JIS G3445 Mechanical Tubes
JIS G3445 Mechanical Tubes
JIS G3445 Mechanical Tubes

JIS G3445 Mechanical Tubes

JIS G3445 carbon steel pipes for mechanical structures are widely used in nuclear installations, natural gas, petrochemical, shipbuilding and boiler industries.

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Product Introduction

Mechanical pipes have many advantages such as high strength, high pressure resistance, easy installation, low cost, and long service life. They are widely used in long-distance pipelines for oil, natural gas, coal gas, water, medicine, health, products, etc. and in petrochemical enterprise process pipe networks.

JIS G3445 Mechanical Steel Pipe Specification

Size	O.D	100-750mm
	W.T	2-50mm
	Length	1-12m , customized
Standard		AISI,ASTM,GB,DIN,BS,JIS
Inspection		X-ray inspection, manual ultrasopic inspection,surface inspection,hydraulic testing
Technique		Hot Rolled
Section Shape		Round
Main Market		Southeast Asia, Middle East, Australia,USA,South America,Africa
Productivity		5000 Tons/month
Packing		Standard bundle package Beveled end or as per request
Surface Treatment		Black Painted, PE Coated, Galvanized or Customized all available
Date of Delivery		According to The Specifications And the Quantities Of Each Contract,Time Start To Begin When We confirm the Date or L/C
Method Of Delivery		Terms According To the for International Trading
Remarks		1.Payment Terms T/T, L/C,West Union
		2.Trade Term:FOB/CFR/CIF , discussible
		3.Minimum Quantity of Order: 1 Tons
		4.Delivery Time:8-14days after receipt of deposit

Chemical Composition

Standard	Steel Grade	Chemical Composition %
		C	Si	Mn	P	S
JIS G3445	STKM11A	≤0.12	≤0.35	≤0.60	≤0.040	≤0.040
	STKM12A	≤0.20	≤0.35	≤0.60	≤0.040	≤0.040
	STKM12B
	STKM12C
	STKM13A	≤0.25	≤0.35	0.30-0.90	≤0.040	≤0.040
	STKM13B
	STKM13C
	STKM14A	≤0.30	≤0.35	0.30-1.00	≤0.040	≤0.040
	STKM14B
	STKM14C

Mechanical Properties

Standard	Steel Grade	Mechanical Properties
Standard	Steel Grade	Tensile Strength MPa	Yield Strength MPa	Elongation %
JIS G3445	STKM11A	≥295	/	≥35
	STKM12A	≥345	≥175	≥35
	STKM12B	≥390	≥275	≥25
	STKM12C	≥470	≥355	≥20
	STKM13A	≥375	≥215	≥30
	STKM13B	≥440	≥305	≥20
	STKM13C	≥510	≥380	≥15
	STKM14A	≥410	≥245	≥25
	STKM14B	≥500	≥355	≥15
	STKM14C	≥550	≥410	≥15

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