Ph13-8Mo AMS 5629 Forged Round Bars For Turkey Clients

These days, we produce some Ph13-8Mo  13-8 PH,Ph 13/8 Mo Forged Round bars as per AMS 5629

FOllowing is technical details of ph13-8mo round bars as per standard of AMS 5629

PI Number	PO2425/00058
PI DATE	2024-04-30
Production time	60 days from date of may 6th
Production Type	Forged, Solution Annealed Treatment rough machined
SIze	OD:440MM(0,+2MM), Length 830MM(0,+2MM)
Heat treatment Requirement	Solution Annealed As per AMS 5629
Main point	material, size, roughness, mark, packing
Material Certificate	EN10204-3.1 Certificate
Size checking	Normal inspect, size and mark, 3rd party inspection by buyer cost
Mark	As per Drawing of PO instructions
Packing	Export wooden case

一.Requirement of Parts:

1）Marks ：As per clients requirement

2）The requirement of material：

A)Melting：Steel multiple melted using vacuum consumable electrode remelting

Inspect chemical compostion as per ASTM A751, the reqquirement of chemical compostion is

as follows:

Carbon -- 0.05% max

Manganese -- 0.10% max Silicon -- 0.10% max

Phosphorus -- 0.010% max

Sulfur -- 0.008% max

Chromium 12.25-13.25%

Nickel 7.50-8.50%

Molybdenum 2.00-2.50% Aluminum 0.90-1.35%

Nitrogen -- 0.010% max

Macrostructure test
Visual examination of transverse full cross-sections from bars, billets, extrusions, and stock for forging, flash welded rings, or extrusions, etched in hot hydrochloric acid in accordance with ASTM A604, shall show no pipe or cracks. Porosity, segregation,     inclusions,    and other     imperfections   for      product     81     square     inches     (523     cm2)     and     under in     nominal cross-sectional area shall  be no worse than the  macrographs of ASTM A604 shown in Table 2. For product greater than 81 square  inches (523 cm2) in cross sectional area, the  macrostructure shall meet the  requirements for product  under 81 square  inches (523 cm2) and under in nominal cross-sectional area or the criteria shall be approved by the cognizant engineering authority.

Table 2 - Macrostructure limits

Class	Condition	Severity
1	Freckles	A
2	White Spots	A
3	Radial Segregation	A
4	Ring Pattern	B

Microstructure

The product shall contain no more than the percent free ferrite as specified in Class C - 2.0% max., free ferrite.   The amount of free ferrite shall be determined in accordance with AMS2315.

Average Grain Size

Shall be ASTM No. 5 or finer for product up to 3.00 inches (76.2 mm) in nominal diameter, least distance between parallel sides and shall beASTM No. 4 or finer for product 3.00 inches (76.2 mm) and over in nominal diameter, or least distance between parallel sides, determined in accordance with ASTM E112.

Heat treatment

solution heat treated in accordance with AMS2761, by heating to 1700 °F ± 25 °F (927 °C ± 14 °C), holding  at heat  for a time commensurate with section thickness,   heating  equipment, and procedure used, and cooling to below 60 °F (16 °C).

Hardness after solution treatment Shall be not higher than 363 HBW

Ultrasonic testing For Bars:

Ultrasonic testing certificates of the personnel who will perform and control the test, Non-

destructive testing  personnel  performing the  ultrasonic examination  must be  level-3 certified according to NAS 410 or any of the EN ISO 9712 standards
Raw materials shall be inspected according to EN10228-3 Class 4 or EN 10308 Class 4 and the ultrasonic test report shall be prepared according to these standards.

The testing pieces that leave for clients to test is in flat bars in following size 60x60mm with a thickness of 10 mm thckness
We should s Certificate that we supply：Inspection Certificate as per EN10204-3.1,Heat tretament chart, Size test report, UT test Report
Delivey place：FOB shanghai