PH13-8mo Stainless Steel Strip(UNS S13800, ASTM A693)

With a main component combination of 13% chromium, 8% nickel, and added molybdenum, it can be used as a material for medical devices (implantable) as well as a high-stress component for high-end marine equipment.

Under the ASTM A693 standard, the core value of PH13-8 Mo remains unchanged. The material still needs to maintain a balance between high strength and toughness, corrosion resistance, and consistent processing.

The price of stainless steel strip consists of a base price plus alloy surcharges (Ni, Mo, Al). Due to recent significant fluctuations in material base prices, please contact us online for a specific quote. Also, please note: quotations significantly below market price may indicate substandard Mo, Al content, or purity (P, S).

Your inquiry and our contract must include the following elements:

1. Complete Standard Number: "ASTM A693-XX" (XX represents the latest version year, such as A693-22).

2. Grade and Condition: "Grade 630M (UNS S13800), Condition H1000".

Condition Code (Three options are available; this must be explicitly stated in the contract):

Condition A: Solution annealed. Soft, easy for subsequent cold working.

Condition H1000: Solution annealed, aged at approximately 510°C (950°F) for 4 hours. This is the most commonly used high-strength condition.

Condition H950, H1050, etc.: Solution annealed, aged at approximately 510°C (950°F) for 4 hours. This is the most commonly used high-strength condition.

3. Precise Specifications and Tolerances:

Thickness x Width x Length (roll or sheet).

Tolerances: As specified by standards or special agreements. Negative thickness tolerances are a hidden cost and require attention.

ASTM A693 specifies the range (Grade 630M, UNS S13800).

(Taking the most commonly used H1000 condition as an example) A693 specifies the minimum guaranteed performance values. When purchasing, suppliers should be requested to provide measured values.

• Key Processing Points:

Condition A: Suitable for cold working, such as stamping and bending. Aging treatment is required after processing to achievethe final properties.

Condition H1000: Already in an ultra-high strength state, extremely difficult to perform any forming processes other than grinding and EDM. Purchasing this condition means your parts are essentially already shaped.

• Quality Inspection Process (Your Firewall):

Dimensions and Appearance: Measure the thickness of the PH13-8mo stainless steel strip and inspect for surface defects.

Document Verification: First, check the MTR (Material Test Report) to verify the chemical composition (especially whether Mo and Al meet standards) and measured mechanical properties.

Physical Inspection (Mandatory!):

PMI (Physical Spectroscopic Analysis): On-site sampling inspection using a portable spectrometer is mandatory for each batch arriving. Core objective: Verify Mo content ≥ 2.2%, Al content ≥ 1.0%, and ensure extremely low Mn and Si content (this is a key indicator distinguishing PH13-8 Mo from ordinary stainless steel).

Hardness Testing: A quick and effective initial screening. The hardness in the H1000 condition must fall within the HRC 40-46 range.

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