ASTM A131 DH40 steel

Description: BBN steel is a well-known steel manufacturer and service provider in China, ASTM A131 DH40 steel is our superior product, we are favored by customers with high quality, competitive price and excellent service

Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

Lead Time:

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

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Product Introduction

ASTM A131 DH40 Size:：
Thickness:2mm-350mm
Width:1200mm-4200mm
Length:3000mm-18000mm

Surface Treatment:Shot blasting and painting or coated.

ASTM A131 DH40 Chemical Composition Max % for production analysis:

A131 DH40 high Strength Chemical Composition
Grade	The Element Max (%)
Grade	C	Si	Mn	P	S	Al	N
A131 DH40	0.18	0.1-0.50	0.90-1.6	0.035	0.035	>0.015
	Nb	V	Ti	Cu	Cr	Ni	Mo
	0.02-0.05	0.05-0.10	0.02	0.35	0.2	0.4	0.08

Crack Sensitivity: Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

ASTM A131 DH40 high strength property:

Grade		Mechanical Property			Charpy V Impact Test
Grade	Thickness	Yield	Tensile	Elongation	Degree	Energy 1	Energy 2
A131 DH40	mm	Min Mpa	Mpa	Min %	-20	J	J
	t≤50	390	510-650	22%		27	41
	50＜t≤70	390	510-650	22%		-	-
	70＜t≤100	390	510-650	22%		-	-
Note: Energy 1 is transverse impact test, Energy 2 is longitudinal

ASTM A131 DH40 Application:
Main application of A131 Grade DH40 shipbuilding steel plate is building decks of ships,vessels and boats,other normal repairing works in shipyards.