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Project location: Thailand

Product: 

1. Flow Coupling 4.525"x2.400"x4.9M

　　Grade : 4140-80K

　　Quantity: 4 pieces

2. Flow Coupling 5.000"x2.400"x4.8M

　　Grade : 4145-125K

　　Quantity: 4 pieces

3. Flow Coupling 7.000"x2.563"x4.8M

　　Grade : 4145-120K

　　Quantity: 2 pieces

Flow Coupling 4140-80K

Chemical composition：

C	Si	Mn	P	S	Cu	Ni	Cr	Mo	Di
0.39	0.31	0.92	0.011	0.0031	0.034	0.031	1.003	0.131	5.4

Mechanical Properties：

Yield Strength(Mpa)	Tensile Strength(Mpa)	Elongation(%)	Reduction A(%)
603	722	23	67

Flow Coupling 4145-120K

Chemical composition：

C	Si	Mn	P	S	Cr	Ni	Mo	Cu	Al	Nppm	Hppm	Oppm	SP1
0.46	0.24	1.17	0.009	0.003	1.18	0.23	0.33	0.18	0.024	48.0	0.5	5.5	0.012

Mechanical Properties：

Yield Strength(Mpa)	Tensile Strength(Mpa)	Elongation A (%)	Reduction Z (%)
890	1025	16	54

ETANG has successfully completed the shipment of a batch of coupling products comprising three distinct specifications. Each specification underwent rigorous drift testing in strict accordance with applicable industry standards, and all test results fully comply with the specified requirements, satisfying all delivery criteria.

These three coupling variants are engineered to accommodate diverse operational conditions and connection requirements. Consistently committed to standards-compliant manufacturing and quality assurance through comprehensive testing, ETANG delivers reliable, certified products that meet customer expectations and regulatory requirements.