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GB 713 Q345R steel

Description: BBN steel is a well-known steel manufacturer and service provider in China, GB 713 Q345R steel is our superior product, we are favored by customers with high quality, competitive price and excellent service

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Lead Time:

Quantity(Metric Tons)	1 - 10	10 - 50	>50
Est. Time(days)	5	10	Negotiable

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Product Introduction

GB 713 Q345R steel is the yield strength of steel for 340MPa special plates for pressure vessels, it has good mechanical properties and process performance. Phosphorus, sulfur content slightly below the low alloy high strength steel Q345 (16Mn) steel, with the exception of tensile strength, elongation than Q345 (16Mn) steel increased, but also require the toughness.

GB 713 Q345R steel is currently the most widely used, and the largest amount of special steel for pressure vessels.

GB 713 Q345R steel Chemical Composition:

Main chemical elements composition of Q345R
C	Si	Mn	P	S	Alt (min.)
0.20	0.55	1.20-1.60	0.025	0.015	0.020

GB 713 Q345R steel Mechanical Property:

Thickness (mm)
Q345R	> 3 ≤ 16	> 16 ≤ 36	> 36 ≤ 60	>60 ≤ 100	>100 ≤ 150	>150
Yield strength (≥Mpa)	345	325	315	305	285	265
Tensile strength (Mpa)	510-640	500-630	490-620		480-610	470-600

Boiler steel plate Q345R is the most used materials to build specified elevated boilers and pressure vessels.

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GB 713 Q345R steel

Product Introduction

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