like water, oil and gas, piling, mechanical industry and municipal project. It has close relationships with many large steel corporations. So it supplies complete steel products according to customers’ requirements.

The products it mainly supplies are:

Longitudinally welded steel pipes

ERW:

Size range: O.D from 21.3mm to 508mm, W.T from 2.3mm to 16mm

LSAW:

Size range: O.D from 351mm to 1500mm, W.T from 8.0mm to 40mm

Standard:

ASTM A53, ASTM A106, API 5L, EN10204, DIN1626

Steel Grade: ST37, ST52, S235, S275, S355, GR A, GR B, X52, X60.,ect.

Steel Hollow Sections (hot & cold formed)

Square:

Size Range: from 16*16mm to 400*400mm, W.T from 0.6mm to 16mm

Rectangular:

Size Range: from 20*10mm to 500*300mm, W.T from 0.6mm to 16mm

Standard:

EN10210, EN10219, ASTM A500

Steel Grade: S235, S275, S355.,ect

Seamless steel pipes

Size range: O.D from 21.3mm to 610mm, W.T from 2.3mm to 50mm

Standard: EN10210, EN10216, EN10297, ASTM A53, ASTM A106, API 5L, DIN1629, DIN2440

Steel Grade: E235, E275, E355, E470 ST37, ST44, ST52, S355J2H.,ect

Hot dipped galvanized steel pipes

Size range: O.D from 21.3mm to 219mm, W.T from 2.3mm to 6mm

Standard: ASTM A53, ASTM A106, BS1387-1985, DIN2440/2444, EN10255

Steel Grade: ST37, ST52, S235, S275, S355, GR A.,ect

Hot rolled steel H beams

Size range: HW100-400, HM150-600, HN150-900, HE100-500, IPE140-500, HP305

Standard:

JIS G3101, JIS G3106, JIS G3136, JIS G3192, KS D3503, KS D3502, EN10034, EN10025, ASTM 572A, ASTM A6, ASTM A36

Steel Grade:

SS400, SS490, SM490, SN490, S235J0, S235J2,S235JR, S275JR, S275J0, S275J2, S355J0, S355J2, S355JR, S355J2+N, GR50, GR55, GR60, GR65, A36, A43, D36, DH36

Steel round bars (hot rolled & forged)

Size range: from 16mm to 260mm & 300mm to 800mm

Steel Grade: Q215, Q235, Q345, C45N, S355J2G3, 39NICRMO3, 42CRMO4, 18NICRMO5

Surface: rough machine turned

Length: Minimum 3 meters

Tests: UT SEP 1921 class CC

Hot rolled steel (strips, coils, sheets, plates, slabs)

In commercial qualities and in accordance with DIN, EN, and ASTM standards, black

Further steel products are welcome upon customers’ requests.