low price Hot rolled strips for black pipe

Grade

Q195/215/235B/345B/20Mn steel

SGCC DX51D DX53D DX54D

Standard

GB AISI ASTM   BS   DIN   JIS

Thickness

0.05 MM - 3.00 MM

Width

10 MM – 800MM

Zinc Coating

30g/m2 - 275g/m2

Length/weight

Depend on the coil

Inner Diameter

 Ribbon wound=200mm/300mm/406mm

 Oscillated wound=406mm

Tensile Strength

280 – 430Mpa

Technique

Hot rolled/Cold rolled- Galvanized (Zinc coated)

Spangle State

Mini/Regular/Big/Zero spangle

Surface Treatment

Chromate treatment /Chromate-free treatment Untreated Un-oiled/Oiled

Anti-fingerprint/Un-Anti-fingerprint

Coating, Color, Bluing treatment, Heat Treatment

Note: We can produce special specification as per customer request, and we can make the edge smoother of the steel packing strips.

Tolerances

Width

≤31.75mm

                   ± 0.10mm

>31.75mm

±0.13mm

Thickness

≤0.40mm

±0.015mm

>0.40—0.70mm

±0.020mm

>0.70—1.30mm

±0.025mm

Note: The thickness of steel strip does not include the coating or the thickness of the max.

Technical Parameters

Ordinary steel strapping

σb≥65-75kg/mm2(650-750Mpa),

elongation:δ5≥3%-5%

Ordinary steel strapping

σb≥75-85kg/mm2(750-850Mpa),

elongation:δ5≥4%-6%

High quality steel strapping

σb≥85-1000kg/mm2(8501000Mpa),

elongation:δ5≥5-8%