What is the price of 316L stainless steel powder?

316L powder from Chinese manufacturers costs ¥50–80/kg EXW (15–53µm VIGA), with a PS Price Index median of ¥58/kg across 17 verified quotes. Standard 15–53µm powder is ¥55–70/kg at 10–100 kg quantities. Finer 15–45µm costs 10–15% more. Bulk orders (500 kg+) can reach ¥48–58/kg. Approximate USD equivalent: $7–11/kg at current exchange rates.

What PSD should I use for 316L LPBF powder?

Standard LPBF/SLM uses 15–53µm with D50 of 30–35µm. For fine-detail printing with 20–40µm layer thickness, use 15–45µm. Binder jetting requires finer powder (<45µm). DED/LENS uses coarser 53–150µm powder.

Who are the best 316L powder manufacturers in China?

China has 200+ manufacturers producing 316L powder. Leading suppliers use VIGA atomization and provide full certification to ASTM F3184. PowderSight verifies suppliers through factory audits, batch testing, and customer references. Request a quote to get matched with pre-vetted manufacturers.

How many times can 316L powder be reused?

316L powder can typically be reused 15–20+ times with proper handling. After each build, sieve used powder through a 63µm mesh to remove agglomerates and spatter. Monitor oxygen content — replace or blend with virgin powder when O₂ exceeds 500 ppm. 316L has the best recyclability among all AM alloys.

316L Stainless Steel Powder for Additive Manufacturing

Q: Who are the best 316L powder manufacturers in China?

China has 200+ manufacturers producing 316L powder. Leading suppliers use VIGA atomization and provide full certification to ASTM F3184. PowderSight verifies suppliers through factory audits, batch testing, and customer references. Request a quote to get matched with pre-vetted manufacturers.

Q: How many times can 316L powder be reused?

316L powder can typically be reused 15–20+ times with proper handling. After each build, sieve used powder through a 63µm mesh to remove agglomerates and spatter. Monitor oxygen content — replace or blend with virgin powder when O₂ exceeds 500 ppm. 316L has the best recyclability among all AM alloys.

The most widely used metal powder in additive manufacturing. Compare 316L powder prices from verified Chinese factories, understand PSD requirements for LPBF/SLM, and learn what certifications to request before placing an order.

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¥50–80

EXW Price (CNY/kg)

15–53µm

Standard LPBF PSD

VIGA

Production Method

ASTM F3184

Key Standard

1. What Makes 316L the #1 AM Metal Powder?

316L is an austenitic stainless steel with molybdenum addition (2–3%) that dramatically improves corrosion resistance over standard 304L. It is the most commonly used metal powder in additive manufacturing — accounting for approximately 40% of all LPBF powder consumption globally.

✓ Excellent Corrosion Resistance

Molybdenum content resists pitting in chloride environments. Suitable for marine, chemical, and food-grade applications.

✓ Good Weldability

Low carbon (≤0.03%) prevents sensitization during welding. No post-weld heat treatment required for most applications.

✓ Wide Availability

200+ Chinese suppliers produce 316L powder. Competitive pricing and short lead times compared to specialty alloys.

Chemical Composition (ASTM A276 / F3184)

Element	Cr	Ni	Mo	C (max)	Mn (max)	Si (max)	Fe
316L	16.0–18.0%	10.0–14.0%	2.0–3.0%	0.03%	2.0%	1.0%	Balance

2. Mechanical Properties — As-Built vs Heat-Treated

LPBF-printed 316L exhibits significantly higher strength than wrought 316L due to the rapid solidification microstructure, while maintaining good ductility. Heat treatment can be used to balance strength and ductility depending on application requirements.

Condition	UTS (MPa)	Yield (MPa)	Elongation (%)	Hardness (HV)
As-Built (LPBF)	580–680	450–550	25–45%	210–240
Stress Relieved (400°C / 2h)	550–620	380–480	35–50%	190–220
Annealed (1050°C / 1h + quench)	520–580	220–320	50–65%	160–190
Wrought 316L (reference)	485–515	170–205	40–60%	150–170

💡 Key Insight: As-built 316L from LPBF is ~30% stronger than wrought 316L due to fine cellular dislocation structure. For applications requiring maximum ductility (e.g. pressure vessels), anneal at 1050°C. For general engineering, stress relief at 400°C provides a good balance.

3. PSD Specifications — Matching Powder to Your Printer

Technology	Recommended PSD	D10 (µm)	D50 (µm)	D90 (µm)	Layer Thickness
LPBF / SLM (standard)	15–53µm	18–22	30–35	48–55	30–60µm
LPBF (fine detail)	15–45µm	16–20	26–30	40–48	20–40µm
Binder Jetting	<45µm (fine)	5–10	15–25	35–48	50–100µm
DED / LENS	53–150µm	55–65	80–100	130–155	250–1000µm

Key PSD Quality Indicators

✓Flowability (Hall flow): Target <20s/50g for 316L. Good flowability ensures consistent powder spreading and reduces recoater streaking. Chinese VIGA powder typically achieves 15–18s/50g.
✓Apparent Density: 3.8–4.2 g/cm³ for 316L (55–60% of theoretical density). Higher is better — it indicates good packing and spherical morphology.
✓Oxygen Content: Target <500 ppm for standard applications, <300 ppm for high-performance. VIGA 316L from Chinese suppliers typically 300–500 ppm.
✓Satellite Particles: Minimize satellites (small particles fused to larger ones). Good 316L powder should have <5% satellites by image analysis. Request SEM images at 200x magnification.

4. 316L Powder Pricing — Chinese Factory EXW Prices

316L is the most competitively priced AM metal powder due to high production volume and mature supply chain. Based on PS Price Index data (median ¥58/kg for 15–53µm VIGA, 17 verified quotes), Chinese manufacturers offer 30–50% lower pricing than Western suppliers for equivalent quality.

PSD	1–10 kg	10–100 kg	100–500 kg	500 kg+
15–45µm	¥68–85/kg	¥60–75/kg	¥55–68/kg	¥52–62/kg
15–53µm	¥60–80/kg	¥55–70/kg	¥50–62/kg	¥48–58/kg
53–150µm	¥50–65/kg	¥45–55/kg	¥40–50/kg	¥38–45/kg

📊 PS Price Index Data (2026): 316L 15–53µm VIGA powder median price is ¥58/kg across 17 verified quotes (latest: 2026-06-03). Prices are closely tied to LME nickel prices and domestic stainless steel feedstock costs. Current oversupply from Chinese atomization capacity expansion (2024–2026) has kept prices competitive.

What Drives 316L Price Differences?

PSD Range: Finer cuts (15–45µm) cost 10–15% more than standard (15–53µm) due to lower atomization yield.

Certification: Basic CoA included. Full ASTM F3184 certs add ¥5–15/kg. NACE MR-0175 for oil & gas adds ¥10–20/kg.

Recyclability: 316L can be reused 15–20+ times with proper sieving (63µm mesh). This is the best recyclability among AM alloys — major TCO advantage.

Oxygen Control: Standard VIGA: 300–500 ppm O₂. Premium argon-backfilled VIGA: 200–300 ppm. Lower oxygen = better toughness, +¥5–10/kg.

5. Common Applications & Industries

🏭 Industrial Tooling

Conformal cooling inserts, injection mold cores. 316L's thermal conductivity and corrosion resistance make it ideal for tooling exposed to cooling water.

⚓ Marine & Offshore

Propellers, pump housings, valve bodies. 316L's pitting resistance in seawater (PREN ≥24) is sufficient for most marine applications.

🔬 Chemical Processing

Heat exchangers, reactor internals, filter housings. Resists dilute sulfuric, phosphoric, and organic acids at moderate temperatures.

🍽 Food & Pharma

FDA-compliant food contact surfaces. Easy to electropolish to Ra <0.4µm for hygienic applications. 316L meets 3-A Sanitary Standards.

🚀 Aerospace (secondary)

Brackets, ducts, non-structural housings. Where titanium is overkill but corrosion resistance and moderate strength are needed.

🏥 Medical Devices

Surgical guides, temporary implants, instrument handles. 316L is biocompatible per ISO 10993 but not for permanent implants (use Ti or CoCr).

6. Certifications to Request

✓ASTM F3184 — Standard specification for 316L powder for additive manufacturing. This is the most important cert. Covers chemistry, PSD, and impurity limits for AM applications.
✓ASTM A276 — Standard specification for stainless steel bars and shapes. Often referenced for wrought 316L chemistry — ensure the powder cert references F3184 not just A276.
✓ISO 5832-1 — Implants for surgery — stainless steel. Required for any medical device application. Includes stricter limits on trace elements.
✓NACE MR-0175 / ISO 15156 — Materials for H₂S service in oil & gas. Required for downhole and subsea components exposed to sour gas.
✓EN 10204 Type 3.1 / 3.2 — European material certification. Type 3.1 (mill certificate) is standard; Type 3.2 (third-party witnessed) is required for pressure equipment (PED 2014/68/EU).

7. How to Evaluate a 316L Powder Supplier

1.Request a sample batch (1–2 kg) before committing. Test print on your machine. 316L is forgiving, but supplier-to-supplier variation in PSD and flowability affects print consistency. A sample costs ¥60–160 and saves thousands in failed production runs.

2.Verify atomization source. Chinese suppliers source 316L bar/rod from steel mills (Baosteel, TISCO, etc.). Ask for the mill certificate of the feedstock — it traces the material provenance.

3.Check batch-to-batch consistency. Request PSD overlay charts for 3 consecutive batches. D50 should vary <3µm between batches. Widely varying PSD indicates poor process control.

4.Ask about recycling policy. Some suppliers offer a buy-back program for used powder or a discount when you return sieved oversize. This can reduce your total cost by 15–20% over a year.

5.Visit the factory if possible. For orders above 500 kg/year, a factory visit to inspect atomization equipment, QA lab, and packaging is worth the trip. PowderSight can help arrange visits to verified suppliers.

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