GB-T-4171-Q355NH

GB/T 4171 Q355NH High strength weathering Steel Plate

GB/T 4171 Q355NH specification:
Thickness: 2mm-300mm
Width: 1000mm-4200mm
Length: 3000mm-18000mm

Main chemical elements composition of Q355NH:

Main chemical elements composition of Q355NH

C

Si

Mn

P

S

Cu

Ni

Cr

0.16

0.50

0.50-1.50

0.030

0.030

0.25-0.55

0.65

0.40-0.80

Mechanical property for Q355NH steel:

Thickness (mm)

Q355NH

≤ 16

> 16 ≤ 40

> 40 ≤ 60

>60

Yield strength (≥Mpa)

355

345

335

325

Tensile strength (Mpa)

490-630

GB/T 4171 Q355NH Application:
Q355NH atmospheric corrosion structural steel plate is widely used to building shipping containers and offshore containers, such as Schedule waste storage container, Weather Shelters, Tool boxes, Workshop containers and so on.

Technical Requirements & Additional Services:
♦ High tension test
♦ Low temperature impacting test
♦ Simulate post-welded heat treatment (PWHT)
♦ Issued Original Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting, Cutting and welding as per end user’s demands
♦ G101 Guide for estimating atmospheric corrosion resistance of low alloy steels

We supply Mild Steel Plate. For Mild Steel Plate we always source from China's number one state mills for Hot Rolled Steel such as Tianjin Iron & Steel and Ma Steel. These two mills produce excellent S235JR and S355JR Hot Rolled Steel Plate.

Hot Rolled Coil

Typical size range:

1.5 – 12mm Thick

1250 – 2500mm Wide

Available specifications:

EN 10025-2004

JIS G3101-2004

ASTM A36-05

GB/T 700-2006

Steel grades:S235JR; S355JR; A36; SS400; SS490; Q235(A/B/C/D); Q345(A/B/C/D/E); Q390; Q420
Steel Mills:

Angang Steel

Baosteel

Benxi Iron & Steel

LY Steel

Masteel

Shagang Group

Shenheng Steel

WISCO

Email: [email protected]

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